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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879912851723192 1.1942e-07  
a 2.224404360408946 3.1827e-08 AU
q 1.806235725952757 2.5263e-07 AU
i 5.165113088716001 1.1713e-05 deg
node 160.3380317732375 0.00012188 deg
peri 230.0295687139174 0.00012752 deg
M 195.2717106528276 4.4011e-05 deg
tp 2457354.978512991063
(2015-Nov-28.47851299)
0.00015688 JED
period 1211.766755229824
3.32
2.6007e-05
7.12e-08
d
yr
n .2970868762047547 6.3762e-09 deg/d
Q 2.642572994865134 3.7811e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      6805 days (18.63 yr)  
   first obs. used      1995-08-19  
   last obs. used      2014-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52592  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 17:01:13  

Additional Information
 Earth MOID = .81486 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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