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31094 (1997 CN28)
Classification: Outer Main-belt Asteroid          SPK-ID: 2031094
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065375025889717 8.6363e-08  
a 3.365279170268532 4.7651e-08 AU
q 2.670222814926583 3.0508e-07 AU
i 18.81768551297625 9.5231e-06 deg
node 144.3362560367679 2.7392e-05 deg
peri 256.292897360695 3.5782e-05 deg
M 42.37167414833512 2.2733e-05 deg
tp 2456735.098608233435
(2014-Mar-18.59860823)
0.00014063 JED
period 2254.9144671858
6.17
4.7893e-05
1.311e-07
d
yr
n .1596512884363595 3.3909e-09 deg/d
Q 4.060335525610482 5.7493e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      6618 days (18.12 yr)  
   first obs. used      1997-01-31  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5638  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:33:54  

Additional Information
 Earth MOID = 1.75162 AU 
 T_jup = 3.036 
[ 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 MPO324594  

31094 (1997 CN28)          Discovered 1997-Feb-14 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CN28 = 2000 OA29 = 2001 QY147 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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