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385087 (2012 UB163)
Classification: Main-belt Asteroid          SPK-ID: 2385087
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614797461550064 6.2192e-08  
a 2.548845595682572 1.8444e-08 au
q 2.137258655903444 1.5709e-07 au
i 15.73528510837531 5.9346e-06 deg
node 79.01962535775343 1.7643e-05 deg
peri 176.710924417012 2.4958e-05 deg
M 169.0025262263774 1.6604e-05 deg
tp 2458698.742659834956
(2019-Aug-03.24265984)
6.8428e-05 TDB
period 1486.324779092033
4.07
1.6133e-05
4.417e-08
d
yr
n .2422081667910542 2.629e-09 deg/d
Q 2.960432535461699 2.1422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      8822 days (24.15 yr)  
   first obs. used      1996-11-09  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:03  

Additional Information
 Earth MOID = 1.12254 au 
 Jupiter MOID = 2.1016 au 
 T_jup = 3.371 
[ 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 16.28   n/a MPCxxxxx  

385087 (2012 UB163)          Discovered 1996-Nov-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

Alternate Designations
 2012 UB163 = 1996 VR22 = 2011 MK10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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