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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06401440893849718 4.182e-08  
a 2.279908626557932 9.3811e-09 au
q 2.133961623395045 9.7259e-08 au
i 4.788251081939323 4.1653e-06 deg
node 97.22806517815545 5.4287e-05 deg
peri 91.40947224614277 6.3534e-05 deg
M 16.27461860875595 3.3925e-05 deg
tp 2458943.656225406398
(2020-Apr-04.15622541)
0.0001184 TDB
period 1257.403282107443
3.44
7.7607e-06
2.125e-08
d
yr
n .286304326641036 1.7671e-09 deg/d
Q 2.425855629720819 9.9816e-09 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      7694 days (21.07 yr)  
   first obs. used      1999-01-10  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55309  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:40:21  

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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