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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203468389440201 9.0344e-08  
a 2.729136689886843 2.5149e-08 AU
q 2.173843643033406 2.4845e-07 AU
i 14.4939191296218 8.5091e-06 deg
node 82.77933789153109 2.884e-05 deg
peri 335.857436609343 3.2931e-05 deg
M 160.5465037984928 1.8846e-05 deg
tp 2456266.096546298454
(2012-Dec-04.59654630)
7.9909e-05 JED
period 1646.782938757702
4.51
2.2762e-05
6.232e-08
d
yr
n .2186080457401243 3.0217e-09 deg/d
Q 3.28442973674028 3.0265e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      7511 days (20.56 yr)  
   first obs. used      1994-11-27  
   last obs. used      2015-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50338  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:47:06  

Additional Information
 Earth MOID = 1.19442 AU 
 T_jup = 3.280 
[ 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-July); 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., in press.]

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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