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390773 (2003 UR155)
Classification: Main-belt Asteroid          SPK-ID: 2390773
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07264312306944969 6.9242e-08  
a 2.993824740517945 4.0941e-08 au
q 2.776343961444137 1.9413e-07 au
i 10.43527866968897 7.2902e-06 deg
node 51.04605612525118 3.6217e-05 deg
peri 314.0791783646388 6.1023e-05 deg
M 89.2044489008977 4.8637e-05 deg
tp 2458531.662868484350
(2019-Feb-17.16286848)
0.00025488 TDB
period 1892.073427112844
5.18
3.8811e-05
1.063e-07
d
yr
n .1902674572991239 3.9029e-09 deg/d
Q 3.211305519591753 4.3915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      2003-10-05  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5745  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:38:28  

Additional Information
 Earth MOID = 1.78807 au 
 Jupiter MOID = 2.16863 au 
 T_jup = 3.226 
[ 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 15.7   n/a MPO455776  

390773 (2003 UR155)          Discovered 2003-Oct-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2003 UR155 = 2013 QV94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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