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13063 Purifoy (1991 LB)
Classification: Main-belt Asteroid          SPK-ID: 2013063
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953477201932152 5.6131e-08  
a 2.225541680067274 1.5342e-08 AU
q 1.790787186671154 1.2723e-07 AU
i 4.832138844317304 7.1249e-06 deg
node 218.6421188767189 6.3889e-05 deg
peri 121.9471837745152 6.6498e-05 deg
M 252.6471885797547 2.2011e-05 deg
tp 2457162.128747221819
(2015-May-19.62874722)
7.6484e-05 JED
period 1212.696223578392
3.32
1.254e-05
3.433e-08
d
yr
n .2968591746230738 3.0696e-09 deg/d
Q 2.660296173463394 1.8339e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      8422 days (23.06 yr)  
   first obs. used      1991-06-05  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54781  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:29:47  

Additional Information
 Earth MOID = .787143 AU 
 T_jup = 3.616 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO256961  

13063 Purifoy           Discovered 1991 June 5 by Spacewatch at Kitt Peak.
Dana D. Purifoy (b. 1955) is a pilot in the Flight Crew Branch of NASA's Dryden Flight Research Center, Edwards, California. He has accumulated 4400 hours of flying time in over 75 different aircraft.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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