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P/2001 R1 (LONEOS)

Orbital Elements

The following orbital elements are taken from MPC 54169:
P/2001 R1 (LONEOS)
Epoch 2008 Aug. 2.0 TT = JDT 2454680.5
T 2008 Aug. 5.1808 TT                                   MPC
q   1.345008             (2000.0)            P               Q
n   0.1529054      Peri.   24.9621      +0.4978592      -0.8643672
a   3.463545       Node    35.3006      +0.7737272      +0.4058343
e   0.611667       Incl.    7.0326      +0.3917683      +0.2969308
P   6.45
From 114 observations 2001 Aug. 19-2002 Mar. 11, mean residual 0".8.
Elements are also available for the current standard epoch:
P/2001 R1 (LONEOS)
Epoch 2008 May 14.0 TT = JDT 2454600.5
T 2008 Aug. 5.1810 TT                                   MPC
q   1.345014             (2000.0)            P               Q
n   0.1529215      Peri.   24.9617      +0.4978641      -0.8643643
a   3.463301       Node    35.3006      +0.7737248      +0.4058383
e   0.611638       Incl.    7.0326      +0.3917669      +0.2969338
P   6.45
An explanation of the orbital elements is available.

These orbital elements are also available in forms suitable for loading into a number of popular planetarium-type software programs.


Ephemeris

The following ephemeris is at intervals of five days. A daily ephemeris covering the same time interval is also available.

Personalized ephemerides for this (and other) objects may be generated using the Minor Planet & Comet Ephemeris Service.

Recent magnitude estimates for this comet (as reported to the ICQ) may be available.

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2008 06 13    02 51.54   +15 07.7    2.150    1.476    37.3    24.6  17.4
2008 06 18    03 07.76   +16 33.6    2.115    1.454    37.9    25.4  17.3
2008 06 23    03 24.44   +17 56.0    2.082    1.434    38.5    26.2  17.2
2008 06 28    03 41.56   +19 14.1    2.052    1.415    39.0    26.9  17.1
2008 07 03    03 59.11   +20 27.2    2.025    1.398    39.5    27.5  17.0
2008 07 08    04 17.05   +21 34.3    2.000    1.384    39.9    28.1  16.9
2008 07 13    04 35.34   +22 34.7    1.978    1.372    40.3    28.7  16.9
2008 07 18    04 53.93   +23 27.8    1.959    1.361    40.8    29.2  16.8
2008 07 23    05 12.76   +24 13.0    1.942    1.354    41.2    29.6  16.8
2008 07 28    05 31.75   +24 49.9    1.927    1.348    41.6    30.0  16.7
2008 08 02    05 50.82   +25 18.1    1.914    1.346    42.1    30.4  16.7
2008 08 07    06 09.87   +25 37.5    1.904    1.345    42.6    30.7  16.7
2008 08 12    06 28.82   +25 48.1    1.895    1.347    43.1    30.9  16.7
2008 08 17    06 47.57   +25 50.2    1.889    1.352    43.7    31.2  16.7
2008 08 22    07 06.06   +25 44.0    1.883    1.359    44.4    31.4  16.7
2008 08 27    07 24.19   +25 30.2    1.879    1.368    45.1    31.6  16.7
2008 09 01    07 41.90   +25 09.2    1.876    1.380    46.0    31.7  16.8
2008 09 06    07 59.12   +24 41.8    1.873    1.394    46.9    31.9  16.8
2008 09 11    08 15.83   +24 08.8    1.871    1.410    47.9    32.0  16.9
2008 09 16    08 31.97   +23 31.0    1.869    1.428    49.1    32.1  16.9
2008 09 21    08 47.53   +22 49.0    1.867    1.448    50.3    32.2  17.0
2008 09 26    09 02.50   +22 03.9    1.864    1.470    51.7    32.3  17.0
2008 10 01    09 16.86   +21 16.2    1.861    1.493    53.1    32.4  17.1
2008 10 06    09 30.61   +20 26.8    1.857    1.518    54.7    32.5  17.2
2008 10 11    09 43.74   +19 36.3    1.853    1.544    56.5    32.6  17.2
2008 10 16    09 56.27   +18 45.5    1.847    1.572    58.3    32.7  17.3
2008 10 21    10 08.19   +17 54.7    1.839    1.600    60.3    32.7  17.4
2008 10 26    10 19.53   +17 04.7    1.831    1.630    62.5    32.7  17.4
2008 10 31    10 30.26   +16 16.0    1.820    1.661    64.8    32.7  17.5
2008 11 05    10 40.40   +15 29.0    1.809    1.692    67.2    32.7  17.6
2008 11 10    10 49.94   +14 44.2    1.795    1.724    69.8    32.6  17.6
2008 11 15    10 58.88   +14 01.9    1.780    1.757    72.5    32.5  17.7
2008 11 20    11 07.21   +13 22.5    1.763    1.790    75.4    32.3  17.8
2008 11 25    11 14.93   +12 46.4    1.745    1.824    78.4    32.0  17.8
2008 11 30    11 22.00   +12 14.0    1.725    1.858    81.6    31.7  17.9
2008 12 05    11 28.42   +11 45.5    1.703    1.893    85.0    31.2  17.9
2008 12 10    11 34.15   +11 21.2    1.681    1.927    88.6    30.7  18.0
2008 12 15    11 39.18   +11 01.3    1.657    1.963    92.4    30.1  18.0
2008 12 20    11 43.48   +10 46.0    1.633    1.998    96.4    29.3  18.1
2008 12 25    11 47.00   +10 35.7    1.609    2.033   100.5    28.4  18.1
2008 12 30    11 49.72   +10 30.4    1.585    2.069   104.9    27.3  18.2
2009 01 04    11 51.59   +10 30.2    1.561    2.105   109.5    26.1  18.2
2009 01 09    11 52.61   +10 35.0    1.538    2.140   114.3    24.7  18.2
2009 01 14    11 52.75   +10 44.7    1.518    2.176   119.4    23.2  18.3
2009 01 19    11 52.01   +10 59.0    1.499    2.212   124.6    21.5  18.3
2009 01 24    11 50.38   +11 17.6    1.484    2.247   130.1    19.6  18.4
2009 01 29    11 47.90   +11 40.0    1.472    2.283   135.7    17.5  18.4
2009 02 03    11 44.61   +12 05.2    1.465    2.319   141.5    15.3  18.5
2009 02 08    11 40.61   +12 32.5    1.462    2.354   147.4    13.0  18.5
2009 02 13    11 36.00   +13 00.7    1.466    2.390   153.3    10.7  18.6
2009 02 18    11 30.91   +13 28.9    1.476    2.425   159.2     8.3  18.7
2009 02 23    11 25.48   +13 56.0    1.492    2.460   164.7     6.1  18.8
2009 02 28    11 19.89   +14 21.0    1.515    2.495   169.2     4.3  18.9
2009 03 05    11 14.31   +14 42.9    1.546    2.530   170.9     3.5  19.0
2009 03 10    11 08.91   +15 01.0    1.583    2.564   168.8     4.3  19.1
2009 03 15    11 03.82   +15 15.1    1.628    2.599   164.3     6.0  19.2
2009 03 20    10 59.16   +15 24.7    1.679    2.633   159.0     7.8  19.3
2009 03 25    10 55.04   +15 29.9    1.737    2.667   153.6     9.6  19.5
2009 03 30    10 51.51   +15 30.8    1.801    2.701   148.2    11.2  19.6
2009 04 04    10 48.62   +15 27.5    1.871    2.735   142.8    12.8  19.7
2009 04 09    10 46.40   +15 20.3    1.945    2.768   137.6    14.1  19.9
2009 04 14    10 44.82   +15 09.6    2.025    2.802   132.5    15.3  20.0
2009 04 19    10 43.88   +14 55.7    2.108    2.835   127.6    16.3  20.1
2009 04 24    10 43.54   +14 38.9    2.196    2.868   122.8    17.1  20.3
2009 04 29    10 43.78   +14 19.5    2.286    2.900   118.2    17.8  20.4
2009 05 04    10 44.56   +13 57.8    2.379    2.933   113.7    18.4  20.6
2009 05 09    10 45.83   +13 34.0    2.474    2.965   109.3    18.7  20.7
2009 05 14    10 47.54   +13 08.4    2.572    2.997   105.0    19.0  20.8
2009 05 19    10 49.67   +12 41.1    2.670    3.029   100.9    19.1  20.9
2009 05 24    10 52.16   +12 12.4    2.770    3.060    96.8    19.2  21.1
2009 05 29    10 55.00   +11 42.3    2.870    3.092    92.9    19.1  21.2
2009 06 03    10 58.13   +11 11.0    2.971    3.123    89.0    19.0  21.3
2009 06 08    11 01.54   +10 38.7    3.071    3.154    85.2    18.7  21.4
2009 06 13    11 05.19   +10 05.5    3.172    3.184    81.5    18.4  21.5
2009 06 18    11 09.05   +09 31.4    3.271    3.214    77.8    18.0  21.6
2009 06 23    11 13.10   +08 56.5    3.370    3.245    74.2    17.5  21.7
2009 06 28    11 17.33   +08 21.0    3.468    3.275    70.6    17.0  21.9
2009 07 03    11 21.72   +07 44.9    3.564    3.304    67.1    16.5  22.0
2009 07 08    11 26.23   +07 08.3    3.658    3.334    63.6    15.9  22.0
2009 07 13    11 30.87   +06 31.2    3.751    3.363    60.2    15.2  22.1
2009 07 18    11 35.61   +05 53.8    3.841    3.392    56.7    14.5  22.2

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