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79479 (1998 CJ2)
Classification: Main-belt Asteroid          SPK-ID: 2079479
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745589500876591 4.5092e-08  
a 3.139499360576318 2.1316e-08 au
q 2.591471648393239 1.4526e-07 au
i 9.984961444368951 5.6316e-06 deg
node 344.0407550888552 2.3585e-05 deg
peri 139.8932352919844 2.816e-05 deg
M 15.397996336403 1.3155e-05 deg
tp 2458913.593804843263
(2020-Mar-05.09380484)
7.4292e-05 TDB
period 2031.837751672944
5.56
2.0693e-05
5.665e-08
d
yr
n .1771795015146208 1.8045e-09 deg/d
Q 3.687527072759397 2.5037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1283  
   data-arc span      8187 days (22.41 yr)  
   first obs. used      1998-01-09  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:23:07  

Additional Information
 Earth MOID = 1.61581 au 
 Jupiter MOID = 1.40406 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457130.5 (2015-Apr-18.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757778534841272 4.5169e-08  
q 2.586635313613932 1.4591e-07 au
tp 2456884.562990816438
(2014-Aug-15.06299082)
7.7332e-05 TDB
node 344.0599979735345 2.358e-05 deg
peri 140.1792295177169 2.8063e-05 deg
i 9.988355839992451 5.6331e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1283  
   data-arc span      8187 days (22.41 yr)  
   first obs. used      1998-01-09  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:23:07  

Additional Information
 Jupiter MOID = 1.40406 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.040226421341541E-15 -6.544140331540651E-15 1.223616754743417E-12 -6.493268287567227E-15 2.681674038043771E-13 -3.251570503143063E-15
q -6.544140331540651E-15 2.128908554542104E-14 -4.288712431940825E-12 2.152528807829633E-14 -9.217743212575363E-13 1.02832650203861E-14
tp 1.223616754743417E-12 -4.288712431940825E-12 5.980253619316054E-9 -1.279981349081009E-11 1.190949145856795E-9 1.165638701024961E-12
node -6.493268287567227E-15 2.152528807829633E-14 -1.279981349081009E-11 5.560248013388608E-10 -5.496181966286101E-10 -9.30795090095549E-12
peri 2.681674038043771E-13 -9.217743212575363E-13 1.190949145856795E-9 -5.496181966286101E-10 7.875410726492115E-10 9.360788029427627E-12
i -3.251570503143063E-15 1.02832650203861E-14 1.165638701024961E-12 -9.30795090095549E-12 9.360788029427627E-12 3.173227745470615E-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 13.9   n/a MPO459362  
diameter diameter 10.557 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79479 (1998 CJ2)          Discovered 1998-Feb-01 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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