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3746 Heyuan (1964 TC1)
Classification: Main-belt Asteroid          SPK-ID: 2003746
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2494079999723721 5.7866e-08  
a 3.178007944217494 2.8103e-08 AU
q 2.385387338953898 1.941e-07 AU
i 1.028485965213978 5.9589e-06 deg
node 24.53057606796114 0.00031775 deg
peri 304.6995648065925 0.00031794 deg
M 330.3141739443275 1.6758e-05 deg
tp 2457171.138699376150
(2015-May-28.63869938)
9.7769e-05 JED
period 2069.335435039231
5.67
2.7449e-05
7.515e-08
d
yr
n .1739688954744908 2.3076e-09 deg/d
Q 3.970628549481089 3.5112e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      28787 days (78.81 yr)  
   first obs. used      1935-10-01  
   last obs. used      2014-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52137  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:01:52  

Additional Information
 Earth MOID = 1.37519 AU 
 T_jup = 3.151 
[ 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 12.7 mag n/a MPO302085  

3746 Heyuan           Discovered 1964 Oct. 8 at the Purple Mountain Observatory.
The city of Heyuan is located in the Chinese northeastern province of Guangdong. Its Evergreen Lake is very famous, and the wealth of fossil dinosaur eggs discovered in Heyuan in 1996 has important scientific value.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1964 TC1 = 1935 SD2 = 1976 YM5 = 1981 RS4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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