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
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Impact probability
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Asteroid information
General data
Initial data
Approaches
Asteroid orbit evolution
Tables
Graphs
3D animation
Calculation

Asteroid General Data

1999 HD1 (488474)

General information

Preliminary designation1999 HD1
Number488474
GroupApollo
Absolute magnitude20.32
Approximate diameter (m)230
Approximate mass (kg)2.21·1010
Number of observations103
Arc length (days)9102

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)89.068385
a – orbit major semiaxis (astronomical units)1.13173900
e – orbit eccentricity0.41785200
ω – orbit ascending node-perihelion angle (degrees)147.976142
Ω – longitude of orbit ascending node (degrees)209.842177
i – orbit inclination to the ecliptic plane (degrees)18.215529
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/182986.6965811.131790310.41837639147.006661210.86222418.1620530.658275971.204064
01/21/1858126.2846271.131537840.41831194147.159497210.70436318.1684690.658202051.203661
01/29/1887166.3410991.131784090.41826449147.310818210.55927318.1818160.658398991.204054
02/07/1916209.0985481.131523120.41813548147.448183210.41045118.1917090.658393161.203638
02/14/1945248.7638241.132037280.41831889147.636173210.24124918.1947230.658484711.204458
02/22/1974284.2008481.131111650.41790152147.696719210.10509018.2046120.658418371.202981
03/02/2003327.7435251.131258900.41785085147.858126209.94347318.2080070.658561411.203216
03/09/20328.5398861.131487100.41773168148.008916209.81165918.2202280.658829091.203580
03/17/206148.4484711.131729280.41782667148.198063209.65314118.2225880.658862601.203967
03/25/209085.3939871.131572500.41763077148.332173209.51471018.2388460.658993011.203716
04/03/2119127.3585831.131063370.41748355148.473579209.36102918.2463870.658863021.202904
04/10/2148168.5667231.131830390.41767381148.644926209.20954118.2527670.659094481.204128
04/18/2177206.7223241.131537950.41751716148.787821209.07441118.2634540.659101431.203661
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