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390077 (2012 UC128)
Classification: Main-belt Asteroid          SPK-ID: 2390077
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1990140522181092 7.3712e-08  
a 2.996930038448475 6.6459e-08 au
q 2.40049884728267 2.1825e-07 au
i 10.76139869441606 1.1875e-05 deg
node 347.6475094051737 4.6371e-05 deg
peri 92.37610729668484 5.9284e-05 deg
M 136.4884776538019 3.805e-05 deg
tp 2458282.033003796472
(2018-Jun-12.53300380)
0.00018734 TDB
period 1895.01797572482
5.19
6.3035e-05
1.726e-07
d
yr
n .1899718127276891 6.3191e-09 deg/d
Q 3.59336122961428 7.9685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4158 days (11.38 yr)  
   first obs. used      2008-12-31  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60953  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:44:03  

Additional Information
 Earth MOID = 1.44525 au 
 Jupiter MOID = 1.80178 au 
 T_jup = 3.198 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO427944  

390077 (2012 UC128)          Discovered 2008-Dec-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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