Asteroid General Data

1998 RO₄ (27031)

General information

Preliminary designation	1998 RO₄
Number	27031
Group	Amor
Absolute magnitude	17.89
Approximate diameter (m)	700
Approximate mass (kg)	6.34·10¹¹
Number of observations	1004
Arc length (days)	27260

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	3.210742
a – orbit major semiaxis (astronomical units)	2.13867400
e – orbit eccentricity	0.42646900
ω – orbit ascending node-perihelion angle (degrees)	111.910568
Ω – longitude of orbit ascending node (degrees)	191.757748
i – orbit inclination to the ecliptic plane (degrees)	5.356357

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	297.207757	2.13810646	0.42609421	106.343874	195.934208	5.240720	1.22707168	3.126400
01/21/1858	36.493941	2.13974044	0.42440700	106.821218	195.523571	5.253923	1.23161961	3.129985
01/29/1887	136.412108	2.13859714	0.42594903	108.140590	194.628156	5.273196	1.22766376	3.127477
02/07/1916	236.075149	2.13928903	0.42476190	108.515352	194.251782	5.285667	1.23060055	3.128995
02/14/1945	336.395950	2.13872720	0.42573045	109.914267	193.340753	5.308054	1.22820589	3.127762
02/22/1974	75.636666	2.13892887	0.42557465	110.205061	192.992527	5.320224	1.22865497	3.128204
03/02/2003	174.855861	2.14020290	0.42631899	111.396770	192.182272	5.337555	1.22779377	3.131000
03/09/2032	273.357240	2.13877067	0.42594683	111.915551	191.711141	5.358199	1.22776808	3.127857
03/17/2061	13.211195	2.13830132	0.42710093	112.968464	190.977941	5.374608	1.22503084	3.126828
03/25/2090	111.893057	2.13921862	0.42606770	113.605600	190.458328	5.392761	1.22776665	3.128840
04/03/2119	211.949948	2.13782966	0.42726510	114.725847	189.731774	5.415905	1.22440965	3.125793
04/10/2148	311.658963	2.13864389	0.42633644	115.276580	189.229376	5.433725	1.22686206	3.127579
04/18/2177	52.192630	2.13844220	0.42716662	116.512167	188.496686	5.459443	1.22497107	3.127137

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