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13433 Phelps (1999 VP52)
Classification: Main-belt Asteroid          SPK-ID: 2013433
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1763458124461404 2.5943e-08  
a 2.375625775678284 7.0362e-09 au
q 1.956694118198305 6.2585e-08 au
i 5.218542046173853 3.0561e-06 deg
node 82.81239555399654 3.7429e-05 deg
peri 243.9764683847626 3.8728e-05 deg
M 302.309052211549 1.0176e-05 deg
tp 2459214.823919604324
(2020-Dec-31.32391960)
3.8001e-05 TDB
period 1337.412783379553
3.66
5.9418e-06
1.627e-08
d
yr
n .2691764311466383 1.1959e-09 deg/d
Q 2.794557433158264 8.277e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1823  
   data-arc span      10566 days (28.93 yr)  
   first obs. used      1991-07-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:36:59  

Additional Information
 Earth MOID = .951654 au 
 Jupiter MOID = 2.54128 au 
 T_jup = 3.515 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO473949  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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