NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2001UD18 ∴ Orbital info ∴ Epoch 60400 MJD

2001UD18 ▹

ORBITAL INFORMATION

◲

(ASCII data file 2001UD18.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	1.80231	0.005135	au
e	0.441869	0.001674
i	2.771	0.01181	deg
Ω	211.738	0.02031	deg
ω	183.832	0.0167	deg
M	94.449	17.72	deg

Other useful info
Absolute Magnitude (H)	27.6	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0059	au
Aphelion distance	2.5987	au
Asc. node-Earth separation	1.58901	au
Desc. node-Earth separation	0.01299	au
Earth MOID	0.01296	au
Orbital period	883.775	days
Date of orbit computation	feb 26 10:22

Covariance matrix
2.63630907E-05	8.59520667E-06	6.06036736E-05	-1.04253278E-04	5.32514886E-05	-9.09877568E-02
8.59520667E-06	2.80231167E-06	1.97584901E-05	-3.39900788E-05	1.73727336E-05	-2.96649081E-02
6.06036736E-05	1.97584901E-05	1.39409017E-04	-2.39585825E-04	1.18779704E-04	-2.09162252E-01
-1.04253278E-04	-3.39900788E-05	-2.39585825E-04	4.12329657E-04	-2.13571295E-04	3.59813488E-01
5.32514886E-05	1.73727336E-05	1.18779704E-04	-2.13571295E-04	2.78895791E-04	-1.83840307E-01
-9.09877568E-02	-2.96649081E-02	-2.09162252E-01	3.59813488E-01	-1.83840307E-01	3.14028897E+02

Correlation matrix
1.00000000	0.99999987	0.99966700	-0.99992924	0.62103004	-0.99999998
0.99999987	1.00000000	0.99965491	-0.99993476	0.62142535	-0.99999996
0.99966700	0.99965491	1.00000000	-0.99929428	0.60238733	-0.99966174
-0.99992924	-0.99993476	-0.99929428	1.00000000	-0.62979559	0.99993172
0.62103004	0.62142535	0.60238733	-0.62979559	1.00000000	-0.62120501
-0.99999998	-0.99999996	-0.99966174	0.99993172	-0.62120501	1.00000000