Coming Mars 2001 (05)

COMING 2001 MARS (05)


Ephemeris for Observations of Mars in 2001 ( II )

Akinori NISHITA


    The following is an Ephemeris useful for the observation of Mars in January, February and March 2001, and makes a sequel to the Table in #236 p2821. The data are listed for every day at 00:00 GMT (not TDT!).

  LCM and De stand for the longitude and the latitude of the sub-Earth point, Ls for the areocentric solar longitude, diam for the apparent diameter of the disk in arc sec, and i for the phase angle. We use i to indicate how far the noon line is separated from the CM (not exactly however). The phase is given by the formula ( 1+cos i )/2.


                   Date (00:00GMT)         LCM         De          Ls       diam      i 
               1   January    2001       268.87°W     18.5°N      96.9°     5.2"    32.9°
               2   January    2001       259.20°W     18.4°N      97.4      5.3     33.1
               3   January    2001       249.52°W     18.2°N      97.8      5.3     33.2
               4   January    2001       239.86°W     18.0°N      98.3      5.3     33.3
               5   January    2001       230.19°W     17.8°N      98.7      5.4     33.5
                                 
               6   January    2001       220.53°W     17.6°N      99.2      5.4     33.6
               7   January    2001       210.86°W     17.4°N      99.6      5.4     33.7
               8   January    2001       201.20°W     17.2°N     100.1      5.4     33.9
               9   January    2001       191.55°W     17.0°N     100.5      5.5     34.0
              10   January    2001       181.89°W     16.8°N     101.0      5.5     34.2
                                                                                  
              11   January    2001       172.24°W     16.6°N     101.4      5.5     34.3
              12   January    2001       162.59°W     16.4°N     101.9      5.6     34.4
              13   January    2001       152.94°W     16.2°N     102.3      5.6     34.6
              14   January    2001       143.29°W     16.0°N     102.8      5.6     34.7
              15   January    2001       133.65°W     15.8°N     103.2      5.7     34.8
                                                                                  
              16   January    2001       124.00°W     15.6°N     103.7      5.7     34.9
              17   January    2001       114.36°W     15.4°N     104.1      5.7     35.0
              18   January    2001       104.73°W     15.2°N     104.6      5.8     35.1
              19   January    2001        95.09°W     15.0°N     105.0      5.8     35.2
              20   January    2001        85.46°W     14.8°N     105.5      5.8     35.3
                                                                                  
              21   January    2001        75.83°W     14.6°N     105.9      5.9     35.5
              22   January    2001        66.20°W     14.4°N     106.4      5.9     35.6
              23   January    2001        56.57°W     14.2°N     106.8      6.0     35.7
              24   January    2001        46.95°W     14.0°N     107.3      6.0     35.8
              25   January    2001        37.32°W     13.7°N     107.7      6.0     35.9
                                                                                  
              26   January    2001        27.70°W     13.5°N     108.2      6.1     36.0
              27   January    2001        18.09°W     13.3°N     108.6      6.1     36.1
              28   January    2001         8.47°W     13.1°N     109.1      6.2     36.2
              29   January    2001       358.86°W     12.9°N     109.5      6.2     36.3
              30   January    2001       349.25°W     12.7°N     110.0      6.2     36.4
                                                                                  
              31   January    2001       339.64°W     12.5°N     110.5      6.3     36.5
                                                                                  
               1   February   2001       330.03°W     12.3°N     110.9      6.3     36.6
               2   February   2001       320.43°W     12.0°N     111.4      6.4     36.7
               3   February   2001       310.83°W     11.8°N     111.8      6.4     36.7
               4   February   2001       301.23°W     11.6°N     112.3      6.4     36.8
               5   February   2001       291.63°W     11.4°N     112.8      6.5     36.9
                                                                                  
               6   February   2001       282.03°W     11.2°N     113.2      6.5     37.0
               7   February   2001       272.44°W     11.0°N     113.7      6.6     37.1
               8   February   2001       262.85°W     10.8°N     114.1      6.6     37.2
               9   February   2001       253.26°W     10.5°N     114.6      6.7     37.3
              10   February   2001       243.68°W     10.3°N     115.1      6.7     37.3
                                                                                  
              11   February   2001       234.09°W     10.1°N     115.5      6.8     37.4
              12   February   2001       224.51°W      9.9°N     116.0      6.8     37.4
              13   February   2001       214.93°W      9.7°N     116.4      6.9     37.5
              14   February   2001       205.36°W      9.5°N     116.9      6.9     37.6
              15   February   2001       195.78°W      9.2°N     117.4      7.0     37.6
                                                                                  
              16   February   2001       186.21°W      9.0°N     117.8      7.0     37.7
              17   February   2001       176.64°W      8.8°N     118.3      7.1     37.8
              18   February   2001       167.08°W      8.6°N     118.8      7.1     37.8
              19   February   2001       157.51°W      8.4°N     119.2      7.2     37.9
              20   February   2001       147.95°W      8.2°N     119.7      7.3     37.9
                                                                                  
              21   February   2001       138.39°W      8.0°N     120.2      7.3     38.0
              22   February   2001       128.83°W      7.8°N     120.6      7.4     38.0
              23   February   2001       119.28°W      7.5°N     121.1      7.4     38.1
              24   February   2001       109.73°W      7.3°N     121.6      7.5     38.1
              25   February   2001       100.18°W      7.1°N     122.1      7.5     38.1
                                                                                  
              26   February   2001        90.63°W      6.9°N     122.5      7.6     38.2
              27   February   2001        81.09°W      6.7°N     123.0      7.7     38.2
              28   February   2001        71.55°W      6.5°N     123.5      7.7     38.2
                                 
               1   March      2001        62.01°W      6.3°N     123.9      7.8     38.2
               2   March      2001        52.48°W      6.1°N     124.4      7.9     38.2
               3   March      2001        42.94°W      5.9°N     124.9      7.9     38.2
               4   March      2001        33.41°W      5.7°N     125.4      8.0     38.2
               5   March      2001        23.89°W      5.5°N     125.8      8.1     38.2
                                 
               6   March      2001        14.36°W      5.3°N     126.3      8.1     38.2
               7   March      2001         4.84°W      5.1°N     126.8      8.2     38.2
               8   March      2001       355.32°W      4.9°N     127.3      8.3     38.2
               9   March      2001       345.81°W      4.7°N     127.7      8.4     38.2
              10   March      2001       336.30°W      4.5°N     128.2      8.4     38.2
                                 
              11   March      2001       326.79°W      4.3°N     128.7      8.5     38.1
              12   March      2001       317.28°W      4.1°N     129.2      8.6     38.1
              13   March      2001       307.78°W      3.9°N     129.7      8.7     38.1
              14   March      2001       298.28°W      3.8°N     130.1      8.7     38.1
              15   March      2001       288.78°W      3.6°N     130.6      8.8     38.0
                                 
              16   March      2001       279.29°W      3.4°N     131.1      8.9     38.0
              17   March      2001       269.80°W      3.2°N     131.6      9.0     38.0
              18   March      2001       260.31°W      3.0°N     132.1      9.1     37.9
              19   March      2001       250.83°W      2.8°N     132.6      9.1     37.9
              20   March      2001       241.35°W      2.7°N     133.0      9.2     37.8
                                 
              21   March      2001       231.88°W      2.5°N     133.5      9.3     37.7
              22   March      2001       222.41°W      2.3°N     134.0      9.4     37.7
              23   March      2001       212.94°W      2.2°N     134.5      9.5     37.6
              24   March      2001       203.47°W      2.0°N     135.0      9.6     37.5
              25   March      2001       194.02°W      1.8°N     135.5      9.7     37.4
                                 
              26   March      2001       184.56°W      1.7°N     136.0      9.8     37.4
              27   March      2001       175.11°W      1.5°N     136.5      9.9     37.3
              28   March      2001       165.66°W      1.3°N     137.0     10.0     37.2
              29   March      2001       156.22°W      1.2°N     137.4     10.1     37.1
              30   March      2001       146.78°W      1.0°N     137.9     10.2     37.0
                                 
              31   March      2001       137.35°W      0.9°N     138.4     10.3     36.8
                                 
               1   April      2001       127.92°W      0.7°N     138.9     10.4     36.7