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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953380615331312 5.6067e-08  
a 2.225824071870791 1.5324e-08 AU
q 1.79103591235777 1.2714e-07 AU
i 4.83178765446382 7.1206e-06 deg
node 218.6399198324848 6.3657e-05 deg
peri 121.9120043163624 6.6274e-05 deg
M 312.0499756760218 2.2389e-05 deg
tp 2457162.055225672904
(2015-May-19.55522567)
7.6492e-05 JED
period 1212.927043566937
3.32
1.2526e-05
3.429e-08
d
yr
n .2968026823289582 3.065e-09 deg/d
Q 2.660612231383812 1.8317e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      971  
   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      .5442  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:33:28  

Additional Information
 Earth MOID = .789099 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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