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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05518930964843589 5.1397e-08  
a 2.832499808827489 1.8072e-08 au
q 2.676176099798973 1.4796e-07 au
i 2.540580173977864 5.7206e-06 deg
node 50.45013390208626 0.00012407 deg
peri 13.90271499121016 0.00013726 deg
M 352.0711852081831 5.8281e-05 deg
tp 2458638.849440596768
(2019-Jun-04.34944060)
0.00028198 TDB
period 1741.218451600721
4.77
1.6664e-05
4.562e-08
d
yr
n .2067517718233735 1.9787e-09 deg/d
Q 2.988823517856005 1.9069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      8213 days (22.49 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51372  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:49:07  

Additional Information
 Earth MOID = 1.68908 au 
 Jupiter MOID = 2.18286 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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