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21926 Jacobperry (1999 VH54)
Classification: Main-belt Asteroid          SPK-ID: 2021926
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03938559273901583 3.5953e-08  
a 3.040470849343298 1.7497e-08 au
q 2.920720102736213 1.0404e-07 au
i .506494595166888 3.5728e-06 deg
node 73.00443153436844 0.00047281 deg
peri 162.9033995647513 0.00047595 deg
M 150.6801229501173 5.5669e-05 deg
tp 2458389.981078395369
(2018-Sep-28.48107840)
0.00029828 TDB
period 1936.465182433275
5.30
1.6716e-05
4.577e-08
d
yr
n .1859057437571071 1.6048e-09 deg/d
Q 3.160221595950383 1.8187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1382  
   data-arc span      9511 days (26.04 yr)  
   first obs. used      1994-12-28  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:55:07  

Additional Information
 Earth MOID = 1.90733 au 
 Jupiter MOID = 1.81725 au 
 T_jup = 3.239 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO347691  

21926 Jacobperry           Discovered 1999 Nov. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jacob P. Perry (b. 1994) is a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his engineering project. He attends the Winans Elementary School, Livingston, Montana.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051019/MPCPages.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 VH54 = 1996 CZ1 = 1997 GQ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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