Asteroids with Satellites Database--Johnston's Archive
2013 RJ124
compiled by Wm. Robert Johnston
last updated
15 April 2023
--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:
TNO, Cubewano
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
44.2268 AU
| |
orbital period P: |
294.128 yr
(= 107430 d)
| |
eccentricity e: |
0.05743
| |
perihelion distance q: |
41.687 AU
| |
aphelion distance Q: |
46.7669 AU
| |
inclination i: |
4.044879°
| |
argument of perihelion ω: |
163.29°
| |
ascending node Ω: |
111.078°
| |
mean anomaly M: |
107.8°
| |
perihelion passage TP: |
1935 Jan 28
| |
Epoch: |
2023 Feb 25
| |
data arc: |
2013-2020
(32 obs.)
| |
Earth MOID: |
40.67 AU
| |
Jupiter Tisserand invariant TJ: |
5.924
|
| Neptune Tisserand invariant TN: | 3.095 [*D] |
orbital data, secondary:
|
semimajor axis as: |
34900
± 5300 km
[B23i]
| |
separation/primary radius as/rp: | 400 [*E] | |
separation/Hill radius as/rH: | 0.086 [*E] | |
orbital period Ps: |
1850
± 270
d [B23i]
| |
eccentricity es: |
0.14
± 0.11
[B23i]
| |
inclination is: | 90° ± 14.5° [B23i] | |
ascending node Ωs: | 103° ± 44.5° [B23i] | |
argument of pericenter ωs: | 152° ± 103° [B23i] | |
mean anomaly M: | 38° ± 73° [B23i] | |
Epoch: | 2013 Sep 10.355 | |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
6.38
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
175
km [*E]
| |
geometric albedo: |
(0.16
) [*A]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
1x1018
± 2.5x1017
kg [B23i]
| |
density ρ: |
(0.5
g/cm3) [*A]
| |
Hill radius rH: |
410000 km [*E]
|
other data, primary:
|
diameter dp: |
175
km [*E]
| |
rotation period RPp: |
?
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
?
| |
diameter ratio ds/dp: |
?
| |
component mag. difference ΔM: |
?
| |
rotation period RPs: |
?
| |
|
|
--
2013 RJ124
--discovery and notes:
Primary discovered
2013 Sep 10
from
Cerro Tololo Observatory, La Serena, Chile
by
?.
Companion discovered
2013 Sep 10
by P. H. Bernardinelli et al.
using
observations from Cerro Tololo Inter-American Observatory, La Serena, Chile.
Announced
2023 Apr 06 [B23i].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2023
by Wm. Robert Johnston.
Last modified
15 April 2023.
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