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134081 Johnmarshall (2004 XY87)
Classification: Main-belt Asteroid          SPK-ID: 2134081
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0750016749616559 5.0143e-08  
a 3.058664492617648 2.8072e-08 au
q 2.829259532525581 1.5157e-07 au
i 10.09520820926545 5.3446e-06 deg
node 78.4537160615882 2.7547e-05 deg
peri 169.8119979668316 4.2372e-05 deg
M 214.5947406127767 3.4749e-05 deg
tp 2459989.675881076531
(2023-Feb-14.17588108)
0.00019225 TDB
period 1953.872359121249
5.35
2.6899e-05
7.365e-08
d
yr
n .1842494973222864 2.5366e-09 deg/d
Q 3.288069452709715 3.0178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      8090 days (22.15 yr)  
   first obs. used      1998-11-24  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:59:06  

Additional Information
 Earth MOID = 1.81412 au 
 Jupiter MOID = 1.74582 au 
 T_jup = 3.207 
[ 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 14.8   n/a MPO436655  

134081 Johnmarshall           Discovered 2004 Dec. 9 by the Catalina Sky Survey.
John Marshall (b. 1948) was the Asteroid Scientist - Regolith for the OSIRIS-REx mission.
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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