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8949 (1997 CM28)
Classification: Main-belt Asteroid          SPK-ID: 2008949
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0927401436529607 6.1838e-08  
a 2.637417309382861 2.0352e-08 AU
q 2.39282284923789 1.5774e-07 AU
i 2.815053277845486 6.4953e-06 deg
node 163.3912942657049 0.00010618 deg
peri 160.5672521483251 0.00011155 deg
M 233.1496912550006 3.6684e-05 deg
tp 2457551.759050737357
(2016-Jun-12.25905074)
0.00016203 JED
period 1564.468074448198
4.28
1.8109e-05
4.958e-08
d
yr
n .2301101606863888 2.6636e-09 deg/d
Q 2.882011769527833 2.224e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      11320 days (30.99 yr)  
   first obs. used      1984-01-25  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49658  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:24:51  

Additional Information
 Earth MOID = 1.38159 AU 
 T_jup = 3.389 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO279610  

8949 (1997 CM28)          Discovered 1997-Feb-13 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 CM28 = 1984 BQ5 = 1995 UC49 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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