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3637 O'Meara (1984 UQ)
Classification: Main-belt Asteroid          SPK-ID: 2003637
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239198365778915 5.443e-08  
a 2.555347988046875 1.5233e-08 au
q 2.238689682968462 1.4124e-07 au
i 14.3273050522823 5.1906e-06 deg
node 207.80412278 2.5083e-05 deg
peri 70.27506918705144 3.4106e-05 deg
M 13.05386951247273 2.5077e-05 deg
tp 2457546.398380018373
(2016-Jun-06.89838002)
0.00010379 JED
period 1492.016078050744
4.08
1.3341e-05
3.653e-08
d
yr
n .241284263149714 2.1575e-09 deg/d
Q 2.872006293125287 1.7121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1153  
   data-arc span      27023 days (73.98 yr)  
   first obs. used      1942-04-11  
   last obs. used      2016-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47176  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:44:46  

Additional Information
 Earth MOID = 1.26896 au 
 Jupiter MOID = 2.26932 au 
 T_jup = 3.384 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.6 mag n/a MPO250239  
diameter diameter 13.10 km 2.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 5.49 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.1488   0.057 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

3637 O'Meara (1984 UQ)          Discovered 1984-Oct-23 by Skiff, B. A. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 UQ = 1942 GB = 1942 GX = 1946 GD = 1950 HU = 1959 OA = 1972 TJ2 = 1983 HF1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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