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173243 (1999 JC90)
Classification: Main-belt Asteroid          SPK-ID: 2173243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140307634508396 4.7938e-08  
a 2.231511562596248 8.928e-09 au
q 1.918413453870234 1.0731e-07 au
i 6.273992350439579 4.9158e-06 deg
node 111.0305758307809 4.7401e-05 deg
peri 123.7955475794743 5.0476e-05 deg
M 106.4338289385168 1.6174e-05 deg
tp 2458640.523355473378
(2019-Jun-06.02335547)
5.4658e-05 TDB
period 1217.578972043228
3.33
7.3071e-06
2.001e-08
d
yr
n .2956687067253482 1.7744e-09 deg/d
Q 2.544609671322262 1.0181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      9990 days (27.35 yr)  
   first obs. used      1992-02-25  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:01:02  

Additional Information
 Earth MOID = .914836 au 
 Jupiter MOID = 2.46635 au 
 T_jup = 3.621 
[ 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 16.8   n/a MPO433112  

173243 (1999 JC90)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1999 JC90 = 2002 CH302 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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