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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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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06619224009251271 5.6673e-08  
a 3.199715716265007 3.3506e-08 au
q 2.987919365346207 1.8819e-07 au
i 1.434026240776674 6.0153e-06 deg
node 136.1898332410422 0.00016968 deg
peri 12.54359843553473 0.0001746 deg
M 173.0225342248874 4.638e-05 deg
tp 2457995.732251236154
(2017-Aug-30.23225124)
0.0002584 TDB
period 2090.573873370973
5.72
3.2837e-05
8.99e-08
d
yr
n .1722015206377344 2.7048e-09 deg/d
Q 3.411512067183807 3.5724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58514  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:57:23  

Additional Information
 Earth MOID = 1.99916 au 
 Jupiter MOID = 1.5776 au 
 T_jup = 3.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457289.5 (2015-Sep-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06146191734663033 5.635e-08  
q 3.005107653255919 1.8549e-07 au
tp 2457985.831722937675
(2017-Aug-20.33172294)
0.00027778 TDB
node 136.3398419296353 0.00017072 deg
peri 11.17363258235048 0.00017641 deg
i 1.430780233422931 5.9975e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58514  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:57:23  

Additional Information
 Jupiter MOID = 1.5776 au 
 T_jup = 3.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.175273185095478E-15 -1.030671634596791E-14 1.558464453803049E-12 -9.758130878161559E-15 3.060028696115804E-13 1.451052429942722E-16
q -1.030671634596791E-14 3.440624980684013E-14 8.456515111439494E-13 3.748173538844966E-14 -9.03258111236538E-14 5.787317549127383E-18
tp 1.558464453803049E-12 8.456515111439494E-13 7.715896257689082E-8 -9.689631599328245E-12 1.235600272336045E-8 2.426188468358072E-12
node -9.758130878161559E-15 3.748173538844966E-14 -9.689631599328245E-12 2.914565567338097E-8 -2.913828914990373E-8 3.895647002195211E-10
peri 3.060028696115804E-13 -9.03258111236538E-14 1.235600272336045E-8 -2.913828914990373E-8 3.112027297946699E-8 -3.890778084969727E-10
i 1.451052429942722E-16 5.787317549127383E-18 2.426188468358072E-12 3.895647002195211E-10 -3.890778084969727E-10 3.596998147538575E-11

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

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Alternate Designations
 2004 XZ169 = 2000 BP32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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