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392387 (2010 JW77)
Classification: Main-belt Asteroid          SPK-ID: 2392387
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04230314554633038 4.9895e-08  
a 2.607729473665828 2.4676e-08 au
q 2.497414314195887 1.4137e-07 au
i 6.33965909033644 6.0351e-06 deg
node 209.6420017710894 4.4024e-05 deg
peri 278.3008938491136 8.867e-05 deg
M 237.5949343742025 7.7316e-05 deg
tp 2459523.484864845531
(2021-Nov-04.98486485)		 0.00032942 TDB
period 1538.12712228726
4.21		 2.1832e-05
5.977e-08		 d
yr
n .2340508757589976 3.3221e-09 deg/d
Q 2.718044633135769 2.572e-08 au
   Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      8592 days (23.52 yr)  
   first obs. used      1997-05-08  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:12:13  

Additional Information
 Earth MOID = 1.52154 au 
 Jupiter MOID = 2.30465 au 
 T_jup = 3.401 
[ 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 16.6   n/a MPO437606  

392387 (2010 JW77)          Discovered 2003-Oct-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2010 JW77 = 2003 TR28 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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