NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 1998SD15 ∴ Orbital info ∴ Epoch 60400 MJD

(162117) 1998SD15 ▹

ORBITAL INFORMATION

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(ASCII data file 162117.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	0.932586	3.024e-09	au
e	0.344892	1.653e-07
i	26.797	1.454e-05	deg
Ω	183.92	3.773e-06	deg
ω	35.855	1.143e-05	deg
M	228.114	2.997e-05	deg

Non-gravitational parameters
	Value	1-σ variation	Units
A₁	N/A	N/A	au/day²
A₂	-1.703e-14	3.791e-15	au/day²

Other useful info
Absolute Magnitude (H)	19.1	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.6109	au
Aphelion distance	1.2542	au
Asc. node-Earth separation	-0.35488	au
Desc. node-Earth separation	0.13873	au
Earth MOID	0.11124	au
Orbital period	328.952	days
Date of orbit computation	feb 26 10:21

Covariance matrix
9.14725193E-18	-7.64044698E-17	-5.70180831E-15	4.80913207E-16	3.09697440E-15	-3.19014146E-14	1.13452650E-13
-7.64044698E-17	2.73108870E-14	1.10698211E-12	-2.65298973E-13	8.10714114E-13	-3.81427375E-12	3.13537608E-13
-5.70180831E-15	1.10698211E-12	2.11447207E-10	-2.89926313E-11	-1.64639635E-11	-6.69467080E-11	4.86456329E-11
4.80913207E-16	-2.65298973E-13	-2.89926313E-11	1.42391986E-11	-1.33628902E-11	3.24898635E-11	1.07032508E-12
3.09697440E-15	8.10714114E-13	-1.64639635E-11	-1.33628902E-11	1.30689149E-10	-2.60078324E-10	3.76747381E-11
-3.19014146E-14	-3.81427375E-12	-6.69467080E-11	3.24898635E-11	-2.60078324E-10	8.98238691E-10	-3.53236210E-10
1.13452650E-13	3.13537608E-13	4.86456329E-11	1.07032508E-12	3.76747381E-11	-3.53236210E-10	1.43751550E-09

Correlation matrix
1.00000000	-0.15286411	-0.12964815	0.04213846	0.08957205	-0.35194009	0.98937984
-0.15286411	1.00000000	0.46065069	-0.42542685	0.42912129	-0.77010169	0.05003979
-0.12964815	0.46065069	1.00000000	-0.52837697	-0.09904069	-0.15361456	0.08823413
0.04213846	-0.42542685	-0.52837697	1.00000000	-0.30976893	0.28728254	0.00748112
0.08957205	0.42912129	-0.09904069	-0.30976893	1.00000000	-0.75908169	0.08692090
-0.35194009	-0.77010169	-0.15361456	0.28728254	-0.75908169	1.00000000	-0.31085873
0.98937984	0.05003979	0.08823413	0.00748112	0.08692090	-0.31085873	1.00000000