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226531 (2003 UO142)
Classification: Outer Main-belt Asteroid          SPK-ID: 2226531
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02865385269937303 4.5875e-08  
a 3.23103219275549 3.9354e-08 au
q 3.138450672237342 1.4769e-07 au
i 11.59224490114785 6.1878e-06 deg
node 250.3886400938314 2.6853e-05 deg
peri 248.8027751899776 0.00012194 deg
M 210.0871060208435 0.00011673 deg
tp 2459883.878534348579
(2022-Oct-31.37853435)
0.00068659 TDB
period 2121.340359220233
5.81
3.8757e-05
1.061e-07
d
yr
n .1697040262470326 3.1005e-09 deg/d
Q 3.323613713273638 4.0482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      6216 days (17.02 yr)  
   first obs. used      2002-08-15  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55596  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:36  

Additional Information
 Earth MOID = 2.17599 au 
 Jupiter MOID = 1.80467 au 
 T_jup = 3.154 
[ 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 14.9   n/a MPO437074  
diameter diameter 5.753 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226531 (2003 UO142)          Discovered 2003-Oct-18 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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