Coming Mars 2001 (02)

COMING 2001 MARS (02)


Ephemeris for Observations of Mars in 2001 ( I )

Akinori NISHITA


    The 2001 season of Mars is now near at hand so that we start to carry necessary elements of the ephemeris for the physical observation of Mars in 2001. This is the first of the series and shows the data from 1 November to 31 December in 2000. 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   November    2000      142.54°W     25.6°N      70.1°    4.1"    22.9°
               2   November    2000      132.76°W     25.6°N      70.6      4.1     23.1
               3   November    2000      122.99°W     25.5°N      71.0      4.1     23.2
               4   November    2000      113.21°W     25.5°N      71.4      4.1     23.4
               5   November    2000      103.44°W     25.4°N      71.9      4.1     23.6

               6   November    2000       93.67°W     25.4°N      72.3      4.2     23.8
               7   November    2000       83.90°W     25.4°N      72.7      4.2     24.0
               8   November    2000       74.12°W     25.3°N      73.2      4.2     24.2
               9   November    2000       64.35°W     25.3°N      73.6      4.2     24.4
              10   November    2000       54.59°W     25.2°N      74.1      4.2     24.6

              11   November    2000       44.82°W     25.1°N      74.5      4.2     24.7
              12   November    2000       35.05°W     25.1°N      74.9      4.2     24.9
              13   November    2000       25.29°W     25.0°N      75.4      4.3     25.1
              14   November    2000       15.52°W     24.9°N      75.8      4.3     25.3
              15   November    2000        5.76°W     24.9°N      76.2      4.3     25.4

              16   November    2000      356.00°W     24.8°N      76.7      4.3     25.6
              17   November    2000      346.24°W     24.7°N      77.1      4.3     25.8
              18   November    2000      336.48°W     24.6°N      77.5      4.3     26.0
              19   November    2000      326.73°W     24.6°N      78.0      4.3     26.1
              20   November    2000      316.97°W     24.5°N      78.4      4.4     26.3

              21   November    2000      310.22°W     24.4°N      78.9      4.4     26.5
              22   November    2000      297.46°W     24.3°N      79.3      4.4     26.7
              23   November    2000      287.71°W     24.2°N      79.7      4.4     26.8
              24   November    2000      277.96°W     24.1°N      80.2      4.4     27.0
              25   November    2000      268.21°W     24.0°N      80.6      4.4     27.2

              26   November    2000      258.47°W     23.9°N      81.0      4.5     27.3
              27   November    2000      248.72°W     23.8°N      81.5      4.5     27.5
              28   November    2000      238.98°W     23.7°N      81.9      4.5     27.6
              29   November    2000      229.24°W     23.6°N      82.4      4.5     27.8
              30   November    2000      219.50°W     23.4°N      82.8      4.5     28.0


               1   December    2000      209.76°W     23.3°N      83.2      4.5     28.1
               2   December    2000      200.03°W     23.2°N      83.7      4.6     28.3
               3   December    2000      190.29°W     23.1°N      84.1      4.6     28.5
               4   December    2000      180.56°W     23.0°N      84.6      4.6     28.7
               5   December    2000      170.83°W     22.8°N      85.0      4.6     28.8

               6   December    2000      161.10°W     22.7°N      85.4      4.6     29.0
               7   December    2000      151.38°W     22.6°N      85.9      4.7     29.2
               8   December    2000      141.65°W     22.4°N      86.3      4.7     29.3
               9   December    2000      131.93°W     22.3°N      86.8      4.7     29.5
              10   December    2000      122.21°W     22.2°N      87.2      4.7     29.6

              11   December    2000      112.49°W     22.0°N      87.6      4.7     29.8
              12   December    2000      102.77°W     21.9°N      88.1      4.8     29.9
              13   December    2000       93.06°W     21.7°N      88.5      4.8     30.1
              14   December    2000       83.35°W     21.6°N      89.0      4.8     30.2
              15   December    2000       73.64°W     21.4°N      89.4      4.8     30.4

              16   December    2000       63.93°W     21.3°N      89.8      4.8     30.6
              17   December    2000       54.22°W     21.1°N      90.3      4.9     30.7
              18   December    2000       44.52°W     21.0°N      90.7      4.9     30.9
              19   December    2000       34.81°W     20.8°N      91.2      4.9     31.1
              20   December    2000       25.11°W     20.6°N      91.6      4.9     31.2

              21   December    2000       15.41°W     20.5°N      92.0      5.0     31.4
              22   December    2000        5.72°W     20.3°N      92.5      5.0     31.5
              23   December    2000      356.02°W     20.1°N      92.9      5.0     31.7
              24   December    2000      346.33°W     20.0°N      93.4      5.0     31.8
              25   December    2000      336.64°W     19.8°N      93.8      5.1     32.0

              26   December    2000      326.95°W     19.6°N      94.3      5.1     32.1
              27   December    2000      317.26°W     19.4°N      94.7      5.1     32.2
              28   December    2000      307.58°W     19.3°N      95.2      5.1     32.4
              29   December    2000      297.90°W     19.1°N      95.6      5.2     32.5
              30   December    2000      288.22°W     18.9°N      96.0      5.2     32.6

              31   December    2000      278.54°W     18.7°N      96.5      5.2     32.8


               1   January     2000      268.87°W     18.5°N      96.9      5.2     32.9
               2   January     2000      259.20°W     18.4°N      97.4      5.3     33.1
               3   January     2000      249.52°W     18.2°N      97.8      5.3     33.2