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175633 Yaoan (2007 TF184)
Classification: Main-belt Asteroid          SPK-ID: 2175633
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03634113476265061 5.1685e-08  
a 3.193904899044961 3.2578e-08 au
q 3.077834770689678 1.6213e-07 au
i 6.524456420286609 5.3963e-06 deg
node 118.5219225323776 5.0476e-05 deg
peri 9.402824764979151 9.6075e-05 deg
M 33.64775310754049 8.2176e-05 deg
tp 2459005.634495764691
(2020-Jun-05.13449576)
0.00047512 TDB
period 2084.881605630604
5.71
3.1899e-05
8.733e-08
d
yr
n .1726716754696066 2.6419e-09 deg/d
Q 3.309975027400244 3.3762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      7098 days (19.43 yr)  
   first obs. used      2001-10-10  
   last obs. used      2021-03-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58176  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:12  

Additional Information
 Earth MOID = 2.0931 au 
 Jupiter MOID = 1.71372 au 
 T_jup = 3.185 
[ 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 15.16   n/a E2021B55  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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