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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03656758049898477 6.3663e-08  
a 3.084035418059198 2.691e-08 au
q 2.971259704647598 1.9989e-07 au
i 9.129251679218196 5.0958e-06 deg
node 299.8564512453175 3.5426e-05 deg
peri 235.0223990623758 7.748e-05 deg
M 277.7571613101654 7.0309e-05 deg
tp 2459452.431958396497
(2021-Aug-25.93195840)
0.00038822 TDB
period 1978.233091349369
5.42
2.5892e-05
7.089e-08
d
yr
n .1819805773011517 2.3818e-09 deg/d
Q 3.196811131470798 2.7894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      8008 days (21.92 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51602  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:51  

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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