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

Asteroid General Data

2017 SP21

General information

Preliminary designation2017 SP21
GroupAten
Absolute magnitude27.69
Approximate diameter (m)8
Approximate mass (kg)8.35·105
Number of observations31
Arc length (days)2

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)75.135449
a – orbit major semiaxis (astronomical units)0.98035500
e – orbit eccentricity0.13882600
ω – orbit ascending node-perihelion angle (degrees)69.319471
Ω – longitude of orbit ascending node (degrees)188.125598
i – orbit inclination to the ecliptic plane (degrees)11.204545
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/182969.5466340.976428700.1450034666.447983190.11503310.9252410.834843160.964854
01/21/185890.9745970.976947380.1446177766.932941189.85154910.9350870.835663420.965622
01/29/1887109.0724280.977091230.1444429167.161851189.60367710.9463820.835957340.965836
02/07/1916129.2620140.976793410.1445377967.210730189.33858410.9580920.835609850.965394
02/14/1945155.7297490.976309830.1443137167.338035189.07386010.9709960.835414930.964677
02/22/1974147.4225960.978957700.1425644868.518938188.77107411.0365120.839393110.968605
03/02/200397.1180460.981872570.1408533069.744421188.43842511.0907240.843572580.972934
03/09/203247.1059110.980509230.1388433669.381964188.10131611.2038960.844372030.970908
03/17/20615.9327400.980699700.1387715069.492495187.82417011.2141220.844606530.971191
03/25/2090319.4171850.981489640.1384958069.790217187.53675511.2249470.845557450.972365
04/03/2119263.8898030.981544640.1384274170.047846187.41824311.2271730.845671950.972446
04/10/2148209.8874210.981207260.1383761870.027702187.13491511.2371730.845431550.971945
04/18/2177156.9733440.981308130.1383838470.081985186.85402211.2456070.845510940.972095
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