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13433 Phelps (1999 VP52)
Classification: Main-belt Asteroid          SPK-ID: 2013433
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756536811850672 5.4601e-08  
a 2.376089449936753 1.36e-08 AU
q 1.95872059123036 1.3022e-07 AU
i 5.221494880301912 5.321e-06 deg
node 82.92384581778263 6.0281e-05 deg
peri 243.5001728217666 6.2206e-05 deg
M 124.4732205371423 1.6658e-05 deg
tp 2456537.942175825867
(2013-Sep-02.44217583)
5.9982e-05 JED
period 1337.804356504128
3.66
1.1486e-05
3.145e-08
d
yr
n .269097643650026 2.3103e-09 deg/d
Q 2.793458308643145 1.5989e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      8599 days (23.54 yr)  
   first obs. used      1991-07-14  
   last obs. used      2015-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .531  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:37:39  

Additional Information
 Earth MOID = .954275 AU 
 T_jup = 3.515 
[ 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 14.5 mag n/a MPO324433  

13433 Phelps           Discovered 1999 Nov. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kels Gordon Phelps (b. 1988) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his biochemistry, medicine, health, and microbiology project. He attends the East Middle School, Butte, Montana.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021021/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1999 VP52 = 1991 NN2 = 1997 EA33 = 1998 KO39 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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