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78676 (2002 TJ123)
Classification: Main-belt Asteroid          SPK-ID: 2078676
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04993908054001969 5.3618e-08  
a 3.161672000713672 3.0333e-08 au
q 3.003781008028906 1.7015e-07 au
i 15.31939341676087 5.6838e-06 deg
node 327.4291243611714 1.5738e-05 deg
peri 197.7624036976703 4.7655e-05 deg
M 250.911479629621 4.6571e-05 deg
tp 2459622.728926741584
(2022-Feb-12.22892674)
0.00026779 TDB
period 2053.400420744858
5.62
2.9551e-05
8.091e-08
d
yr
n .1753189472267724 2.523e-09 deg/d
Q 3.319562993398437 3.1848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      7480 days (20.48 yr)  
   first obs. used      2000-05-07  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:58  

Additional Information
 Earth MOID = 2.01592 au 
 Jupiter MOID = 1.70009 au 
 T_jup = 3.147 
[ 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 14.1   n/a MPO502631  
diameter diameter 8.568 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78676 (2002 TJ123)          Discovered 2002-Oct-04 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 TJ123 = 2000 JD82 = 2001 MS22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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