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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239227122358658 5.453e-08  
a 2.556930712047083 1.5455e-08 AU
q 2.240068923211025 1.413e-07 AU
i 14.31789031530804 5.2028e-06 deg
node 207.8476732685147 2.514e-05 deg
peri 69.85664716832692 3.4151e-05 deg
M 228.7072703047587 2.4725e-05 deg
tp 2457545.146909122412
(2016-Jun-05.64690912)
0.00010399 JED
period 1493.402473535249
4.09
1.354e-05
3.707e-08
d
yr
n .241060267663674 2.1856e-09 deg/d
Q 2.873792500883142 1.737e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1147  
   data-arc span      26693 days (73.08 yr)  
   first obs. used      1942-04-11  
   last obs. used      2015-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47216  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:44:31  

Additional Information
 Earth MOID = 1.27151 AU 
 T_jup = 3.383 
[ 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. 2015-July); 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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