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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616735580326433 5.6304e-08  
a 3.135749630647162 3.5749e-08 AU
q 2.628781830760888 1.6906e-07 AU
i 3.120885352883406 5.3953e-06 deg
node 119.2643776193587 0.00011532 deg
peri 314.1490414507769 0.00011701 deg
M 133.3881062218232 2.0388e-05 deg
tp 2456249.006718117305
(2012-Nov-17.50671812)
0.00011004 JED
period 2028.19868383069
5.55
3.4684e-05
9.496e-08
d
yr
n .1774974034200942 3.0353e-09 deg/d
Q 3.642717430533436 4.1529e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      925  
   data-arc span      8484 days (23.23 yr)  
   first obs. used      1992-04-01  
   last obs. used      2015-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54044  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:47:36  

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
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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