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20362 Trilling (1998 JH3)
Classification: Main-belt Asteroid          SPK-ID: 2020362
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1316832543972488 3.7415e-08  
a 2.523567125827381 9.9676e-09 au
q 2.19125559400852 9.485e-08 au
i 10.03939844773087 3.3296e-06 deg
node 91.8605027812946 2.7576e-05 deg
peri 295.86341034457 3.2948e-05 deg
M 29.33306760812115 1.7499e-05 deg
tp 2458881.190314410459
(2020-Feb-01.69031441)
7.1296e-05 TDB
period 1464.268496771306
4.01
8.6754e-06
2.375e-08
d
yr
n .2458565493922703 1.4566e-09 deg/d
Q 2.855878657646242 1.128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1928  
   data-arc span      11796 days (32.30 yr)  
   first obs. used      1987-10-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4545  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:05:35  

Additional Information
 Earth MOID = 1.21867 au 
 Jupiter MOID = 2.5926 au 
 T_jup = 3.421 
[ 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 13.6   n/a MPO347681  
diameter diameter 5.763 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.260   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20362 Trilling           Discovered 1998 May 1 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
David E. Trilling (b. 1972) is an assistant astronomer at the University of Arizona. Theorist and observer, Trilling has used the Spitzer telescope to determine the diameters and albedos of NEOs, TNOs and circumstellar dust disks. He also works on theories of orbital migration and extrasolar planet formation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080718/MPCPages.arcLast Updated: 2008-07-18

Alternate Designations
 1998 JH3 = 1987 UA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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