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Asteroid General Data
General information
| Preliminary designation | 2021 RS2
| | Group | Apollo
| | Absolute magnitude | 30.35
| | Approximate diameter (m) | 2
| | Approximate mass (kg) | 2.12·104
| | Number of observations | 41
| | Arc length (days) | 1
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Approaches
Date | Object | r, AU | r, km
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| 09/08/2021 07:26:24 AM | Earth | 0.000146 | 21 826
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 26.761397
| | a – orbit major semiaxis (astronomical units) | 1.30689873
| | e – orbit eccentricity | 0.50482362
| | ω – orbit ascending node-perihelion angle (degrees) | 273.764787
| | Ω – longitude of orbit ascending node (degrees) | 165.573339
| | i – orbit inclination to the ecliptic plane (degrees) | 14.568852
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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 | 204.878851 | 1.24426157 | 0.51910463 | 278.817336 | 167.486961 | 11.195969 | 0.59835963 | 1.387932
| | 01/21/1858 | 179.240041 | 1.24089250 | 0.51847603 | 279.280724 | 167.214982 | 11.236642 | 0.59751948 | 1.382299
| | 01/29/1887 | 178.829448 | 1.24087240 | 0.51842250 | 279.540186 | 166.984438 | 11.241439 | 0.59757623 | 1.382265
| | 02/07/1916 | 178.728502 | 1.24039743 | 0.51839404 | 279.912575 | 166.688992 | 11.255874 | 0.59738279 | 1.381471
| | 02/14/1945 | 174.527055 | 1.24167143 | 0.51862233 | 280.103084 | 166.391877 | 11.249489 | 0.59771290 | 1.383600
| | 02/22/1974 | 171.936724 | 1.24044468 | 0.51851875 | 280.537106 | 166.067789 | 11.246408 | 0.59725086 | 1.381550
| | 03/02/2003 | 174.110699 | 1.24045222 | 0.51851773 | 280.807187 | 165.831620 | 11.252090 | 0.59725575 | 1.381563
| | 03/09/2032 | 332.593383 | 1.30622956 | 0.50478067 | 273.874043 | 165.508383 | 14.570920 | 0.64687013 | 1.492897
| | 03/17/2061 | 131.139291 | 1.30624152 | 0.50474939 | 274.156531 | 165.279166 | 14.579376 | 0.64691691 | 1.492918
| | 03/25/2090 | 285.454896 | 1.30736202 | 0.50519401 | 274.471344 | 165.004433 | 14.561458 | 0.64689056 | 1.494839
| | 04/03/2119 | 78.940241 | 1.30674772 | 0.50491183 | 274.649550 | 164.730887 | 14.570354 | 0.64695534 | 1.493785
| | 04/10/2148 | 239.344333 | 1.30295344 | 0.50492166 | 275.193723 | 164.459411 | 14.518715 | 0.64506402 | 1.487284
| | 04/18/2177 | 63.816351 | 1.30360490 | 0.50488411 | 275.564622 | 164.175044 | 14.512842 | 0.64543550 | 1.488400
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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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