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190362 (1999 JX99)
Classification: Main-belt Asteroid          SPK-ID: 2190362
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630457754204198 4.0821e-08  
a 2.583685026422222 1.5397e-08 au
q 2.162426097847083 1.0467e-07 au
i 10.4132512729068 5.6624e-06 deg
node 119.1686072730856 2.5004e-05 deg
peri 124.4553276140399 3.1322e-05 deg
M 70.65119781143237 2.1228e-05 deg
tp 2458902.802760335183
(2020-Feb-23.30276034)
8.8091e-05 TDB
period 1516.902891942086
4.15
1.356e-05
3.713e-08
d
yr
n .2373256731939466 2.1215e-09 deg/d
Q 3.004943954997361 1.7908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:02:42  

Additional Information
 Earth MOID = 1.16647 au 
 Jupiter MOID = 2.09389 au 
 T_jup = 3.381 
[ 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 15.57   n/a E2021B55  

190362 (1999 JX99)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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