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Asteroid General Data
General information
| Preliminary designation | 2021 RP2
| | Group | Apollo
| | Absolute magnitude | 30.26
| | Approximate diameter (m) | 2
| | Approximate mass (kg) | 2.40·104
| | Number of observations | 61
| | Arc length (days) | 4
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Approaches
Date | Object | r, AU | r, km
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| 09/08/2021 01:48:00 PM | Earth | 0.000802 | 120 042
| | 09/09/2021 05:25:26 AM | Moon | 0.000795 | 118 943
| | 09/07/2110 08:09:36 PM | Earth | 0.000224 | 33 535
| | 09/08/2110 08:02:24 PM | Moon | 0.000601 | 89 943
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Details...
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Orbit initial data
| Date of initial data | 01/25/2025
| | M – mean anomaly (degrees) | 279.063029
| | a – orbit major semiaxis (astronomical units) | 1.10273419
| | e – orbit eccentricity | 0.17644773
| | ω – orbit ascending node-perihelion angle (degrees) | 73.174036
| | Ω – longitude of orbit ascending node (degrees) | 342.192479
| | i – orbit inclination to the ecliptic plane (degrees) | 0.032024
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Details...
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Orbital evolution
Date | M | a | e | ω | Ω | i | q | P
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| 01/13/1829 | 65.558100 | 1.02503155 | 0.16563117 | 99.182725 | 358.059095 | 0.268550 | 0.85525438 | 1.037783
| | 01/21/1858 | 32.254690 | 1.02676467 | 0.16564925 | 99.225920 | 357.617903 | 0.263721 | 0.85668187 | 1.040416
| | 01/29/1887 | 1.576095 | 1.02313763 | 0.16533164 | 102.974785 | 356.543174 | 0.247688 | 0.85398060 | 1.034908
| | 02/07/1916 | 355.109740 | 1.03695142 | 0.16649151 | 102.198090 | 352.239233 | 0.182922 | 0.86430781 | 1.055938
| | 02/14/1945 | 170.735684 | 1.03675189 | 0.16656110 | 101.640996 | 351.553556 | 0.178062 | 0.86406936 | 1.055633
| | 02/22/1974 | 39.408903 | 1.01228019 | 0.16433292 | 97.794649 | 345.703548 | 0.102739 | 0.84592923 | 1.018478
| | 03/02/2003 | 215.410616 | 1.01228482 | 0.16415157 | 98.403835 | 345.277284 | 0.098555 | 0.84611668 | 1.018485
| | 03/09/2032 | 331.947935 | 1.10271675 | 0.17643704 | 73.833602 | 341.572127 | 0.031175 | 0.90815667 | 1.157968
| | 03/17/2061 | 346.933146 | 1.10111468 | 0.17617396 | 78.782875 | 337.711922 | 0.028230 | 0.90712694 | 1.155445
| | 03/25/2090 | 38.272715 | 1.09825783 | 0.17494421 | 83.542608 | 331.454114 | 0.026617 | 0.90612398 | 1.150952
| | 04/03/2119 | 120.122730 | 1.36441843 | 0.27446417 | 203.228931 | 163.364116 | 0.974845 | 0.98993446 | 1.593757
| | 04/10/2148 | 195.856307 | 1.36454198 | 0.27452369 | 203.348623 | 163.300371 | 0.985167 | 0.98994288 | 1.593973
| | 04/18/2177 | 245.324472 | 1.37126138 | 0.27753788 | 211.144287 | 155.794075 | 0.867468 | 0.99068440 | 1.605761
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Detailed table...
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Graphs...
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3D animation...
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Calculation on the date...
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