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JPL Small-Body Database Browser
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390038 (2012 UM56)
Classification: Main-belt Asteroid          SPK-ID: 2390038
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04754087369995606 1.0094e-07  
a 2.711410334946848 3.4711e-08 au
q 2.582507518664384 2.6335e-07 au
i 4.009336697524556 7.8939e-06 deg
node 250.013723095538 0.00013789 deg
peri 314.6042740376758 0.00016379 deg
M 2.629901100525986 8.3135e-05 deg
tp 2458588.586806014592
(2019-Apr-15.08680601)
0.00037672 TDB
period 1630.764683086091
4.46
3.1316e-05
8.574e-08
d
yr
n .2207553325957053 4.2392e-09 deg/d
Q 2.840313151229312 3.6362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      8945 days (24.49 yr)  
   first obs. used      1994-10-28  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .634  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:51:49  

Additional Information
 Earth MOID = 1.57964 au 
 Jupiter MOID = 2.13673 au 
 T_jup = 3.358 
[ 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 16.6   n/a MPO434434  

390038 (2012 UM56)          Discovered 2005-Jan-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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