Asteroids with Satellites Database--Johnston's Archive
(1967)
Menzel
compiled by Wm. Robert Johnston
last updated
24 May 2026
--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: |
2.23300614872 AU
| |
orbital period P: |
3.336899145 yr
(= 1218.8024127 d)
| |
eccentricity e: |
0.1385915929
| |
perihelion distance q: |
1.9235302696 AU
| |
aphelion distance Q: |
2.54248202783 AU
| |
inclination i: |
3.900411494°
| |
argument of perihelion ω: |
347.85500112°
| |
ascending node Ω: |
57.75050258°
| |
mean anomaly M: |
349.68986803°
| |
perihelion passage TP: |
2025 Dec 25.9055937
| |
Epoch: |
2025 Nov 21
| |
data arc: |
1905-2026
(7548 obs.)
| |
Earth MOID: |
0.932484 AU
| |
Jupiter Tisserand invariant TJ: |
3.625
|
orbital data, secondary:
|
semimajor axis as: |
43
km
[*E]
| |
separation/primary radius as/rp: | 9.0 [*E] | |
separation/Hill radius as/rH: | 0.028 [*E] | |
orbital period Ps: |
2.63
d [M24c]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
12.1
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
9.59
± 0.18
km [M19a]
| |
geometric albedo: |
0.251
± 0.07
[M19a]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
color index J-H: | 0.481 ± 0.033 [S10b] | |
taxonomic type: |
S (SMASSII) [X95a]
| |
mass m: |
?
| |
density ρ: |
(2
g/cm3) [*A]
| |
Hill radius rH: |
1500 km [*E]
|
other data, primary:
|
diameter dp: |
9.59
± 0.18
km [M19a]
| |
rotation period RPp: |
2.835
h [M24c]
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
162°
,
40°
[M24c]
|
other data, secondary:
|
diameter ds: |
?
| |
diameter ratio ds/dp: |
?
| |
component mag. difference ΔM: |
?
| |
rotation period RPs: |
?
| |
|
|
--
(1967) Menzel
--discovery and notes:
Primary discovered
1905 Nov 01
from
Heidelberg, Germany
by
M. F. Wolf.
Alternate designation(s):
A905 VC,
1930 DS, 1965 SF, 1965 VH, 1970 EM, 1973 CE, 1975 UH, 1975 VE.
Permanent number assigned -.
Named 1977 Apr 18 for Donald Howard Menzel (1901-1976) [MPC004158].
Companion discovered
2018 Aug
by F. Monteiro, J. Oey, W. Pereira, M. Evangelista-Santana, E. Rondon, P. Arcoverde, J. Michimani, T. Rodrigues, and D. Lazzaro
using
lightcurve
observations from Observatorio Astronomico do Sertao de Itaparica, Brazil; Blue Mountains Observatory, Leura, New South Wales, Australia.
Announced
2024 Jul [M24c].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2026
by Wm. Robert Johnston.
Last modified
24 May 2026.
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