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85293 Tengzhou (1994 RC25)
Classification: Main-belt Asteroid          SPK-ID: 2085293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348202594316541 4.9919e-08  
a 3.119823106991021 3.0405e-08 au
q 2.699207746325623 1.6088e-07 au
i 14.46575260289265 7.7144e-06 deg
node 325.6102187502573 1.9665e-05 deg
peri 251.5583052086824 3.5697e-05 deg
M 22.1604098548627 3.3033e-05 deg
tp 2458876.600752129665
(2020-Jan-28.10075213)
0.00018423 TDB
period 2012.76643913394
5.51
2.9424e-05
8.056e-08
d
yr
n .1788583081477164 2.6146e-09 deg/d
Q 3.54043846765642 3.4504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      9360 days (25.63 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:35:19  

Additional Information
 Earth MOID = 1.73713 au 
 Jupiter MOID = 1.67133 au 
 T_jup = 3.154 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO436372  

85293 Tengzhou           Discovered 1994 Sept. 12 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Tengzhou is a city located in the southern part of Shandong Province, with a history that stretches back 7300 years.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110615/MPCPages.arcLast Updated: 2013-03-28

[ show close-approach data ]
Alternate Designations
 1994 RC25 = 2003 GA54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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