Asteroids with Satellites Database--Johnston's Archive

(152931) 2000 EA107

compiled by Wm. Robert Johnston
last updated 9 October 2021

--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 [M**]
geometric albedo: 0.237 ± 0.041 [M**]
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 [M**]
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 by Wm. Robert Johnston.
Last modified 9 October 2021.
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