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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065375303176326 1.0149e-07  
a 3.365279154960867 5.606e-08 AU
q 2.67022270946584 3.6636e-07 AU
i 18.81768590609487 9.7846e-06 deg
node 144.3362583104711 2.9081e-05 deg
peri 256.2928931140557 3.7238e-05 deg
M 42.37167931227185 2.4801e-05 deg
tp 2456735.098577699186
(2014-Mar-18.59857770)
0.00015235 JED
period 2254.914451800385
6.17
5.6345e-05
1.543e-07
d
yr
n .1596512895256696 3.9893e-09 deg/d
Q 4.060335600455893 6.7638e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      6540 days (17.91 yr)  
   first obs. used      1997-01-31  
   last obs. used      2014-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58775  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:23:11  

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 13.4 mag n/a MPO233692  

31094 (1997 CN28)          Discovered 1997-Feb-14 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
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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