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142369 Johnhodges (2002 RE234)
Classification: Main-belt Asteroid          SPK-ID: 2142369
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08350335736895834 5.1178e-08  
a 2.453974394394661 1.2102e-08 au
q 2.249059293565251 1.2457e-07 au
i 7.127157969172719 5.3292e-06 deg
node 162.0148447514335 3.1143e-05 deg
peri 8.147972412890473 3.9404e-05 deg
M 133.0569846311878 2.2401e-05 deg
tp 2458877.534313711970
(2020-Jan-29.03431371)
8.7769e-05 TDB
period 1404.117548443972
3.84
1.0386e-05
2.844e-08
d
yr
n .2563887905246595 1.8965e-09 deg/d
Q 2.658889495224071 1.3112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      7382 days (20.21 yr)  
   first obs. used      2001-05-24  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:45:44  

Additional Information
 Earth MOID = 1.25625 au 
 Jupiter MOID = 2.30395 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457385.5 (2015-Dec-29.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08459012539011494 5.1076e-08  
q 2.245402118174128 1.2473e-07 au
tp 2457473.806311916648
(2016-Mar-26.30631192)
8.8371e-05 TDB
node 162.0550099578317 3.116e-05 deg
peri 7.81218045459332 3.9208e-05 deg
i 7.125520376811385 5.3285e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      7382 days (20.21 yr)  
   first obs. used      2001-05-24  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:45:44  

Additional Information
 Jupiter MOID = 2.30395 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.608745654256294E-15 -6.345687189766671E-15 6.69617410180843E-13 7.846003505705262E-15 1.674424779319429E-13 -3.008839052311421E-17
q -6.345687189766671E-15 1.555863377010895E-14 -1.886682513890451E-12 -2.019575299074263E-14 -4.763576161803637E-13 4.372737485352175E-16
tp 6.69617410180843E-13 -1.886682513890451E-12 7.809423629578794E-9 -6.876182759640774E-12 2.114850099180206E-9 -2.501115046992686E-12
node 7.846003505705262E-15 -2.019575299074263E-14 -6.876182759640774E-12 9.709756742159812E-10 -9.64832727058961E-10 4.526715775751E-11
peri 1.674424779319429E-13 -4.763576161803637E-13 2.114850099180206E-9 -9.64832727058961E-10 1.537232041945463E-9 -4.566826872905424E-11
i -3.008839052311421E-17 4.372737485352175E-16 -2.501115046992686E-12 4.526715775751E-11 -4.566826872905424E-11 2.839260896966097E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.76   n/a MPO637724  

142369 Johnhodges           Discovered 2002 Sept. 14 by R. Matson on NEAT images taken at Palomar.
John V. Hodges (1918-1983) was an active member and later observatory director of the Regina Astronomical Society. He was also a member of the Meteoritical Society and the National Research Council of Canada's Associate Committee on Meteorites. The name was suggested by E. Majden.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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