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91342 (1999 JU29)
Classification: Main-belt Asteroid          SPK-ID: 2091342
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .1063418986577608 4.0606e-08  
a 2.468737594870758 1.2688e-08 au
q 2.206207351744408 9.7079e-08 au
i 5.959638300902246 4.3863e-06 deg
node 196.2227644396691 5.1473e-05 deg
peri 42.29587732250796 5.8912e-05 deg
M 142.3274117359475 2.9864e-05 deg
tp 2458440.359630161445
(2018-Nov-17.85963016)
0.00011672 TDB
period 1416.807420878216
3.88
1.0923e-05
2.991e-08
d
yr
n .2540924014760256 1.9589e-09 deg/d
Q 2.731267837997108 1.4038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7830 days (21.44 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61719  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:13  

Additional Information
 Earth MOID = 1.19888 au 
 Jupiter MOID = 2.26592 au 
 T_jup = 3.470 
[ 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 15.7   n/a MPO493511  

91342 (1999 JU29)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 JU29 = 2000 SY263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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