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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 | 120 012
| | 09/09/2021 05:25:26 AM | Moon | 0.000795 | 118 970
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Details...
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Orbit initial data
| Date of initial data | 10/17/2024
| | M – mean anomaly (degrees) | 193.967729
| | a – orbit major semiaxis (astronomical units) | 1.10277454
| | e – orbit eccentricity | 0.17643951
| | ω – orbit ascending node-perihelion angle (degrees) | 73.101563
| | Ω – longitude of orbit ascending node (degrees) | 342.251941
| | i – orbit inclination to the ecliptic plane (degrees) | 0.032014
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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 | 105.929320 | 1.01227621 | 0.16497085 | 88.405751 | 1.085132 | 0.207106 | 0.84528014 | 1.018472
| | 01/21/1858 | 93.108934 | 0.99134130 | 0.16466399 | 84.688311 | 352.954383 | 0.193877 | 0.82810309 | 0.987041
| | 01/29/1887 | 236.675442 | 0.99176283 | 0.16472752 | 85.112886 | 352.745097 | 0.188382 | 0.82839220 | 0.987671
| | 02/07/1916 | 20.549241 | 0.99119268 | 0.16436178 | 85.383661 | 352.674838 | 0.183471 | 0.82827849 | 0.986820
| | 02/14/1945 | 221.087572 | 0.98710508 | 0.16451163 | 84.396509 | 350.783043 | 0.171569 | 0.82471482 | 0.980721
| | 02/22/1974 | 38.982550 | 1.01227445 | 0.16432406 | 97.798274 | 345.709664 | 0.102771 | 0.84593340 | 1.018469
| | 03/02/2003 | 215.239100 | 1.01226770 | 0.16415072 | 98.409821 | 345.277718 | 0.098581 | 0.84610322 | 1.018459
| | 03/09/2032 | 331.947917 | 1.10271676 | 0.17643703 | 73.833604 | 341.572122 | 0.031174 | 0.90815668 | 1.157968
| | 03/17/2061 | 346.930659 | 1.10111523 | 0.17617409 | 78.782589 | 337.712008 | 0.028230 | 0.90712726 | 1.155446
| | 03/25/2090 | 38.288712 | 1.09825408 | 0.17494282 | 83.546453 | 331.449277 | 0.026620 | 0.90612241 | 1.150946
| | 04/03/2119 | 276.387787 | 1.15700647 | 0.19282496 | 224.879840 | 175.096253 | 0.034563 | 0.93390674 | 1.244527
| | 04/10/2148 | 35.777287 | 1.15683782 | 0.19284653 | 224.374695 | 175.663869 | 0.038659 | 0.93374567 | 1.244255
| | 04/18/2177 | 105.160077 | 1.16363227 | 0.19552700 | 225.589972 | 175.227296 | 0.041369 | 0.93611074 | 1.255233
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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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