Catalogue of the Solar System Small Bodies Orbital Evolution
Catalogue of the Solar System Small Bodies Orbital Evolution
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Summary information
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Closest approaches
Approaches archive
Diagram 2D
Histogram
Impact probability
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Asteroid information
General data
Initial data
Approaches
Asteroid orbit evolution
Tables
Graphs
3D animation
Calculation

Asteroid General Data

2018 PH21

General information

Preliminary designation2018 PH21
GroupApollo
Absolute magnitude24.25
Approximate diameter (m)38
Approximate mass (kg)9.68·107
Number of observations15
Arc length (days)3

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)324.207435
a – orbit major semiaxis (astronomical units)1.90841000
e – orbit eccentricity0.65131000
ω – orbit ascending node-perihelion angle (degrees)226.391665
Ω – longitude of orbit ascending node (degrees)188.007314
i – orbit inclination to the ecliptic plane (degrees)1.796258
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/182933.9575331.912870610.65386565221.954304191.5418001.7479820.662110232.645629
01/21/185823.6773691.911939750.65306163222.593119191.0189721.7549180.663325262.643698
01/29/188715.9406411.911714630.65287179223.319551190.3888871.7563900.663610082.643232
02/07/191611.7583981.909511670.65185662224.373303189.5651331.7720440.664783842.638664
02/14/194510.9479951.908654720.65129081225.010075189.0296701.7764980.665565452.636888
02/22/197415.9667271.907045830.65135131225.508744188.6298701.7801960.664889032.633554
03/02/200324.6696001.906626250.65120873225.922309188.3712031.7938710.665014592.632685
03/09/203228.3762431.911178690.65124386227.021779187.5243841.7960790.666535312.642120
03/17/206122.8558071.911120160.65136252227.323078187.3204921.8057670.666288112.641999
03/25/209017.0243001.910686300.65216828228.175894186.5784471.8141950.664597312.641099
04/03/211911.2021751.910835150.65172196228.662355186.1520481.8188890.665501912.641408
04/10/21485.6416161.910010980.65141432229.125719185.7611311.8221250.665802482.639699
04/18/2177359.3445871.911200010.65041774229.808385185.2691261.8222640.668121632.642164
Detailed table... Graphs... 3D animation... Calculation on the date...

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This project was supported by the Federal Agency of Education (project codes RNP 2.1.1.1689, RNP 2.1.1.745).
Samara State Technical University
Applied Mathematics and Information Science Department
Яндекс.Метрика