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231678 (1995 QC1)
Classification: Main-belt Asteroid          SPK-ID: 2231678
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 .1878685055529803 1.1239e-07  
a 2.22467896217671 2.9529e-08 AU
q 1.806731850217416 2.3594e-07 AU
i 5.165057132875149 9.4021e-06 deg
node 160.3330162089825 0.00010844 deg
peri 230.0117255060622 0.00011286 deg
M 254.7045254398001 3.774e-05 deg
tp 2457354.992175922873
(2015-Nov-28.49217592)
0.00013241 JED
period 1211.991150287021
3.32
2.4131e-05
6.607e-08
d
yr
n .2970318718208013 5.9139e-09 deg/d
Q 2.642626074136003 3.5077e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      1995-08-19  
   last obs. used      2014-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49216  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 00:11:26  

Additional Information
 Earth MOID = .816466 AU 
 T_jup = 3.618 
[ 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 17.3 mag n/a MPO254399  

231678 (1995 QC1)          Discovered 1995-Aug-19 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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