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JPL Small-Body Database Browser
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390028 (2012 UA38)
Classification: Main-belt Asteroid          SPK-ID: 2390028
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05307890117605303 7.9665e-08  
a 2.311902542441374 2.3313e-08 au
q 2.189189295862463 1.9259e-07 au
i 5.018053073098778 8.4499e-06 deg
node 346.2547623252383 6.573e-05 deg
peri 177.9598118571737 8.6243e-05 deg
M 182.1777679208909 5.6854e-05 deg
tp 2459234.714646423116
(2021-Jan-20.21464642)
0.00020481 TDB
period 1283.963596918233
3.52
1.9421e-05
5.317e-08
d
yr
n .2803817809664319 4.241e-09 deg/d
Q 2.434615789020286 2.455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6635 days (18.17 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:24:02  

Additional Information
 Earth MOID = 1.19669 au 
 Jupiter MOID = 2.53656 au 
 T_jup = 3.577 
[ 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 17.5   n/a MPO503472  

390028 (2012 UA38)          Discovered 2007-Mar-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 UA38 = 2007 EM174 = 2008 SO18 = 2010 AW42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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