Asteroids with Satellites Database--Johnston's Archive
(152931)
2000 EA107
compiled by Wm. Robert Johnston
last updated
30 April 2022
--Orbital and physical data--
(See this page for definitions of quantities; source codes in brackets, see this link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)
dynamical type, primary:
NEA, Aten
orbital data, primary (osculating elements)
[JPL]
:
semimajor axis a: |
0.9297867784 AU
|
orbital period P: |
0.896568036 yr (= 327.4714751 d)
|
eccentricity e: |
0.455774511
|
perihelion distance q: |
0.506013664 AU
|
aphelion distance Q: |
1.3535598926 AU
|
inclination i: |
28.5784241°
|
argument of perihelion ω: |
278.023912°
|
ascending node Ω: |
52.889572°
|
mean anomaly M: |
93.633595°
|
perihelion passage TP: |
2021 Apr 06.826857
|
Epoch: |
2021 Jul 01
|
data arc: |
2000-2020
(1328 obs.)
|
Earth MOID: |
0.161375 AU
|
Jupiter Tisserand invariant TJ: |
6.257
|
orbital data, secondary:
semimajor axis as: |
?
|
orbital period Ps: |
?
|
eccentricity es: |
?
|
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
absolute mag. H: |
16.15
[MPC]
|
slope parameter G: |
(0.15) [*A]
|
effective diameter dE: |
1.65
± 0.04
km [M11d]
|
geometric albedo: |
0.237
± 0.041
[M11d]
|
color index U-B: |
?
|
color index B-V: |
?
|
taxonomic type: |
Q (SMASSII) [JPL]
|
mass m: |
?
|
density ρ: |
(1.6
g/cm3) [*A]
|
Hill radius rH: |
120 km [*E]
|
other data, primary:
diameter dp: |
1.65
± 0.04
km [M11d]
|
rotation period RPp: |
4.1367
± 0.0002
h [S19c]
|
amplitude in mag., rotational ΔM: |
0.29
± 0.02
[S19c]
|
pole direction Β, λ: |
?
,
?
|
other data, secondary:
diameter ds: |
?
|
diameter ratio ds/dp: |
?
|
component mag. difference ΔM: |
?
|
rotation period RPs: |
16.079
± 0.006
h [S19c]
|
|
|
--
(152931) 2000 EA107
--discovery and notes:
Primary discovered
2000 Mar 15
from
Socorro, New Mexico, USA
by
LINEAR Program.
Permanent number assigned 2007 Apr 02.
Companion discovered
2019 Mar
by R. D. Stephens and B. D. Warner
using
lightcurve
observations from Center for Solar System Studies, Landers, California, USA.
Announced
2019 Jun.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2021, 2022
by Wm. Robert Johnston.
Last modified
30 April 2022.
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