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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456897.5 (2014-Aug-28.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141778340704633 5.6159e-08  
q 2.634869380263006 1.7504e-07 au
tp 2457653.333278383074
(2016-Sep-21.83327838)
0.00011201 TDB
node 309.5215195164308 0.0008768 deg
peri 78.40366378592478 0.00087701 deg
i .398752067224849 5.5162e-06 deg
  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
 Jupiter MOID = 1.94545 au 
 T_jup = 3.215 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.15385048036566E-15 -9.733447890185225E-15 -3.683547456015219E-13 -1.458641787051109E-14 -1.089169814218771E-13 -3.076550575679815E-17
q -9.733447890185225E-15 3.063890451842892E-14 2.259192320803629E-12 6.001138621634359E-14 4.714986280606997E-13 1.847766976981793E-16
tp -3.683547456015219E-13 2.259192320803629E-12 1.254692998812053E-8 1.019229978427094E-11 2.183271799474256E-9 1.174255248302947E-14
node -1.458641787051109E-14 6.001138621634359E-14 1.019229978427094E-11 7.687793698874501E-7 -7.687586295723362E-7 7.462623914936401E-10
peri -1.089169814218771E-13 4.714986280606997E-13 2.183271799474256E-9 -7.687586295723362E-7 7.691433198868881E-7 -7.462440413731431E-10
i -3.076550575679815E-17 1.847766976981793E-16 1.174255248302947E-14 7.462623914936401E-10 -7.462440413731431E-10 3.042856873307853E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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