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39770 (1997 GJ16)
Classification: Main-belt Asteroid          SPK-ID: 2039770
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05527753518859942 4.6811e-08  
a 2.83230316727622 1.5343e-08 au
q 2.675740429282327 1.3068e-07 au
i 2.540283489476878 4.4709e-06 deg
node 50.44148795541694 0.0001101 deg
peri 13.64573120403101 0.00012119 deg
M 75.01314245086567 4.8717e-05 deg
tp 2458637.720370918963
(2019-Jun-03.22037092)
0.00023576 TDB
period 1741.037132989303
4.77
1.4147e-05
3.873e-08
d
yr
n .2067733037846769 1.6802e-09 deg/d
Q 2.988865905270113 1.6191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1108  
   data-arc span      8417 days (23.04 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48238  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:46:07  

Additional Information
 Earth MOID = 1.68892 au 
 Jupiter MOID = 2.18226 au 
 T_jup = 3.309 
[ 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 14.9   n/a MPO493126  
diameter diameter 3.218 km 0.827 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.225   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39770 (1997 GJ16)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 GJ16 = 1999 VP73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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