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91357 (1999 JA65)
Classification: Main-belt Asteroid          SPK-ID: 2091357
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509572304379269 6.1587e-08  
a 2.682193582231205 1.5248e-08 au
q 2.2772970675592 1.7038e-07 au
i 13.76415734369859 4.4487e-06 deg
node 64.66177041945436 1.9262e-05 deg
peri 115.4033619733089 2.429e-05 deg
M 329.8579382553381 1.3316e-05 deg
tp 2459134.839602764697
(2020-Oct-12.33960276)
5.9533e-05 TDB
period 1604.477404531083
4.39
1.3682e-05
3.746e-08
d
yr
n .2243721220276156 1.9133e-09 deg/d
Q 3.08709009690321 1.755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5806  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:28:31  

Additional Information
 Earth MOID = 1.31549 au 
 Jupiter MOID = 1.98467 au 
 T_jup = 3.319 
[ 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 14.8   n/a MPO453353  

91357 (1999 JA65)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 JA65 = 2001 UR14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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