Asteroids with Satellites Database--Johnston's Archive
(11934)
Lundgren
compiled by Wm. Robert Johnston
last updated
1 March 2025
--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
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
2.5453376363 AU
| |
orbital period P: |
4.0609374581 yr
(= 1483.2574066 d)
| |
eccentricity e: |
0.13594727948
| |
perihelion distance q: |
2.1993059093 AU
| |
aphelion distance Q: |
2.8913693633 AU
| |
inclination i: |
2.162701864°
| |
argument of perihelion ω: |
295.20101715°
| |
ascending node Ω: |
138.51612482°
| |
mean anomaly M: |
59.21135956°
| |
perihelion passage TP: |
2024 Sep 03.0397566
| |
Epoch: |
2025 May 05
| |
data arc: |
1991-2025
(3373 obs.)
| |
Earth MOID: |
1.21468 AU
| |
Jupiter Tisserand invariant TJ: |
3.429
|
orbital data, secondary:
|
semimajor axis as: |
7.7
km
[*E]
| |
separation/primary radius as/rp: | 4.0 [*E] | |
separation/Hill radius as/rH: | 0.011 [*E] | |
orbital period Ps: |
0.7755
± 0.00008
d [C25a]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
14.13
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
4.0
km [*E]
| |
geometric albedo: |
(0.24
) [*A]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
color index J-H: | 1.019 [S10b] | |
taxonomic type: |
| |
mass m: |
?
| |
density ρ: |
(2
g/cm3) [*A]
| |
Hill radius rH: |
710 km [*E]
|
other data, primary:
|
diameter dp: |
3.8
km [*E]
| |
axial ratios a/b, b/c: | 1.18032063565173, ? [*E] | |
rotation period RPp: |
3.0822
± 0.0001
h [C25a]
| |
amplitude in mag., rotational ΔM: |
0.18
[C25a]
| |
amplitude in mag., mutual events ΔM: | 0.165 ±0.035 [C25a] | |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
1.3
km [*E]
| |
diameter ratio ds/dp: |
>0.35
[C25a]
| |
component mag. difference ΔM: |
<2.3
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(11934) Lundgren
--discovery and notes:
Primary discovered
1993 Mar 17
from
European Southern Observatory, La Silla, Chile
by
Uppsala-ESO Survey of Asteroids and Comets.
Alternate designation(s):
1993 FL4,
1995 SU29.
Linked to prediscovery observations from 1991 Oct 07.
Permanent number assigned 1999 Oct 26.
Named 2011 Feb 18 for Kjell Lundgren (1950-) [MPC073983].
Companion discovered
2025 Feb 02
by M. Conjat, J. F. Gout, D. Augustin, and R. Behrend
using
lightcurve
observations from Nice Observatory, France; Starkville, Mississippi, USA; E-EyE Observatory, Fregenal de la Sierra, Spain.
Announced
2025 Feb 28 [C25a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2025
by Wm. Robert Johnston.
Last modified
1 March 2025.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.