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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754727121708068 5.4193e-08  
a 2.376482226968272 1.3754e-08 au
q 1.959474445176431 1.2895e-07 au
i 5.217523242940458 5.2517e-06 deg
node 82.8321902316153 5.836e-05 deg
peri 243.9522896405095 6.0257e-05 deg
M 231.5966126787457 1.7081e-05 deg
tp 2457877.781128442500
(2017-May-04.28112844)
6.5863e-05 JED
period 1338.136086779534
3.66
1.1617e-05
3.181e-08
d
yr
n .2690309330693001 2.3355e-09 deg/d
Q 2.793490008760114 1.6167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1023  
   data-arc span      8691 days (23.79 yr)  
   first obs. used      1991-07-14  
   last obs. used      2015-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49785  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:17:52  

Additional Information
 Earth MOID = .952438 au 
 Jupiter MOID = 2.5303 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 14.6 mag n/a MPO337372  

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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