Asteroids with Satellites Database--Johnston's Archive
(523983)
1999 RY214
compiled by Wm. Robert Johnston
last updated
27 May 2019
--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: |
44.938 AU
|
orbital period P: |
301.246 yr (= 110033.2 d)
|
eccentricity e: |
0.17523
|
perihelion distance q: |
37.064 AU
|
aphelion distance Q: |
52.813 AU
|
inclination i: |
13.68637°
|
argument of perihelion ω: |
69.9965°
|
ascending node Ω: |
327.23624°
|
mean anomaly M: |
4.084°
|
perihelion passage TP: |
2015 Nov 25.7
|
Epoch: |
2019 Apr 27
|
data arc: |
1999-2018
(29 obs.)
|
Earth MOID: |
36.0963 AU
|
Jupiter Tisserand invariant TJ: |
5.738
|
Neptune Tisserand invariant TN: | 3.008 [*D] |
orbital data, secondary:
semimajor axis as: |
1500
± 200 km
(separation)
[N09b]
|
separation/primary radius as/rp: | 24 [*E] |
separation/Hill radius as/rH: | 0.0046 [*E] |
orbital period Ps: |
15
d [*E]
|
eccentricity es: |
?
|
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
absolute mag. H: |
7.4
[MPC]
|
slope parameter G: |
(0.15) [*A]
|
effective diameter dE: |
146
km [*E]
|
geometric albedo: |
(0.09
) [*A]
|
color index U-B: |
?
|
color index B-V: |
0.693
[P04a]
|
color index V-R: | 0.55 ± 0.065 [P04a] |
color index B-R: | 1.258 ± 0.085 [P04a] |
color index V-I: | 1.11 [P04a] |
taxonomic type: |
?
|
mass m: |
?
|
density ρ: |
(1
g/cm3) [*A]
|
Hill radius rH: |
330000 km [*E]
|
other data, primary:
diameter dp: |
125
km [*E]
|
rotation period RPp: |
?
|
amplitude in mag., rotational ΔM: |
?
|
pole direction Β, λ: |
?
,
?
|
other data, secondary:
diameter ds: |
76
km [*E]
|
diameter ratio ds/dp: |
0.605
[N09b]
|
component mag. difference ΔM: |
1.09
[N09b]
|
rotation period RPs: |
?
|
|
|
--
(523983) 1999 RY214
--discovery and notes:
Primary discovered
1999 Sep 06
from
Mauna Kea Observatory, Hawaii, USA
by
D. C. Jewitt, J. X. Luu, and C. A. Trujillo.
Permanent number assigned 2019 May 18.
Companion discovered
2008 Sep 20
by K. S. Noll, W. M. Grundy, S. D. Benecchi, and H. A. Levison
using
Hubble Space Telescope
observations from Hubble Space Telescope.
Announced
2009 Sep 24 [N09b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Noll, K. S., Grundy, W. M., Benecchi, S. D., & Levison, H. A. 2009, International Astronomical Union Circular 1999 XY_143, 1999 RY_214, and 2002 VT_130
©
2009-2014, 2019
by Wm. Robert Johnston.
Last modified
27 May 2019.
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