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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 | 0.000803 | 120 065
| 09/09/2021 05:25:26 AM | Moon | 0.000795 | 118 922
| 09/07/2110 08:47:02 PM | Moon | 0.000788 | 117 945
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Details...
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Orbit initial data
Date of initial data | 02/25/2023
| M – mean anomaly (degrees) | 43.328672
| a – orbit major semiaxis (astronomical units) | 1.10277488
| e – orbit eccentricity | 0.17642726
| ω – orbit ascending node-perihelion angle (degrees) | 72.849498
| Ω – longitude of orbit ascending node (degrees) | 342.488380
| i – orbit inclination to the ecliptic plane (degrees) | 0.032153
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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 | 226.788077 | 1.02089433 | 0.16470797 | 100.569565 | 351.063926 | 0.145577 | 0.85274490 | 1.031506
| 01/21/1858 | 306.844766 | 1.01495311 | 0.16455777 | 99.903138 | 349.812152 | 0.134739 | 0.84793469 | 1.022515
| 01/29/1887 | 81.560528 | 1.01542667 | 0.16511067 | 100.547201 | 349.425909 | 0.129954 | 0.84776890 | 1.023230
| 02/07/1916 | 224.168499 | 1.01445277 | 0.16450088 | 100.393600 | 348.820850 | 0.124766 | 0.84757439 | 1.021759
| 02/14/1945 | 341.517622 | 1.02142609 | 0.16481002 | 98.827883 | 347.773424 | 0.117896 | 0.85308484 | 1.032312
| 02/22/1974 | 39.740161 | 1.01228402 | 0.16433995 | 97.791789 | 345.698710 | 0.102712 | 0.84592531 | 1.018484
| 03/02/2003 | 215.544111 | 1.01229816 | 0.16415223 | 98.399196 | 345.276903 | 0.098533 | 0.84612715 | 1.018505
| 03/09/2032 | 331.948023 | 1.10271673 | 0.17643703 | 73.833586 | 341.572126 | 0.031174 | 0.90815667 | 1.157968
| 03/17/2061 | 346.940862 | 1.10111295 | 0.17617352 | 78.783837 | 337.711552 | 0.028230 | 0.90712601 | 1.155443
| 03/25/2090 | 38.224165 | 1.09826922 | 0.17494838 | 83.531204 | 331.468495 | 0.026608 | 0.90612880 | 1.150970
| 04/03/2119 | 209.712049 | 1.06902146 | 0.16848749 | 184.942293 | 237.919503 | 0.006970 | 0.88890471 | 1.105300
| 04/10/2148 | 317.763338 | 1.06857025 | 0.16822428 | 203.034062 | 218.871084 | 0.009544 | 0.88881079 | 1.104600
| 04/18/2177 | 99.827474 | 1.06444073 | 0.16678059 | 210.289458 | 209.677307 | 0.012628 | 0.88691268 | 1.098204
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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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