3231 Mila (1972 RU2)
Classification: Main-belt Asteroid SPK-ID: 2003231
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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Orbital Elements at Epoch 2455800.5 (2011-Aug-27.0) TDB
Reference: MPO53553 (heliocentric ecliptic J2000)
Element Value Uncertainty (1-sigma) Units
e 0.1271025 n/a
a 2.4457573 n/a AU
q 2.1348954 n/a AU
i 6.38286 n/a deg
node 324.44929 n/a deg
peri 54.00758 n/a deg
M 38.04952 n/a deg
tp 2455652.8392284
(2011-Apr-01.33922840) n/a JED
period 1397.0709166
3.82 n/a
n/a d
yr
n 0.25768198 n/a deg/d
Q 2.7566192 n/a AU
Orbit Determination Parameters # obs. used (total) 247
first obs. used 1949-??-??
last obs. used 2003-10-22
# oppositions 13
planetary ephem. DE403
condition code 1
fit RMS 0.61
data source MPC:mpn
producer MPCW
Additional Information T_jup = 3.479
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a PDS3 (MPC 17268)
3231 Mila (1972 RU2) Discovered 1972-Sep-04 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DB Last Updated: 2003-08-29
Alternate Designations
1972 RU2 = 1949 QJ1 = 1949 QN1 = 1955 EL = 1972 QJ