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85873 (1999 CE1)
Classification: Main-belt Asteroid          SPK-ID: 2085873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .06401441424673636 4.148e-08  
a 2.279908622816421 7.6194e-09 au
q 2.133961607790745 9.5735e-08 au
i 4.788254620618726 3.4613e-06 deg
node 97.2280742337969 5.3957e-05 deg
peri 91.40945305988991 6.1301e-05 deg
M 16.27463133768868 2.7885e-05 deg
tp 2458943.656181086877
(2020-Apr-04.15618109)
9.7423e-05 TDB
period 1257.403279012195
3.44
6.3033e-06
1.726e-08
d
yr
n .2863043273458081 1.4352e-09 deg/d
Q 2.425855637842098 8.1071e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1042  
   data-arc span      7810 days (21.38 yr)  
   first obs. used      1999-01-10  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5279  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:18:18  

Additional Information
 Earth MOID = 1.14048 au 
 Jupiter MOID = 2.53783 au 
 T_jup = 3.599 
[ 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 15.4   n/a MPO263970  
diameter diameter 1.864 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.464   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85873 (1999 CE1)          Discovered 1999-Feb-05 by Kagawa, T. at Gekko
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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