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359776 (2011 UM139)
Classification: Main-belt Asteroid          SPK-ID: 2359776
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04606243842741283 7.0091e-08  
a 2.763990002801763 5.8761e-08 au
q 2.636673883483722 2.2344e-07 au
i 5.527431488316206 8.729e-06 deg
node 228.211149415096 9.3193e-05 deg
peri 204.5870560001107 0.00016932 deg
M 292.9838185086485 0.00015108 deg
tp 2459312.949839930013
(2021-Apr-08.44983993)
0.00071095 TDB
period 1678.429595236197
4.60
5.3524e-05
1.465e-07
d
yr
n .2144862084306486 6.8398e-09 deg/d
Q 2.891306122119804 6.1467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      7470 days (20.45 yr)  
   first obs. used      1997-11-02  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65298  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:24:56  

Additional Information
 Earth MOID = 1.65202 au 
 Jupiter MOID = 2.26184 au 
 T_jup = 3.332 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO446599  

359776 (2011 UM139)          Discovered 2007-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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