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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1877070306147837 7.9051e-08  
a 2.224582379997623 1.3653e-08 au
q 1.807012627090301 1.7624e-07 au
i 5.16533514271435 8.1941e-06 deg
node 160.3311796754233 7.1868e-05 deg
peri 229.9885812127778 7.5216e-05 deg
M 13.52687578925441 1.777e-05 deg
tp 2457354.962816287939
(2015-Nov-28.46281629)
5.9839e-05 JED
period 1211.912225095229
3.32
1.1157e-05
3.055e-08
d
yr
n .2970512158763909 2.7346e-09 deg/d
Q 2.642152132904945 1.6216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      7439 days (20.37 yr)  
   first obs. used      1995-08-19  
   last obs. used      2015-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47948  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 21:17:29  

Additional Information
 Earth MOID = .815404 au 
 Jupiter MOID = 2.80538 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 17.4 mag n/a MPO348617  

231678 (1995 QC1)          Discovered 1995-Aug-19 by Beijing Schmidt CCD Asteroid Program at Xinglong
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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