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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03829129840075806 8.5059e-08  
a 3.197288383557733 7.474e-08 AU
q 3.074860059989647 2.824e-07 AU
i 6.526592917761739 9.2377e-06 deg
node 118.5672468758894 8.6485e-05 deg
peri 12.89715851583213 0.00020302 deg
M 10.23604029714939 0.00017486 deg
tp 2456941.125409449257
(2014-Oct-10.62540945)
0.0010146 JED
period 2088.195432780774
5.72
7.3221e-05
2.005e-07
d
yr
n .1723976570146028 6.045e-09 deg/d
Q 3.31971670712582 7.7602e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      4854 days (13.29 yr)  
   first obs. used      2001-10-10  
   last obs. used      2015-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .65929  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 18:42:00  

Additional Information
 Earth MOID = 2.09023 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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