NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2017AD21 ∴ Orbital info ∴ Epoch 57757 MJD

2017AD21 ▹

ORBITAL INFORMATION

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(ASCII data file 2017AD21.eq0)

Keplerian elements
(Epoch 57757.4 MJD)
	Value	1-σ variation	Units
a	1.42223	0.04315	au
e	0.285215	0.02406
i	3.204	0.2468	deg
Ω	263.121	2.043	deg
ω	183.424	3.743	deg
M	10.381	0.3245	deg

Other useful info
Absolute Magnitude (H)	27.0	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0166	au
Aphelion distance	1.8279	au
Asc. node-Earth separation	0.81057	au
Desc. node-Earth separation	0.03258	au
Earth MOID	0.03249	au
Orbital period	619.518	days
Date of orbit computation	Jul 29 11:52

Covariance matrix
1.86161505E-03	1.03768004E-03	1.06390989E-02	8.63520247E-02	-1.58276710E-01	1.25248391E-02
1.03768004E-03	5.79089072E-04	5.93838450E-03	4.84712342E-02	-8.88367725E-02	7.10088663E-03
1.06390989E-02	5.93838450E-03	6.08982079E-02	4.97520985E-01	-9.11830982E-01	7.30004125E-02
8.63520247E-02	4.84712342E-02	4.97520985E-01	4.17401751E+00	-7.64700407E+00	6.40543807E-01
-1.58276710E-01	-8.88367725E-02	-9.11830982E-01	-7.64700407E+00	1.40097625E+01	-1.17277748E+00
1.25248391E-02	7.10088663E-03	7.30004125E-02	6.40543807E-01	-1.17277748E+00	1.05324239E-01

Correlation matrix
1.00000000	0.99941493	0.99921201	0.97960378	-0.98006907	0.89446437
0.99941493	1.00000000	0.99998474	0.98590316	-0.98629016	0.90923413
0.99921201	0.99998474	1.00000000	0.98680653	-0.98718080	0.91150466
0.97960378	0.98590316	0.98680653	1.00000000	-0.99999724	0.96606765
-0.98006907	-0.98629016	-0.98718080	-0.99999724	1.00000000	-0.96546396
0.89446437	0.90923413	0.91150466	0.96606765	-0.96546396	1.00000000