Asteroids with Satellites Database--Johnston's Archive
(620082)
2014 QL433
compiled by Wm. Robert Johnston
last updated
16 August 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:
NEA, Apollo
(PHA)
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
2.090202254 AU
| |
orbital period P: |
3.021973628 yr
(= 1103.775867 d)
| |
eccentricity e: |
0.71767202
| |
perihelion distance q: |
0.59012257 AU
| |
aphelion distance Q: |
3.590281935 AU
| |
inclination i: |
4.43338°
| |
argument of perihelion ω: |
260.423098°
| |
ascending node Ω: |
322.780166°
| |
mean anomaly M: |
28.4538022°
| |
perihelion passage TP: |
2023 Jun 17.759388
| |
Epoch: |
2023 Sep 13
| |
data arc: |
2014-2020
(223 obs.)
| |
Earth MOID: |
0.00984459 AU
| |
Jupiter Tisserand invariant TJ: |
3.369
|
orbital data, secondary:
|
semimajor axis as: |
0.48
± 0.03 km
[B23n]
| |
separation/primary radius as/rp: | 3.2 [*D] | |
separation/Hill radius as/rH: | 0.029 [*E] | |
orbital period Ps: |
0.477
± 0.01
d [B23n]
| |
eccentricity es: |
0.0
[B23n]
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
19.87
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
0.34
km [*D]
| |
geometric albedo: |
0.17
[*D]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
3.8x1010
± 7x109
kg [B23n]
| |
density ρ: |
2.4
g/cm3[*D]
| |
Hill radius rH: |
16 km [*E]
|
other data, primary:
|
diameter dp: |
0.3
km [B23n]
| |
rotation period RPp: |
?
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
0.15
km [B23n]
| |
diameter ratio ds/dp: |
0.5
[*D]
| |
component mag. difference ΔM: |
1.5
[*D]
| |
rotation period RPs: |
11.45
± 0.25
h [B23n]
| |
|
|
--
(620082) 2014 QL433
--discovery and notes:
Primary discovered
2014 Aug 31
from
Haleakala, Hawaii, USA
by
PanSTARRS 1 program.
Linked to prediscovery observations from 2014 Aug 29.
Permanent number assigned 2023 Apr 07.
Companion discovered
2023 Aug 03
by L. A. M. Benner et al.
using
radar
observations from Goldstone Observatory, California, USA.
Announced
2023 Aug 04 [B23m].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2023
by Wm. Robert Johnston.
Last modified
16 August 2023.
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