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39768 (1997 GB13)
Classification: Main-belt Asteroid          SPK-ID: 2039768
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03275393069883151 6.3152e-08  
a 3.034686650746558 2.286e-08 au
q 2.935288734495336 1.9467e-07 au
i 9.187197564940188 6.8868e-06 deg
node 193.7258322401564 2.3654e-05 deg
peri 182.0435702343582 6.2212e-05 deg
M 315.1981770891416 5.7347e-05 deg
tp 2459240.804770567621
(2021-Jan-26.30477057)
0.0003077 TDB
period 1930.941907798502
5.29
2.1818e-05
5.973e-08
d
yr
n .1864375093554429 2.1066e-09 deg/d
Q 3.13408456699778 2.3608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      870  
   data-arc span      9983 days (27.33 yr)  
   first obs. used      1992-04-28  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57505  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:00:25  

Additional Information
 Earth MOID = 1.93575 au 
 Jupiter MOID = 2.02065 au 
 T_jup = 3.222 
[ 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 14.4   n/a MPO436049  
diameter diameter 5.125 km 0.505 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.140   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

39768 (1997 GB13)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 GB13 = 1999 TP129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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