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27966 Changguang (1997 SA34)
Classification: Main-belt Asteroid          SPK-ID: 2027966
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136486241406466 6.7174e-08  
a 2.912243022784765 2.2082e-08 AU
q 2.290046307803602 1.9464e-07 AU
i 9.759871878452014 8.2964e-06 deg
node 37.23477364884856 3.4509e-05 deg
peri 50.39863645118743 3.9866e-05 deg
M 135.8343492630423 1.7368e-05 deg
tp 2456315.568795021295
(2013-Jan-23.06879502)
8.4965e-05 JED
period 1815.264217998663
4.97
2.0646e-05
5.653e-08
d
yr
n .1983182373290548 2.2556e-09 deg/d
Q 3.534439737765927 2.68e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      18337 days (50.20 yr)  
   first obs. used      1964-03-11  
   last obs. used      2014-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53302  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:45:16  

Additional Information
 Earth MOID = 1.31975 AU 
 T_jup = 3.227 
[ 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 13.8 mag n/a MPO250480  

27966 Changguang           Discovered 1997 Sept. 16 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Changguang stands for the Changchun Institute of Optics, Fine Mechanics and Physics of the Chinese Academy of Sciences. It was founded in 1952 and a large number of researchers in the field of optoelectronics have been trained there. It is hailed as "the Cradle of Optics in China".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120831/MPCPages.arcLast Updated: 2012-09-04

[ show close-approach data ]
Alternate Designations
 1997 SA34 = 1964 EU = 1999 FX26 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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