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180231 (2003 UD149)
Classification: Main-belt Asteroid          SPK-ID: 2180231
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08136384352468524 4.9783e-08  
a 2.263915535231574 8.485e-09 au
q 2.079714665869888 1.1386e-07 au
i 5.875332330210941 5.3567e-06 deg
node 227.3863149588267 2.9135e-05 deg
peri 185.1886219679568 3.5656e-05 deg
M .6710692087534754 1.9747e-05 deg
tp 2459198.180717944867
(2020-Dec-14.68071795)		 6.825e-05 TDB
period 1244.195872730837
3.41		 6.9947e-06
1.915e-08		 d
yr
n .2893435092417161 1.6267e-09 deg/d
Q 2.44811640459326 9.1754e-09 au
   Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      6315 days (17.29 yr)  
   first obs. used      2003-10-19  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52714  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:40  

Additional Information
 Earth MOID = 1.08963 au 
 Jupiter MOID = 2.81362 au 
 T_jup = 3.606 
[ 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 16.6   n/a MPO436891  

180231 (2003 UD149)          Discovered 2003-Oct-19 by NEAT at Haleakala
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2003 UD149 = 2005 GX207 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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