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134099 Rexengelhardt (2004 XC125)
Classification: Main-belt Asteroid          SPK-ID: 2134099
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0468733115569694 4.611e-08  
a 3.112163653787027 3.0449e-08 au
q 2.966286237226791 1.5213e-07 au
i 16.28144031543344 5.9694e-06 deg
node 41.83572272477873 1.4531e-05 deg
peri 111.1966068097322 6.2074e-05 deg
M 280.1176086437442 5.9677e-05 deg
tp 2459645.480134641795
(2022-Mar-06.98013464)
0.0003334 TDB
period 2005.358699849449
5.49
2.943e-05
8.057e-08
d
yr
n .1795190057654158 2.6346e-09 deg/d
Q 3.258041070347262 3.1876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      2001-05-24  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56449  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:06:54  

Additional Information
 Earth MOID = 2.00918 au 
 Jupiter MOID = 1.77683 au 
 T_jup = 3.155 
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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 15.03   n/a MPCxxxxx  

134099 Rexengelhardt           Discovered 2004 Dec. 11 by the Catalina Sky Survey.
Rex Engelhardt (b. 1959) is the KSC Launch Services Program Mission Manger for the OSIRIS-REx Asteroid Sample Return Mission. As a Mission Manager, he has led more than 10 missions since LSP was established in 1998. He supported many payload support jobs for NASA Kennedy Space Center and the Air Force.
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

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Alternate Designations
 2004 XC125 = 2001 KR70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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