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91370 (1999 JQ94)
Classification: Main-belt Asteroid          SPK-ID: 2091370
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 .1268242654136863 4.8921e-08  
a 2.58347897960915 1.8208e-08 au
q 2.25583115580852 1.3231e-07 au
i 15.04273752443561 7.3794e-06 deg
node 118.6893727360192 1.6413e-05 deg
peri 90.4730770343769 3.7413e-05 deg
M 40.61357524326171 3.5548e-05 deg
tp 2458829.390332666383
(2019-Dec-11.89033267)
0.00014881 TDB
period 1516.721437872482
4.15
1.6035e-05
4.39e-08
d
yr
n .2373540658230394 2.5093e-09 deg/d
Q 2.91112680340978 2.0517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      7734 days (21.17 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54751  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:16:59  

Additional Information
 Earth MOID = 1.3108 au 
 Jupiter MOID = 2.23569 au 
 T_jup = 3.364 
[ 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 15.5   n/a MPO426568  

91370 (1999 JQ94)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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