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120702 (1997 JC5)
Classification: Main-belt Asteroid          SPK-ID: 2120702
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006899261574722 4.6799e-08  
a 3.136645977684675 3.1051e-08 au
q 2.820817325809473 1.4137e-07 au
i 16.41630397220019 5.2302e-06 deg
node 177.7324715697206 1.8198e-05 deg
peri 265.5810187985136 3.1868e-05 deg
M 242.5717862244504 2.7133e-05 deg
tp 2459862.360765280632
(2022-Oct-09.86076528)
0.00015414 TDB
period 2029.068380078171
5.56
3.013e-05
8.249e-08
d
yr
n .1774213247491101 2.6346e-09 deg/d
Q 3.452474629559878 3.4177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      8151 days (22.32 yr)  
   first obs. used      1997-04-30  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:55:24  

Additional Information
 Earth MOID = 1.89587 au 
 Jupiter MOID = 1.8573 au 
 T_jup = 3.141 
[ 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 14.9   n/a MPO264156  

120702 (1997 JC5)          Discovered 1997-May-08 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1997 JC5 = 2002 GP81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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