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Asteroid General Data
General information
| Preliminary designation | 2018 PP9
| | Group | Apollo
| | Absolute magnitude | 25.99
| | Approximate diameter (m) | 17
| | Approximate mass (kg) | 8.75·106
| | Number of observations | 36
| | Arc length (days) | 41
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Approaches
Date | Object | r, AU | r, km
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| 07/31/1938 07:01:55 AM | Moon | 0.000648 | 96 964
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Details...
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Orbit initial data
| Date of initial data | 03/31/2024
| | M – mean anomaly (degrees) | 242.215923
| | a – orbit major semiaxis (astronomical units) | 1.65383605
| | e – orbit eccentricity | 0.38989555
| | ω – orbit ascending node-perihelion angle (degrees) | 174.044527
| | Ω – longitude of orbit ascending node (degrees) | 125.130424
| | i – orbit inclination to the ecliptic plane (degrees) | 2.287884
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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 | 2.003588 | 1.63786447 | 0.38310651 | 171.467154 | 128.574622 | 3.116733 | 1.01038793 | 2.096127
| | 01/21/1858 | 305.885864 | 1.63804318 | 0.38305391 | 171.707244 | 128.462123 | 3.120362 | 1.01058434 | 2.096470
| | 01/29/1887 | 231.327712 | 1.64227302 | 0.38462870 | 172.392930 | 128.102312 | 3.101988 | 1.01060769 | 2.104596
| | 02/07/1916 | 140.951610 | 1.64887103 | 0.38686384 | 173.074503 | 127.772847 | 3.060117 | 1.01098245 | 2.117291
| | 02/14/1945 | 40.329891 | 1.64490216 | 0.38644746 | 171.403029 | 127.186138 | 2.541136 | 1.00923389 | 2.109651
| | 02/22/1974 | 321.245968 | 1.64141745 | 0.38532414 | 172.350641 | 126.376112 | 2.611751 | 1.00893969 | 2.102951
| | 03/02/2003 | 244.288562 | 1.64158885 | 0.38532125 | 172.865873 | 126.081288 | 2.617352 | 1.00904978 | 2.103281
| | 03/09/2032 | 145.787777 | 1.65416620 | 0.38996717 | 174.133512 | 125.107022 | 2.289090 | 1.00909568 | 2.127499
| | 03/17/2061 | 11.202659 | 1.65542708 | 0.39070819 | 174.398700 | 124.960796 | 2.290485 | 1.00863817 | 2.129932
| | 03/25/2090 | 244.632032 | 1.64966132 | 0.38856043 | 175.691289 | 123.926475 | 2.385211 | 1.00866821 | 2.118814
| | 04/03/2119 | 135.219674 | 1.64953294 | 0.38854945 | 175.907035 | 123.836143 | 2.388348 | 1.00860782 | 2.118567
| | 04/10/2148 | 7.264436 | 1.65485922 | 0.39013320 | 176.600990 | 123.461734 | 2.372476 | 1.00924370 | 2.128836
| | 04/18/2177 | 234.591684 | 1.65452306 | 0.39012277 | 176.849095 | 123.361784 | 2.375780 | 1.00905595 | 2.128187
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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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