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390091 (2012 UA156)
Classification: Main-belt Asteroid          SPK-ID: 2390091
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06473476213376513 1.5743e-07  
a 2.666419702566789 3.8281e-08 au
q 2.493809657372343 4.0909e-07 au
i 15.25243728224331 8.0515e-06 deg
node 19.47131259737453 3.6558e-05 deg
peri 106.9472633544867 7.1477e-05 deg
M 185.8640963301322 6.308e-05 deg
tp 2459769.766844520881
(2022-Jul-09.26684452)
0.00028654 TDB
period 1590.344427491192
4.35
3.4248e-05
9.377e-08
d
yr
n .2263660586832181 4.8748e-09 deg/d
Q 2.839029747761234 4.0759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      6191 days (16.95 yr)  
   first obs. used      2003-09-30  
   last obs. used      2020-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:43:55  

Additional Information
 Earth MOID = 1.55011 au 
 Jupiter MOID = 2.2116 au 
 T_jup = 3.330 
[ 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 16.4   n/a MPO437597  

390091 (2012 UA156)          Discovered 2003-Sep-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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