Asteroids with Satellites Database--Johnston's Archive
2014 OS393
compiled by Wm. Robert Johnston
last updated
23 January 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:
TNO, Cubewano
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
43.94 AU
| |
orbital period P: |
291.3 yr
(= 106394 d)
| |
eccentricity e: |
0.03
| |
perihelion distance q: |
42.5 AU
| |
aphelion distance Q: |
45.35 AU
| |
inclination i: |
3.815°
| |
argument of perihelion ω: |
79°
| |
ascending node Ω: |
138.21°
| |
mean anomaly M: |
60°
| |
perihelion passage TP: |
1965 Sep 05
| |
Epoch: |
2022 Jan 21
| |
data arc: |
2014 Jun-Oct
(19 obs.)
| |
Earth MOID: |
41.5301 AU
| |
Jupiter Tisserand invariant TJ: |
5.915
|
| Neptune Tisserand invariant TN: | 3.096 [*D] |
orbital data, secondary:
|
semimajor axis as: |
150
km
(separation)
[W22b]
| |
separation/primary radius as/rp: | 10 [*E] | |
separation/Hill radius as/rH: | 0.0014 [*E] | |
orbital period Ps: |
1.5
d [W22b]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
10.1
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
42
km [*E]
| |
geometric albedo: |
(0.09
) [*A]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1
g/cm3) [*A]
| |
Hill radius rH: |
110000 km [*E]
|
other data, primary:
|
diameter dp: |
30
km [*E]
| |
rotation period RPp: |
36
h [W22b]
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
30
km [*E]
| |
diameter ratio ds/dp: |
1
[*D]
| |
component mag. difference ΔM: |
0
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
2014 OS393
--discovery and notes:
Primary discovered
2014 Jul 30
from
Hubble Space Telescope
by
?.
Linked to prediscovery observations from 2014 Jun 25.
Companion discovered
2019 Jan 05
by H. A. Weaver, S. B. Porter, J. R. Spencer, and New Horizons Science Team
using
observations from New Horizons.
Announced
2022 Jan 16 [W22b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2022
by Wm. Robert Johnston.
Last modified
23 January 2022.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.