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392845 (2012 UD38)
Classification: Main-belt Asteroid          SPK-ID: 2392845
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 .1120170150049761 5.8357e-08  
a 2.314978416202931 1.6386e-08 au
q 2.055661444218932 1.3995e-07 au
i 4.591353607138402 7.4983e-06 deg
node 344.7563855330827 8.6453e-05 deg
peri 96.12183483593644 0.00010296 deg
M 20.08295212747295 4.7787e-05 deg
tp 2458928.729842642183
(2020-Mar-20.22984264)
0.00017078 TDB
period 1286.52682557907
3.52
1.3659e-05
3.74e-08
d
yr
n .2798231586332939 2.9709e-09 deg/d
Q 2.574295388186931 1.8221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      8684 days (23.78 yr)  
   first obs. used      1996-02-15  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58561  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:34:39  

Additional Information
 Earth MOID = 1.07744 au 
 Jupiter MOID = 2.61396 au 
 T_jup = 3.569 
[ 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 17.6   n/a MPO503476  

392845 (2012 UD38)          Discovered 2005-Oct-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 UD38 = 2005 UQ342 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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