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Asteroids catalogue

Asteroid General Data

2003 WR21 (226554)

General information

Preliminary designation2003 WR21
Number226554
GroupApollo
Absolute magnitude19.62
Approximate diameter (m)320
Approximate mass (kg)5.81·1010
Number of observations501
Arc length (days)12071

Approaches

No approaches found

Orbit initial data

Date of initial data09/17/2026
M – mean anomaly (degrees)346.488192
a – orbit major semiaxis (astronomical units)1.11828500
e – orbit eccentricity0.26145100
ω – orbit ascending node-perihelion angle (degrees)108.097898
Ω – longitude of orbit ascending node (degrees)85.760723
i – orbit inclination to the ecliptic plane (degrees)9.265356
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829278.3488591.118332750.25929408106.72042087.4613949.4442390.828355701.182653
01/21/1858122.9386271.116777580.25982777106.54927887.1414439.3912370.826607761.180187
01/29/1887339.1755561.116421090.25985059106.82855986.9329969.3871080.826318411.179621
02/07/1916182.9240581.119089820.26081228107.31509786.6603679.3346100.827217461.183854
02/14/19456.2280491.119206530.26089305107.54229886.4730859.3342180.827213331.184039
02/22/1974197.5421181.118563990.26142181107.64131786.1597499.2790300.826146971.183019
03/02/200323.3606461.119210580.26149764107.89680185.9627419.2746970.826539661.184045
03/09/2032213.7823261.117809860.26143039108.01417485.7152009.2620110.825580391.181823
03/17/206158.5376621.116979160.26150085108.14934585.4456109.2395310.824888161.180506
03/25/2090274.7229741.116866890.26149388108.49780585.2258589.2346470.824813041.180328
04/03/2119121.5082171.117038170.26224632108.58847584.9360419.1837610.824099021.180600
04/10/2148334.2104721.116310300.26227971108.82227184.6800849.1709770.823524761.179446
04/18/2177187.1217451.117430000.26277049109.09847884.4511559.1392040.823802381.181221
Detailed table... Graphs... 3D animation... Calculation on the date...

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