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69377 (1994 WJ3)
Classification: Main-belt Asteroid          SPK-ID: 2069377
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2031510624167064 8.9412e-08  
a 2.729910596883483 2.5139e-08 au
q 2.175326358823979 2.4614e-07 au
i 14.49136480347448 8.4847e-06 deg
node 82.78013370779131 2.8281e-05 deg
peri 335.8262701457898 3.2352e-05 deg
M 248.0013129238061 1.9617e-05 deg
tp 2457913.044401679064
(2017-Jun-08.54440168)
9.4847e-05 JED
period 1647.483460934992
4.51
2.2757e-05
6.231e-08
d
yr
n .2185150919789448 3.0183e-09 deg/d
Q 3.284494834942989 3.0246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      1994-11-27  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50283  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 16:28:00  

Additional Information
 Earth MOID = 1.19542 au 
 Jupiter MOID = 2.06926 au 
 T_jup = 3.279 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO337787  
rotation period rot_per 4.2619 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

69377 (1994 WJ3)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 WJ3 = 1999 XT180 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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