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JPL Small-Body Database Browser
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39850 (1998 CG3)
Classification: Main-belt Asteroid          SPK-ID: 2039850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543817108740344 4.8851e-08  
a 2.227937975809373 7.2587e-09 au
q 1.883985099382689 1.0997e-07 au
i 5.107509904954764 4.9983e-06 deg
node 152.8369457641942 4.4413e-05 deg
peri 205.4758642517779 4.5875e-05 deg
M 39.9393168768485 1.2768e-05 deg
tp 2458865.743040701528
(2020-Jan-17.24304070)
4.2794e-05 TDB
period 1214.655360707256
3.33
5.9361e-06
1.625e-08
d
yr
n .2963803656951574 1.4484e-09 deg/d
Q 2.571890852236057 8.3793e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1552  
   data-arc span      12174 days (33.33 yr)  
   first obs. used      1986-09-07  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5101  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:52:13  

Additional Information
 Earth MOID = .881177 au 
 Jupiter MOID = 2.8679 au 
 T_jup = 3.623 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO436050  

39850 (1998 CG3)          Discovered 1998-Feb-06 by Elst, E. W. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 CG3 = 1986 RP7 = 1999 NH5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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