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146923 (2002 CJ260)
Classification: Main-belt Asteroid          SPK-ID: 2146923
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397220878530183 5.6422e-08  
a 3.073970535432769 2.8044e-08 au
q 2.644468954223442 1.7645e-07 au
i .3986316402916065 5.5158e-06 deg
node 309.3939757403423 0.00087625 deg
peri 77.76582469736853 0.00087646 deg
M 247.5063343205335 2.2428e-05 deg
tp 2459615.639401083010
(2022-Feb-05.13940108)		 0.00012757 TDB
period 1968.556923203764
5.39		 2.6939e-05
7.375e-08		 d
yr
n .1828750775538212 2.5026e-09 deg/d
Q 3.503472116642096 3.1962e-08 au
   Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      8998 days (24.64 yr)  
   first obs. used      1994-09-04  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:40:21  

Additional Information
 Earth MOID = 1.64901 au 
 Jupiter MOID = 1.94545 au 
 T_jup = 3.215 
[ 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 16.0   n/a MPO436738  

146923 (2002 CJ260)          Discovered 2002-Feb-07 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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