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Asteroid General Data
General information
| Preliminary designation | 2020 YS4
| | Group | Apollo
| | Absolute magnitude | 27.77
| | Approximate diameter (m) | 7
| | Approximate mass (kg) | 7.48·105
| | Number of observations | 43
| | Arc length (days) | 1
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Approaches
Date | Object | r, AU | r, km
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| 12/28/2020 10:33:36 PM | Earth | 0.000645 | 96 489
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 49.191965
| | a – orbit major semiaxis (astronomical units) | 1.86235571
| | e – orbit eccentricity | 0.47255542
| | ω – orbit ascending node-perihelion angle (degrees) | 186.528317
| | Ω – longitude of orbit ascending node (degrees) | 276.821343
| | i – orbit inclination to the ecliptic plane (degrees) | 4.177286
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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 | 165.960075 | 1.80235260 | 0.45394511 | 179.197513 | 279.103822 | 5.333864 | 0.98418345 | 2.419693
| | 01/21/1858 | 161.380449 | 1.80151233 | 0.45373093 | 179.620753 | 278.805265 | 5.337326 | 0.98411046 | 2.418001
| | 01/29/1887 | 163.283874 | 1.79388798 | 0.45225130 | 180.217193 | 278.425160 | 5.416880 | 0.98259982 | 2.402667
| | 02/07/1916 | 182.948041 | 1.79721287 | 0.45305075 | 180.859460 | 278.124261 | 5.397006 | 0.98298423 | 2.409350
| | 02/14/1945 | 199.244076 | 1.79550076 | 0.45178775 | 181.299692 | 277.877386 | 5.397042 | 0.98431552 | 2.405908
| | 02/22/1974 | 212.271414 | 1.79886490 | 0.45225594 | 181.748411 | 277.567183 | 5.381684 | 0.98531757 | 2.412673
| | 03/02/2003 | 221.691732 | 1.80017598 | 0.45268410 | 182.165691 | 277.277862 | 5.376174 | 0.98526493 | 2.415311
| | 03/09/2032 | 143.439192 | 1.86316423 | 0.47232117 | 186.577093 | 276.786962 | 4.177620 | 0.98315233 | 2.543181
| | 03/17/2061 | 293.050296 | 1.86230104 | 0.47247346 | 187.071867 | 276.497789 | 4.173173 | 0.98241322 | 2.541414
| | 03/25/2090 | 78.837363 | 1.86728826 | 0.47276597 | 187.746967 | 275.995798 | 4.119833 | 0.98449791 | 2.551630
| | 04/03/2119 | 215.643609 | 1.86632214 | 0.47278001 | 188.241288 | 275.703333 | 4.116497 | 0.98396233 | 2.549650
| | 04/10/2148 | 346.819147 | 1.87010181 | 0.47347038 | 188.941378 | 275.236582 | 4.075994 | 0.98466399 | 2.557399
| | 04/18/2177 | 108.326555 | 1.87139412 | 0.47361016 | 189.517363 | 274.887104 | 4.066732 | 0.98508286 | 2.560050
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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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