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129053 Derekshannon (2004 VP12)
Classification: Main-belt Asteroid          SPK-ID: 2129053
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052221477664758 4.8673e-08  
a 3.12449188892296 3.1504e-08 au
q 2.795726141691553 1.5988e-07 au
i 11.98417549401256 6.0063e-06 deg
node 276.6412496521836 2.9387e-05 deg
peri 151.7171311245297 4.5744e-05 deg
M 283.8791783481436 3.3599e-05 deg
tp 2459427.048575498606
(2021-Jul-31.54857550)
0.00018951 TDB
period 2017.286254236764
5.52
3.051e-05
8.353e-08
d
yr
n .1784575685497868 2.6991e-09 deg/d
Q 3.453257636154367 3.4819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 20:28:15  

Additional Information
 Earth MOID = 1.81681 au 
 Jupiter MOID = 1.8126 au 
 T_jup = 3.173 
[ 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 MPO436625  

129053 Derekshannon           Discovered 2004 Nov. 3 by the Catalina Sky Survey.
Derek Shannon (b. 1976) is the OSIRIS-REx spacecraft Mechanical Analysis Lead and mechanical Certified Test Conductor. He held the same role on the GRAIL misson, and was a stress analyst on Juno and MSL Aeroshell.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-08-18Last Updated: 2016-08-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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