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120687 (1997 CJ11)
Classification: Main-belt Asteroid          SPK-ID: 2120687
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 .1587148296036502 4.6959e-08  
a 2.808484351356574 1.8517e-08 au
q 2.362736236086498 1.3591e-07 au
i 9.817759812554925 4.5197e-06 deg
node 126.537756815213 2.8653e-05 deg
peri 286.6572303678647 3.4341e-05 deg
M 41.58068632942153 1.5741e-05 deg
tp 2458801.938249825018
(2019-Nov-14.43824983)
7.5372e-05 TDB
period 1719.120975942485
4.71
1.7002e-05
4.655e-08
d
yr
n .2094093464263822 2.071e-09 deg/d
Q 3.254232466626652 2.1456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      8441 days (23.11 yr)  
   first obs. used      1996-12-17  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:21:54  

Additional Information
 Earth MOID = 1.39684 au 
 Jupiter MOID = 2.14838 au 
 T_jup = 3.282 
[ 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 16.0   n/a MPO453677  

120687 (1997 CJ11)          Discovered 1997-Feb-03 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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