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Asteroid General Data
General information
| Preliminary designation | 2025 ST4
| | Group | Apollo
| | Absolute magnitude | 28.95
| | Approximate diameter (m) | 4
| | Approximate mass (kg) | 1.47·105
| | Number of observations | 28
| | Arc length (days) | 2
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Approaches
Date | Object | r, AU | r, km
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| 09/22/2025 07:55:12 PM | Earth | 0.000582 | 87 014
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 144.692862
| | a – orbit major semiaxis (astronomical units) | 1.60865899
| | e – orbit eccentricity | 0.45365622
| | ω – orbit ascending node-perihelion angle (degrees) | 126.678979
| | Ω – longitude of orbit ascending node (degrees) | 179.949020
| | i – orbit inclination to the ecliptic plane (degrees) | 6.495240
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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 | 173.004646 | 1.66755720 | 0.47134158 | 124.630070 | 182.708736 | 5.065616 | 0.88156816 | 2.153385
| | 01/21/1858 | 330.093408 | 1.66912737 | 0.47149380 | 125.125461 | 182.349319 | 5.116528 | 0.88214416 | 2.156427
| | 01/29/1887 | 134.066687 | 1.66930259 | 0.47174328 | 125.657453 | 181.929748 | 5.131649 | 0.88182031 | 2.156767
| | 02/07/1916 | 299.905412 | 1.66854739 | 0.47148280 | 126.138850 | 181.538350 | 5.143197 | 0.88185600 | 2.155303
| | 02/14/1945 | 138.365203 | 1.66034707 | 0.46985084 | 126.359280 | 181.115239 | 5.201139 | 0.88023161 | 2.139434
| | 02/22/1974 | 340.529467 | 1.66037819 | 0.46975951 | 126.777120 | 180.752801 | 5.216324 | 0.88039974 | 2.139494
| | 03/02/2003 | 183.113635 | 1.66101780 | 0.46974344 | 127.356525 | 180.292407 | 5.226258 | 0.88076558 | 2.140731
| | 03/09/2032 | 79.094082 | 1.60870676 | 0.45369730 | 126.761038 | 179.893769 | 6.499753 | 0.87884084 | 2.040403
| | 03/17/2061 | 159.628651 | 1.60911193 | 0.45376141 | 127.163303 | 179.602744 | 6.512441 | 0.87895903 | 2.041174
| | 03/25/2090 | 236.243111 | 1.61034785 | 0.45416662 | 127.708756 | 179.229102 | 6.525452 | 0.87898161 | 2.043526
| | 04/03/2119 | 307.088608 | 1.61064170 | 0.45401506 | 128.075123 | 178.967601 | 6.538619 | 0.87938612 | 2.044085
| | 04/10/2148 | 17.831498 | 1.61060427 | 0.45402237 | 128.579333 | 178.587204 | 6.556586 | 0.87935390 | 2.044014
| | 04/18/2177 | 90.198352 | 1.60977177 | 0.45402978 | 128.946071 | 178.253521 | 6.571921 | 0.87888745 | 2.042429
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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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