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91347 (1999 JL39)
Classification: Main-belt Asteroid          SPK-ID: 2091347
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2436847519419945 3.9843e-08  
a 2.617416639980008 1.3046e-08 au
q 1.979592115337631 1.0781e-07 au
i 4.460761524003611 5.7974e-06 deg
node 30.09569692811082 5.4294e-05 deg
peri 279.111630784003 5.5938e-05 deg
M 295.091060920165 1.6629e-05 deg
tp 2459279.375091294795
(2021-Mar-05.87509129)
7.2449e-05 TDB
period 1546.705804922265
4.23
1.1564e-05
3.166e-08
d
yr
n .2327527309035302 1.7402e-09 deg/d
Q 3.255241164622384 1.6225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      7659 days (20.97 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:39:44  

Additional Information
 Earth MOID = .971176 au 
 Jupiter MOID = 2.04507 au 
 T_jup = 3.360 
[ 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 15.4   n/a MPO366275  

91347 (1999 JL39)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 JL39 = 2000 VC26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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