Asteroids with Satellites Database--Johnston's Archive
(52316)
Daveslater
compiled by Wm. Robert Johnston
last updated
21 June 2016
--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:
main belt asteroid, inner
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
1.896824832 AU
| |
orbital period P: |
2.612456345 yr
(= 954.1996799 d)
| |
eccentricity e: |
0.06513823
| |
perihelion distance q: |
1.77326902 AU
| |
aphelion distance Q: |
2.020380643 AU
| |
inclination i: |
28.985378°
| |
argument of perihelion ω: |
21.340661°
| |
ascending node Ω: |
79.104127°
| |
mean anomaly M: |
181.803405°
| |
perihelion passage TP: |
2015 Sep 07.3198
| |
Epoch: |
2014 May 23
| |
data arc: |
1953-2013
(458 obs.)
| |
Earth MOID: |
0.794681 AU
| |
Jupiter Tisserand invariant TJ: |
3.797
|
orbital data, secondary:
|
semimajor axis as: |
4.9
km
[*E]
| |
separation/primary radius as/rp: | 3.0 [*E] | |
separation/Hill radius as/rH: | 0.011 [*E] | |
orbital period Ps: |
0.5598
± 0.00017
d [W13c]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
15
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
3.3
km [*E]
| |
geometric albedo: |
(0.16
) [*A]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
450 km [*E]
|
other data, primary:
|
diameter dp: |
3.26
km [*E]
| |
rotation period RPp: |
2.7629
± 0.0003
h [W13c]
| |
amplitude in mag., rotational ΔM: |
0.10
± 0.01
[W13c]
| |
amplitude in mag., mutual events ΔM: | 0.12 [W13c] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
0.52
km [*E]
| |
diameter ratio ds/dp: |
>0.16
± 0.02
[W13c]
| |
component mag. difference ΔM: |
<4.0
± 0.3
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(52316) Daveslater
--discovery and notes:
Primary discovered
1992 Jan 29
from
Kitt Peak Observatory, Arizona, USA
by
Spacewatch.
Alternate designation(s):
1992 BD,
1975 RP2, 1998 KK3.
Linked to prediscovery observations from 1953 Feb 11.
Permanent number assigned 2003 Feb 16.
Companion discovered
2012 Dec 17
by B. D. Warner
using
lightcurve
observations from Palmer Divide Observatory, Colorado Springs, Colorado, USA.
Announced
2013 Mar [W13c].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2013-2014, 2016
by Wm. Robert Johnston.
Last modified
21 June 2016.
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