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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543817279207241 4.5799e-08  
a 2.227937973639406 6.9303e-09 au
q 1.883985059568758 1.0255e-07 au
i 5.107509440838875 4.7123e-06 deg
node 152.8369425692445 4.3162e-05 deg
peri 205.4758681311373 4.4673e-05 deg
M 39.93931796059205 1.2732e-05 deg
tp 2458865.743037241807
(2020-Jan-17.24303724)
4.2688e-05 TDB
period 1214.655358932682
3.33
5.6676e-06
1.552e-08
d
yr
n .2963803661281601 1.3829e-09 deg/d
Q 2.571890887710054 8.0003e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1612  
   data-arc span      12473 days (34.15 yr)  
   first obs. used      1986-09-07  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50586  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:19:25  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1915-Feb-20 01:26 00:01 Amphi 0.0405847581604641 0.0405793598243825 0.0405901588699448 3.66666615366304 3.66666611503179 2420548.559686476 1.30078255984188 559.734822587498 22.2495883315735 61.3469438628335 239367.444234375 T 24 CATAB v2.0f-lin.ifort 2020-Nov-13 00:19:29 2020-Nov-13 00:19

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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