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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05629080994773483 3.9827e-08  
a 2.933840588724161 2.0083e-08 au
q 2.768692325727338 1.1312e-07 au
i 5.077845217036476 4.3774e-06 deg
node 185.2693494887442 4.9909e-05 deg
peri 303.0919492408745 6.3402e-05 deg
M 86.73428999360631 3.9434e-05 deg
tp 2458158.276800173403
(2018-Feb-08.77680017)
0.00020075 TDB
period 1835.494957637982
5.03
1.8847e-05
5.16e-08
d
yr
n .1961323829858233 2.0139e-09 deg/d
Q 3.098988851720983 2.1213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      10051 days (27.52 yr)  
   first obs. used      1991-11-02  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:41  

Additional Information
 Earth MOID = 1.78776 au 
 Jupiter MOID = 1.9286 au 
 T_jup = 3.267 
[ 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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