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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348202565100921 4.9199e-08  
a 3.119823108720034 2.9862e-08 au
q 2.699207756936286 1.5781e-07 au
i 14.46575191170764 7.6237e-06 deg
node 325.6102183788325 1.9654e-05 deg
peri 251.5583077895495 3.5039e-05 deg
M 22.16040696880364 3.1795e-05 deg
tp 2458876.600768162675
(2020-Jan-28.10076816)
0.00017738 TDB
period 2012.766440807159
5.51
2.8898e-05
7.912e-08
d
yr
n .1788583079990309 2.568e-09 deg/d
Q 3.540438460503782 3.3888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      9410 days (25.76 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:25  

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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