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78720 (2002 TJ216)
Classification: Main-belt Asteroid          SPK-ID: 2078720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09752582393879444 4.9892e-08  
a 2.962450400272277 2.5115e-08 au
q 2.673534984107912 1.549e-07 au
i 11.06333777152339 4.6023e-06 deg
node 112.2219549227579 2.6763e-05 deg
peri 239.6389461948346 3.4446e-05 deg
M 187.5398798390315 2.3978e-05 deg
tp 2459892.697993321851
(2022-Nov-09.19799332)
0.00012768 TDB
period 1862.408986472218
5.10
2.3684e-05
6.484e-08
d
yr
n .1932980363684312 2.4581e-09 deg/d
Q 3.251365816436642 2.7564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      7800 days (21.36 yr)  
   first obs. used      1999-01-10  
   last obs. used      2020-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:46  

Additional Information
 Earth MOID = 1.68641 au 
 Jupiter MOID = 2.1465 au 
 T_jup = 3.230 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO337849  
diameter diameter 4.344 km 1.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78720 (2002 TJ216)          Discovered 2002-Oct-06 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 TJ216 = 2000 FD23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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