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85574 (1998 CG)
Classification: Main-belt Asteroid          SPK-ID: 2085574
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05658431559417861 3.7762e-08  
a 2.937192025134774 1.7541e-08 au
q 2.770993024623843 1.0737e-07 au
i 5.075769746770887 3.5104e-06 deg
node 185.0634396936653 4.4538e-05 deg
peri 305.2098417900132 5.5195e-05 deg
M 163.0406610509615 3.4879e-05 deg
tp 2458167.796549661101
(2018-Feb-18.29654966)
0.00017549 TDB
period 1838.640988018956
5.03
1.6471e-05
4.51e-08
d
yr
n .1957967881418123 1.754e-09 deg/d
Q 3.103391025645704 1.8534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      10576 days (28.96 yr)  
   first obs. used      1991-11-02  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:31  

Additional Information
 Earth MOID = 1.78914 au 
 Jupiter MOID = 1.91904 au 
 T_jup = 3.266 
[ 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 15.2   n/a MPO296715  
diameter diameter 4.126 km 1.488 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85574 (1998 CG)          Discovered 1998-Feb-01 by Ticha, J., Tichy, M. at Klet
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 CG = 2001 SL252 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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