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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756258741158337 4.6067e-08  
a 2.375546092908479 1.276e-08 au
q 1.958338733838974 1.1193e-07 au
i 5.21832232669792 4.5641e-06 deg
node 82.81572651025603 5.5387e-05 deg
peri 244.0958139712216 5.7196e-05 deg
M 285.2888864467754 1.7305e-05 deg
tp 2457878.040475399054
(2017-May-04.54047540)
6.5666e-05 JED
period 1337.345495091297
3.66
1.0775e-05
2.95e-08
d
yr
n .2691899747083858 2.1689e-09 deg/d
Q 2.792753451977984 1.5001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1153  
   data-arc span      9044 days (24.76 yr)  
   first obs. used      1991-07-14  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48711  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:16:33  

Additional Information
 Earth MOID = .952705 au 
 Jupiter MOID = 2.5328 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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