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120596 (1995 UM12)
Classification: Main-belt Asteroid          SPK-ID: 2120596
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1257064341634917 4.1769e-08  
a 2.673572041335047 1.5988e-08 au
q 2.337486833539611 1.1553e-07 au
i 2.168497861421354 5.4228e-06 deg
node 4.273194965902691 0.00011136 deg
peri 303.5765962199375 0.00011344 deg
M 288.1013814370181 2.3617e-05 deg
tp 2459319.399845348661
(2021-Apr-14.89984535)
0.00010545 TDB
period 1596.747567895922
4.37
1.4323e-05
3.921e-08
d
yr
n .2254583048931034 2.0224e-09 deg/d
Q 3.009657249130484 1.7998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      8959 days (24.53 yr)  
   first obs. used      1995-10-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:38:37  

Additional Information
 Earth MOID = 1.32362 au 
 Jupiter MOID = 2.22115 au 
 T_jup = 3.367 
[ 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 15.8   n/a MPO436582  

120596 (1995 UM12)          Discovered 1995-Oct-17 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1995 UM12 = 1999 RD115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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