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Asteroid General Data
General information
| Preliminary designation | 2025 SO20
| | Group | Apollo
| | Absolute magnitude | 28.39
| | Approximate diameter (m) | 6
| | Approximate mass (kg) | 3.18·105
| | Number of observations | 53
| | Arc length (days) | 2
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Approaches
Date | Object | r, AU | r, km
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| 09/28/2025 06:43:12 AM | Earth | 0.000915 | 136 918
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 190.797648
| | a – orbit major semiaxis (astronomical units) | 1.34141020
| | e – orbit eccentricity | 0.35004585
| | ω – orbit ascending node-perihelion angle (degrees) | 299.583592
| | Ω – longitude of orbit ascending node (degrees) | 5.457969
| | i – orbit inclination to the ecliptic plane (degrees) | 2.414631
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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 | 269.217523 | 1.41106773 | 0.37084567 | 301.022673 | 8.979143 | 2.099967 | 0.88777937 | 1.676187
| | 01/21/1858 | 25.824477 | 1.41009240 | 0.37040479 | 302.072657 | 7.957480 | 2.084366 | 0.88778743 | 1.674449
| | 01/29/1887 | 144.052417 | 1.41070847 | 0.37074799 | 302.368913 | 7.733275 | 2.084800 | 0.88769114 | 1.675547
| | 02/07/1916 | 262.382587 | 1.40859055 | 0.37017942 | 302.997480 | 7.281056 | 2.076525 | 0.88715932 | 1.671775
| | 02/14/1945 | 18.917173 | 1.41439854 | 0.37208295 | 303.921240 | 6.590788 | 2.068321 | 0.88812496 | 1.682125
| | 02/22/1974 | 112.877838 | 1.41130548 | 0.37124956 | 304.288084 | 6.135765 | 2.065845 | 0.88735894 | 1.676610
| | 03/02/2003 | 220.063286 | 1.41217136 | 0.37143713 | 304.555255 | 5.988474 | 2.056706 | 0.88763849 | 1.678154
| | 03/09/2032 | 83.154198 | 1.34129470 | 0.35000724 | 299.603237 | 5.438099 | 2.414255 | 0.87183185 | 1.553413
| | 03/17/2061 | 331.264539 | 1.34097279 | 0.35004239 | 299.816735 | 5.203595 | 2.412441 | 0.87157547 | 1.552854
| | 03/25/2090 | 217.164712 | 1.34133421 | 0.34998604 | 300.691631 | 4.482774 | 2.395097 | 0.87188596 | 1.553482
| | 04/03/2119 | 116.997398 | 1.33931052 | 0.34950963 | 300.828235 | 4.220206 | 2.389870 | 0.87120860 | 1.549967
| | 04/10/2148 | 21.849056 | 1.33906737 | 0.34949264 | 301.578788 | 3.561841 | 2.361780 | 0.87107317 | 1.549545
| | 04/18/2177 | 283.344405 | 1.33806529 | 0.34940869 | 302.086360 | 3.152541 | 2.339364 | 0.87053365 | 1.547806
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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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