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31093 (1997 CE28)
Classification: Main-belt Asteroid          SPK-ID: 2031093
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616735690413648 5.7711e-08  
a 3.135749640580918 3.7835e-08 AU
q 2.628781804568024 1.7159e-07 AU
i 3.120883904203658 5.9149e-06 deg
node 119.2643601723977 0.00012216 deg
peri 314.1490515744646 0.00012447 deg
M 133.3881103979264 2.2081e-05 deg
tp 2456249.006691018630
(2012-Nov-17.50669102)
0.00012173 JED
period 2028.198693468401
5.55
3.6708e-05
1.005e-07
d
yr
n .1774974025766518 3.2125e-09 deg/d
Q 3.642717476593812 4.3952e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      8112 days (22.21 yr)  
   first obs. used      1992-04-01  
   last obs. used      2014-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55464  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:04:01  

Additional Information
 Earth MOID = 1.64454 AU 
 T_jup = 3.189 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO299179  

31093 (1997 CE28)          Discovered 1997-Feb-06 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CE28 = 1998 HN100 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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