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175633 Yaoan (2007 TF184)
Classification: Main-belt Asteroid          SPK-ID: 2175633
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03836201733990164 1.052e-07  
a 3.197063305519817 9.362e-08 AU
q 3.074417507556702 3.5432e-07 AU
i 6.526971164070806 1.087e-05 deg
node 118.5691574293008 9.9911e-05 deg
peri 14.39479028175813 0.00023098 deg
M 334.3660122516817 0.00019946 deg
tp 2456949.175344107140
(2014-Oct-18.67534411)
0.0011565 JED
period 2087.974934063142
5.72
9.1714e-05
2.511e-07
d
yr
n .1724158629143358 7.5733e-09 deg/d
Q 3.319709103482932 9.7211e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      4543 days (12.44 yr)  
   first obs. used      2001-10-10  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63406  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 16:33:43  

Additional Information
 Earth MOID = 2.08945 AU 
 T_jup = 3.184 
[ 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 15.1 mag n/a MPO280931  

175633 Yaoan           Discovered 2007 Oct. 9 at the XuYi Station of the Purple Mountain Observatory.
Yaoan is a county in the north of Yunnan Province with a long history and a cultural heritage that embraces various ethnic groups. The Yaoan Observation Station of the Purple Mountain Observatory is currently being built there.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091202/MPCPages.arcLast Updated: 2010-04-12

[ show close-approach data ]
Alternate Designations
 2007 TF184 = 2004 FW93 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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