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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 07:23:31 AM | Moon | 0.000647 | 96 730
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 252.740933
| | a – orbit major semiaxis (astronomical units) | 1.65397590
| | e – orbit eccentricity | 0.39003876
| | ω – orbit ascending node-perihelion angle (degrees) | 174.132562
| | Ω – longitude of orbit ascending node (degrees) | 125.118049
| | i – orbit inclination to the ecliptic plane (degrees) | 2.289003
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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 | 286.391643 | 1.63400378 | 0.38081631 | 172.153751 | 129.306012 | 3.665697 | 1.01174850 | 2.088720
| | 01/21/1858 | 262.683058 | 1.62828938 | 0.37873475 | 172.945525 | 128.640813 | 3.745039 | 1.01159961 | 2.077773
| | 01/29/1887 | 239.553894 | 1.64636035 | 0.38598707 | 172.700487 | 127.940071 | 3.069041 | 1.01088654 | 2.112457
| | 02/07/1916 | 139.805709 | 1.64867132 | 0.38678649 | 173.049489 | 127.781233 | 3.067566 | 1.01098753 | 2.116907
| | 02/14/1945 | 40.328942 | 1.64490182 | 0.38644738 | 171.403056 | 127.186201 | 2.541126 | 1.00923383 | 2.109651
| | 02/22/1974 | 321.245839 | 1.64141739 | 0.38532411 | 172.350696 | 126.376093 | 2.611758 | 1.00893970 | 2.102951
| | 03/02/2003 | 244.288739 | 1.64158892 | 0.38532127 | 172.865895 | 126.081292 | 2.617358 | 1.00904979 | 2.103281
| | 03/09/2032 | 145.787779 | 1.65416620 | 0.38996718 | 174.133519 | 125.107022 | 2.289091 | 1.00909568 | 2.127499
| | 03/17/2061 | 11.202647 | 1.65542709 | 0.39070819 | 174.398706 | 124.960796 | 2.290485 | 1.00863816 | 2.129932
| | 03/25/2090 | 244.632040 | 1.64966131 | 0.38856043 | 175.691297 | 123.926475 | 2.385211 | 1.00866820 | 2.118814
| | 04/03/2119 | 135.219716 | 1.64953293 | 0.38854946 | 175.907043 | 123.836143 | 2.388348 | 1.00860781 | 2.118566
| | 04/10/2148 | 7.264283 | 1.65485916 | 0.39013319 | 176.601011 | 123.461720 | 2.372475 | 1.00924368 | 2.128836
| | 04/18/2177 | 234.591834 | 1.65452300 | 0.39012276 | 176.849114 | 123.361771 | 2.375779 | 1.00905593 | 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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