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32208 Johnpercy (2000 OR7)
Classification: Main-belt Asteroid          SPK-ID: 2032208
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0092959465310879 4.3152e-08  
a 2.733633323179844 1.3078e-08 au
q 2.708221613971964 1.1965e-07 au
i 4.021048705951566 3.7235e-06 deg
node 268.9673644443142 6.7154e-05 deg
peri 104.1091727310127 0.00021815 deg
M 73.90661519315519 0.00020647 deg
tp 2458661.585906774750
(2019-Jun-27.08590677)
0.00094684 TDB
period 1650.854571572772
4.52
1.1847e-05
3.244e-08
d
yr
n .2180688754776426 1.5649e-09 deg/d
Q 2.759045032387724 1.32e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1278  
   data-arc span      10190 days (27.90 yr)  
   first obs. used      1992-11-25  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:57:00  

Additional Information
 Earth MOID = 1.70723 au 
 Jupiter MOID = 2.27073 au 
 T_jup = 3.349 
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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 14.3   n/a MPO319480  
diameter diameter 6.777 km 1.356 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.086 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.080   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

32208 Johnpercy           Discovered 2000 July 28 by M. Collins and M. Gahran at Anza.
British-born John R. Percy (b. 1941), a professor of astronomy and astrophysics at the University of Toronto, has written over 400 scientific papers, articles and books on variable stars and astronomy education. His organizational affiliations span the globe, and his many awards reflect his dedicated support to astronomy education.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060613/MPCPages.arcLast Updated: 2008-05-22

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Alternate Designations
 2000 OR7 = 1996 TQ59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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