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180280 (2003 WO73)
Classification: Main-belt Asteroid          SPK-ID: 2180280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2112442512929108 5.7634e-08  
a 2.222421464164499 7.901e-09 au
q 1.752947705909775 1.2886e-07 au
i 2.259128259334292 6.1187e-06 deg
node 352.5772903672574 9.5997e-05 deg
peri 351.7501168193812 9.6441e-05 deg
M 116.1052255049716 1.0889e-05 deg
tp 2458810.210087422936
(2019-Nov-22.71008742)
3.5445e-05 TDB
period 1210.146812227041
3.31
6.4533e-06
1.767e-08
d
yr
n .2974845666349272 1.5864e-09 deg/d
Q 2.691895222419224 9.57e-09 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      8918 days (24.42 yr)  
   first obs. used      1996-08-19  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:43:06  

Additional Information
 Earth MOID = .743618 au 
 Jupiter MOID = 2.71662 au 
 T_jup = 3.618 
[ 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 16.8   n/a MPO436891  
rotation period rot_per 3.72 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

180280 (2003 WO73)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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