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78688 (2002 TJ147)
Classification: Main-belt Asteroid          SPK-ID: 2078688
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03656758005405478 6.4015e-08  
a 3.084035417638476 2.7641e-08 au
q 2.971259705614441 2.0043e-07 au
i 9.129251663682869 5.0993e-06 deg
node 299.8564505082156 3.6505e-05 deg
peri 235.0223988645029 7.9316e-05 deg
M 277.7571623127253 7.2111e-05 deg
tp 2459452.431952794860
(2021-Aug-25.93195280)
0.00039839 TDB
period 1978.233090944565
5.42
2.6595e-05
7.281e-08
d
yr
n .1819805773383902 2.4465e-09 deg/d
Q 3.196811129662511 2.8651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      7980 days (21.85 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:53  

Additional Information
 Earth MOID = 1.98911 au 
 Jupiter MOID = 1.86346 au 
 T_jup = 3.206 
[ 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 14.5   n/a MPO366148  
diameter diameter 7.113 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78688 (2002 TJ147)          Discovered 2002-Oct-04 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 TJ147 = 1998 XQ52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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