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Asteroid General Data
General information
| Preliminary designation | 2021 KN2
| | Group | Apollo
| | Absolute magnitude | 28.66
| | Approximate diameter (m) | 5
| | Approximate mass (kg) | 2.19·105
| | Number of observations | 65
| | Arc length (days) | 1
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Approaches
Date | Object | r, AU | r, km
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| 05/31/2021 02:09:36 AM | Earth | 0.000967 | 144 591
| | 05/31/2093 02:24:00 PM | Earth | 0.000392 | 58 577
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 337.467714
| | a – orbit major semiaxis (astronomical units) | 1.41032773
| | e – orbit eccentricity | 0.37303646
| | ω – orbit ascending node-perihelion angle (degrees) | 237.122021
| | Ω – longitude of orbit ascending node (degrees) | 70.316329
| | i – orbit inclination to the ecliptic plane (degrees) | 3.762493
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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 | 79.576539 | 1.37297366 | 0.36418928 | 237.841245 | 72.871280 | 2.724403 | 0.87295137 | 1.608770
| | 01/21/1858 | 90.949764 | 1.37406342 | 0.36450208 | 238.224652 | 72.450744 | 2.723636 | 0.87321445 | 1.610686
| | 01/29/1887 | 105.634380 | 1.37200114 | 0.36404734 | 238.644007 | 72.180168 | 2.725196 | 0.87252778 | 1.607061
| | 02/07/1916 | 123.622678 | 1.38526322 | 0.36756520 | 237.861538 | 71.896775 | 2.852637 | 0.87608866 | 1.630418
| | 02/14/1945 | 50.804329 | 1.38616502 | 0.36788631 | 238.418766 | 71.454074 | 2.856439 | 0.87621388 | 1.632011
| | 02/22/1974 | 335.869788 | 1.38540962 | 0.36765444 | 238.944622 | 70.955379 | 2.862724 | 0.87605762 | 1.630677
| | 03/02/2003 | 262.200539 | 1.38554389 | 0.36779545 | 239.138714 | 70.809582 | 2.860116 | 0.87594714 | 1.630914
| | 03/09/2032 | 134.032749 | 1.40987830 | 0.37247062 | 237.125585 | 70.249295 | 3.758606 | 0.88474005 | 1.674068
| | 03/17/2061 | 252.742544 | 1.41071468 | 0.37295123 | 237.570116 | 69.851219 | 3.759610 | 0.88458690 | 1.675558
| | 03/25/2090 | 7.993023 | 1.41003556 | 0.37253490 | 237.843910 | 69.701809 | 3.756623 | 0.88474810 | 1.674348
| | 04/03/2119 | 349.351392 | 1.57844635 | 0.42082749 | 228.207321 | 69.442194 | 2.723700 | 0.91419274 | 1.983103
| | 04/10/2148 | 216.262309 | 1.57869075 | 0.42121987 | 228.523000 | 69.278378 | 2.718441 | 0.91371484 | 1.983564
| | 04/18/2177 | 83.611181 | 1.57831511 | 0.42117945 | 228.796501 | 69.135287 | 2.714369 | 0.91356122 | 1.982856
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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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