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JPL Small-Body Database Browser
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154629 (2003 UM263)
Classification: Outer Main-belt Asteroid          SPK-ID: 2154629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608369700436106 6.6775e-08  
a 3.953739184456292 4.2961e-08 au
q 3.317831753685646 2.5759e-07 au
i 9.41062674055437 7.9039e-06 deg
node 175.770394196866 3.4424e-05 deg
peri 204.9580350033408 3.8578e-05 deg
M 46.58492157585484 1.62e-05 deg
tp 2458628.919153157831
(2019-May-25.41915316)
0.00012824 TDB
period 2871.510787999566
7.86
4.6802e-05
1.281e-07
d
yr
n .1253695446677369 2.0434e-09 deg/d
Q 4.589646615226938 4.9871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      7550 days (20.67 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:03:58  

Additional Information
 Earth MOID = 2.32323 au 
 Jupiter MOID = .89071 au 
 T_jup = 3.014 
[ 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 14.5   n/a MPO454004  

154629 (2003 UM263)          Discovered 2003-Oct-27 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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