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132825 Shizu-Mao (2002 QT85)
Classification: Main-belt Asteroid          SPK-ID: 2132825
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03841167707357076 1.013e-07  
a 3.08378170081183 4.4426e-08 AU
q 2.965328473954859 3.1727e-07 AU
i 10.99849027939769 1.1846e-05 deg
node 175.1880687128548 4.0137e-05 deg
peri 133.6345894302042 0.00013608 deg
M 112.1703452470951 0.0001281 deg
tp 2456384.189703813973
(2013-Apr-01.68970381)
0.0007017 JED
period 1977.98897862192
5.42
4.2743e-05
1.17e-07
d
yr
n .1820030363621211 3.933e-09 deg/d
Q 3.202234927668801 4.6132e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1985-07-20  
   last obs. used      2014-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63529  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 16:16:14  

Additional Information
 Earth MOID = 1.96474 AU 
 T_jup = 3.198 
[ 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 14.9 mag n/a MPO268066  

132825 Shizu-Mao           Discovered 2002 Aug. 16 by Q.-z. Ye on plates taken at Nanchuan Observatory.
Ye Mao (Shiqing, 1231-1322) was a chief executive of Zibei County (now Wenchang City). His name means "luxuriant leaves" in Chinese. Shizu means "earliest ancestor", and Ye Mao is now recognized as the earliest ancestor of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080321/MPCPages.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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