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134112 Jeremyralph (2004 XZ169)
Classification: Main-belt Asteroid          SPK-ID: 2134112
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06619223728907718 5.6789e-08  
a 3.199715738478892 3.9705e-08 au
q 2.987919395059902 1.9077e-07 au
i 1.434026963428139 6.115e-06 deg
node 136.1897711340208 0.00020603 deg
peri 12.54365257793817 0.00021021 deg
M 173.0225360555225 4.6413e-05 deg
tp 2457995.732230142048
(2017-Aug-30.23223014)
0.00025918 TDB
period 2090.573895141548
5.72
3.8913e-05
1.065e-07
d
yr
n .1722015188444823 3.2053e-09 deg/d
Q 3.411512081897881 4.2334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:27:18  

Additional Information
 Earth MOID = 1.99916 au 
 Jupiter MOID = 1.5776 au 
 T_jup = 3.191 
[ 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 14.9   n/a MPO426833  

134112 Jeremyralph           Discovered 2004 Dec. 9 by the Catalina Sky Survey.
Jeremy Ralph (b. 1983) is the United Launch Alliance Flight Design Engineer for the Atlas V rocket, launching the OSIRIS-REx Asteroid Sample Return Mission to (101955) Bennu. He also assisted on the SDO, MSL and LDCM missions.
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 ]
Alternate Designations
 2004 XZ169 = 2000 BP32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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