Asteroids with Satellites Database--Johnston's Archive
(119951)
2002 KX14
compiled by Wm. Robert Johnston
last updated
24 May 2026
--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: |
38.62213 AU
| |
orbital period P: |
240.0283 yr (= 87670.3 d)
| |
eccentricity e: |
0.0447707
| |
perihelion distance q: |
36.89299 AU
| |
aphelion distance Q: |
40.35127 AU
| |
inclination i: |
0.406581°
| |
argument of perihelion ω: |
79.041°
| |
ascending node Ω: |
286.6683°
| |
mean anomaly M: |
268.96°
| |
perihelion passage TP: |
2086 Aug 03.8
| |
Epoch: |
2025 Nov 21
| |
data arc: |
1984-2023
(250 obs.)
| |
Earth MOID: |
35.8905 AU
| |
Jupiter Tisserand invariant TJ: |
5.578
|
| Neptune Tisserand invariant TN: | 3.043 [*D] |
orbital data, secondary:
|
semimajor axis as: |
?
| |
orbital period Ps: |
?
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
4.71
[MPC]
4.978 ± 0.017 [G26b]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
455
± 27
km [R25c]
| |
geometric albedo: |
0.097
± 0.014/0.013
[R25c]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1
g/cm3) [*A]
| |
Hill radius rH: |
1030000 km [*E]
|
other data, primary:
|
diameter dp: |
389.2
± 8.7
km [R25c]
| |
dimensions : | 482 x 314 km [R25c] | |
axial ratios a/b, b/c: | 1.53, ? [*D] | |
geometric albedo : | 0.119± 0.007[R25c] | |
rotation period RPp: |
?
| |
amplitude in mag., rotational ΔM: |
<0.05
[G26b]
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
251
± 65/57
km [G26b]
| |
diameter ratio ds/dp: |
0.64
± 0.17
[*D]
| |
component mag. difference ΔM: |
0.95
± 0.58
[*D]
| |
geometric albedo : | 0.084± 0.011[0.013] | |
rotation period RPs: |
?
| |
|
|
--
(119951) 2002 KX14
--discovery and notes:
Primary discovered
2002 May 17
from
Palomar Observatory, California, USA
by
C. A. Trujillo and M. E. Brown.
Linked to prediscovery observations from 1984 May 31.
Permanent number assigned 2005 Nov 16.
Companion discovered
by J. M. Gomez-Limon, R. Leiva, J. L. Ortiz, P. Santos-Sanz, M. Kretlow, Y. Kilic, J. L. Rizos, A. Alvarez-Candal, and T. Muller
using
observations.
Announced
2026 May 22 [G26b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2026
by Wm. Robert Johnston.
Last modified
24 May 2026.
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