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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2030658289668116 8.8638e-08  
a 2.730281226715041 2.5111e-08 au
q 2.175854406099628 2.4399e-07 au
i 14.49012271070154 8.4066e-06 deg
node 82.77557004100743 2.7949e-05 deg
peri 335.7925324370722 3.1948e-05 deg
M 291.7322008180543 1.9927e-05 deg
tp 2457912.980486972694
(2017-Jun-08.48048697)
9.434e-05 JED
period 1647.818981396428
4.51
2.2733e-05
6.224e-08
d
yr
n .2184705990550743 3.0139e-09 deg/d
Q 3.284708047330454 3.021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      719  
   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      .50265  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 00:27:23  

Additional Information
 Earth MOID = 1.19522 au 
 Jupiter MOID = 2.06759 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. 2016-February); 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. (2016) 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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