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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544702151556466 4.0654e-08  
a 2.228326103933705 6.2817e-09 au
q 1.884116091222122 8.9837e-08 au
i 5.107609580431553 4.2221e-06 deg
node 152.8331921963775 3.6967e-05 deg
peri 205.5308093702947 3.8733e-05 deg
M 99.14929104125304 1.2842e-05 deg
tp 2458865.878639133015
(2020-Jan-17.37863913)
4.2666e-05 TDB
period 1214.972781419014
3.33
5.1376e-06
1.407e-08
d
yr
n .2963029341114474 1.2529e-09 deg/d
Q 2.572536116645288 7.2521e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1892  
   data-arc span      12613 days (34.53 yr)  
   first obs. used      1986-09-07  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:13:09  

Additional Information
 Earth MOID = .879642 au 
 Jupiter MOID = 2.86805 au 
 T_jup = 3.623 
[ 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 14.78   n/a MPCxxxxx  

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

Alternate Designations
 1998 CG3 = 1986 RP7 = 1999 NH5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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