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Asteroid General Data
General information
| Preliminary designation | 2018 YJ4
| | Group | Apollo
| | Absolute magnitude | 29.76
| | Approximate diameter (m) | 3
| | Approximate mass (kg) | 4.79·104
| | Number of observations | 8
| | Arc length (days) | 0
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Approaches
Date | Object | r, AU | r, km
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| 12/30/2018 10:19:12 AM | Earth | 0.000729 | 109 011
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 114.812394
| | a – orbit major semiaxis (astronomical units) | 2.19579976
| | e – orbit eccentricity | 0.63909093
| | ω – orbit ascending node-perihelion angle (degrees) | 119.318494
| | Ω – longitude of orbit ascending node (degrees) | 279.222383
| | i – orbit inclination to the ecliptic plane (degrees) | 2.510481
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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 | 85.419828 | 2.20249601 | 0.63929464 | 99.239536 | 297.799177 | 1.522142 | 0.79445211 | 3.268687
| | 01/21/1858 | 36.603933 | 2.20725365 | 0.63907271 | 102.224658 | 295.090804 | 1.536204 | 0.79665807 | 3.279284
| | 01/29/1887 | 342.398036 | 2.20643810 | 0.64001420 | 105.191356 | 292.354563 | 1.550170 | 0.79428639 | 3.277466
| | 02/07/1916 | 286.710732 | 2.20879695 | 0.63890061 | 107.967154 | 289.785171 | 1.564848 | 0.79759523 | 3.282723
| | 02/14/1945 | 222.576823 | 2.21450558 | 0.64143515 | 112.350281 | 285.784224 | 1.658894 | 0.79404387 | 3.295458
| | 02/22/1974 | 150.983520 | 2.21478182 | 0.63921176 | 114.985298 | 283.354467 | 1.680444 | 0.79906723 | 3.296075
| | 03/02/2003 | 81.571676 | 2.21220603 | 0.64053496 | 117.631093 | 280.979617 | 1.708168 | 0.79521073 | 3.290326
| | 03/09/2032 | 29.804814 | 2.19858143 | 0.63661027 | 120.380160 | 278.355139 | 2.530007 | 0.79894191 | 3.259976
| | 03/17/2061 | 356.036006 | 2.19602995 | 0.63895352 | 121.955126 | 276.929040 | 2.559046 | 0.79286888 | 3.254303
| | 03/25/2090 | 322.537344 | 2.19651693 | 0.63847413 | 124.556627 | 274.616083 | 2.605629 | 0.79409769 | 3.255386
| | 04/03/2119 | 289.943708 | 2.19684395 | 0.63796830 | 125.508810 | 273.662522 | 2.626106 | 0.79532714 | 3.256113
| | 04/10/2148 | 256.212427 | 2.19907133 | 0.63868389 | 127.788487 | 271.687772 | 2.676647 | 0.79455990 | 3.261066
| | 04/18/2177 | 218.563264 | 2.20137163 | 0.63688169 | 129.528509 | 270.130468 | 2.710671 | 0.79935835 | 3.266184
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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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