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Asteroid General Data
General information
| Preliminary designation | 2015 HD1
| | Group | Apollo
| | Absolute magnitude | 27.37
| | Approximate diameter (m) | 9
| | Approximate mass (kg) | 1.30·106
| | Number of observations | 53
| | Arc length (days) | 3
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Approaches
Date | Object | r, AU | r, km
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| 04/21/2015 08:24:00 AM | Earth | 0.000397 | 59 359
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 52.451037
| | a – orbit major semiaxis (astronomical units) | 2.30496072
| | e – orbit eccentricity | 0.64724760
| | ω – orbit ascending node-perihelion angle (degrees) | 57.813239
| | Ω – longitude of orbit ascending node (degrees) | 210.778590
| | i – orbit inclination to the ecliptic plane (degrees) | 5.339061
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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 | 36.664633 | 2.20531873 | 0.63317014 | 50.063511 | 219.206239 | 4.392088 | 0.80897675 | 3.274973
| | 01/21/1858 | 348.768326 | 2.20193289 | 0.63487235 | 50.751383 | 218.565431 | 4.381271 | 0.80398657 | 3.267433
| | 01/29/1887 | 296.995173 | 2.20207614 | 0.63541830 | 52.766705 | 216.976545 | 4.315536 | 0.80283666 | 3.267752
| | 02/07/1916 | 249.953108 | 2.20411509 | 0.63488029 | 53.386442 | 216.374700 | 4.298001 | 0.80476587 | 3.272292
| | 02/14/1945 | 196.582066 | 2.20194270 | 0.63613052 | 55.542039 | 214.658430 | 4.235525 | 0.80121976 | 3.267455
| | 02/22/1974 | 145.711902 | 2.20731884 | 0.63390262 | 56.627532 | 213.654693 | 4.209144 | 0.80809365 | 3.279429
| | 03/02/2003 | 93.890204 | 2.20295111 | 0.63637335 | 58.419163 | 212.184627 | 4.162636 | 0.80105173 | 3.269700
| | 03/09/2032 | 283.659606 | 2.30623234 | 0.64757150 | 57.825908 | 210.729661 | 5.337364 | 0.81278200 | 3.502315
| | 03/17/2061 | 24.629426 | 2.30229917 | 0.65016208 | 59.700959 | 209.073185 | 5.269833 | 0.80543155 | 3.493359
| | 03/25/2090 | 125.757457 | 2.30611672 | 0.64858281 | 61.602232 | 207.377872 | 5.203691 | 0.81040906 | 3.502052
| | 04/03/2119 | 226.738200 | 2.30487112 | 0.64994553 | 64.393728 | 204.947453 | 5.126151 | 0.80683043 | 3.499215
| | 04/10/2148 | 323.061726 | 2.30665210 | 0.65108034 | 66.233439 | 203.343800 | 5.084898 | 0.80483626 | 3.503271
| | 04/18/2177 | 57.241276 | 2.31521257 | 0.64745612 | 68.957413 | 201.019779 | 5.013422 | 0.81621402 | 3.522791
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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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