Asteroids with Satellites Database--Johnston's Archive
(2131)
Mayall
compiled by Wm. Robert Johnston
last updated
29 May 2019
--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, Hungaria
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
1.887274522 AU
| |
orbital period P: |
2.592751044 yr
(= 947.0023187 d)
| |
eccentricity e: |
0.111037884
| |
perihelion distance q: |
1.677715553 AU
| |
aphelion distance Q: |
2.096833491 AU
| |
inclination i: |
33.99597521°
| |
argument of perihelion ω: |
38.36404634°
| |
ascending node Ω: |
306.0630878°
| |
mean anomaly M: |
342.0508634°
| |
perihelion passage TP: |
2014 Jul 09.2163
| |
Epoch: |
2014 May 23
| |
data arc: |
1975-2013
(756 obs.)
| |
Earth MOID: |
0.693214 AU
| |
Jupiter Tisserand invariant TJ: |
3.75
|
orbital data, secondary:
|
binary dynamical type: | A [L15a] | |
semimajor axis as: |
18
km
[*E]
| |
separation/primary radius as/rp: | 4.4 [*E] | |
separation/Hill radius as/rH: | 0.017 [*E] | |
orbital period Ps: |
0.9783
± 0.0004
d [W10c]
| |
eccentricity es: |
<0.2
[P16d]
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
12.72
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
8.56
± 0.07
km [M11b]
| |
geometric albedo: |
0.198
± 0.034
[M11b]
| |
color index U-B: |
0.45
[JPL]
| |
color index B-V: |
0.871
[JPL]
| |
taxonomic type: |
S (SMASSII) [JPL]
S (Tholen) [JPL]
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
1100 km [*E]
|
other data, primary:
|
diameter dp: |
8.2
± 0.07
km [*D]
| |
rotation period RPp: |
2.568
± 0
h [W10c]
| |
amplitude in mag., rotational ΔM: |
0.09
± 0.02
[W07a]
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
2.46
km [*D]
| |
diameter ratio ds/dp: |
0.3
[P16d]
| |
component mag. difference ΔM: |
2.6
[*D]
| |
rotation period RPs: |
?
| |
|
|
--
(2131) Mayall
--discovery and notes:
Primary discovered
1975 Sep 03
from
Lick Observatory, Mount Hamilton, California, USA
by
A. R. Klemola.
Alternate designation(s):
1975 RA
.
Permanent number assigned 1979.
Named 1981 Mar 01 for Nicholas U. Mayall (1906-1993) [MPC005848].
Companion discovered
2009 Nov 30
using
lightcurve
observations.
Announced
2009 Dec 31.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Warner, Brian D., Pravec, Petr, Kusnirak, Peter, Hornoch, K., Harris, Alan, Stephens, Robert D., Casulli, Silvano, Cooney, Walter R., Jr., Gross, John, Terrell, Dirk, Durkee, Russ, Gajdos, Stefan, Galad, Adrian, Kornos, Leonard, Toth, Juraj, Vilagi, Josef, Husarik, Marek, Marchis, Franck, Reiss, A. E., Polishook, David, Roy, Rene, Behrend, Raoul, Pollock, Joseph, Reichart, Daniel, Ivarsen, Kevin, Haislip, Josh, Lacluyze, Aaron, Nysewander, Melissa, Pray, Donald P., & Vachier, Fred 2010, Minor Planet Bulletin A Trio of Hungaria Binary Asteroids
- Warner, B. 2009, Central Bureau Electronic Telegrams (2131) Mayall
- Warner, B., Pravec, P., Kusnirak, P., Hornoch, K., Vilagi, J., Kornos, L., Gajdos, S., Veres, P., Galad, A., Cooney, W., Gross, J., Terrell, D., Krugly, Yu., & Chiorny, V. 2009, Central Bureau Electronic Telegrams (2131) Mayall
- Warner, Brian D., Stephens, Robert D., Higgins, David, & Pravec, Petr 2007, Minor Planet Bulletin The Lightcurve of 2131 Mayall in 2006
- Warner, Brian D. 2005, Minor Planet Bulletin Asteroid lightcurve analysis at the Palmer Divide Observatory - winter 2004-2005
- Bus, S. & Binzel, R. P. 2004, NASA Planetary Data System 2131 Mayall CCD Spectrum
©
2010-2014, 2019
by Wm. Robert Johnston.
Last modified
29 May 2019.
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