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91349 (1999 JR51)
Classification: Main-belt Asteroid          SPK-ID: 2091349
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1740974074960921 3.4424e-08  
a 2.363222867935652 8.9141e-09 au
q 1.951791893292576 8.091e-08 au
i 1.784752141205828 3.658e-06 deg
node 207.6543324107983 0.00012566 deg
peri 331.2955121740227 0.00012611 deg
M 73.83143665924423 1.1019e-05 deg
tp 2459124.358818400257
(2020-Oct-01.85881840)
4.0058e-05 TDB
period 1326.952715657887
3.63
7.5079e-06
2.056e-08
d
yr
n .2712982879887446 1.535e-09 deg/d
Q 2.774653842578729 1.0466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      9614 days (26.32 yr)  
   first obs. used      1995-02-24  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53857  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:40:48  

Additional Information
 Earth MOID = .956332 au 
 Jupiter MOID = 2.18688 au 
 T_jup = 3.528 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.09   n/a MPO637242  

91349 (1999 JR51)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 JR51 = 1995 DF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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