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JPL Small-Body Database Browser
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39640 (1995 GB7)
Classification: Main-belt Asteroid          SPK-ID: 2039640
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02128716546668167 3.7919e-08  
a 2.242587747058354 8.2459e-09 au
q 2.19484941061317 8.2389e-08 au
i 5.837169415631511 4.0546e-06 deg
node 122.7666007714477 3.435e-05 deg
peri 43.67152291598942 0.00010519 deg
M 187.1848790275308 9.7974e-05 deg
tp 2459589.346140945685
(2022-Jan-09.84614095)
0.00033356 TDB
period 1226.655454381317
3.36
6.7655e-06
1.852e-08
d
yr
n .2934809434174583 1.6187e-09 deg/d
Q 2.290326083503538 8.4214e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      14668 days (40.16 yr)  
   first obs. used      1979-06-23  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:32:21  

Additional Information
 Earth MOID = 1.20639 au 
 Jupiter MOID = 2.67871 au 
 T_jup = 3.626 
[ 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 15.4   n/a MPO431947  

39640 (1995 GB7)          Discovered 1995-Apr-04 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 GB7 = 1979 MJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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