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85308 Atsushimori (1994 WG4)
Classification: Main-belt Asteroid          SPK-ID: 2085308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819708742506748 5.3416e-08  
a 2.286875893642397 8.2882e-09 au
q 1.870731087973496 1.2187e-07 au
i 5.196150781159454 5.0131e-06 deg
node 173.732947969358 4.4197e-05 deg
peri 192.9705490916755 4.6192e-05 deg
M 58.25897888692892 1.0975e-05 deg
tp 2458396.080326953164
(2018-Oct-04.58032695)
3.8553e-05 TDB
period 1263.171509402681
3.46
6.867e-06
1.88e-08
d
yr
n .2849969282241285 1.5493e-09 deg/d
Q 2.703020699311297 9.7964e-09 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      9381 days (25.68 yr)  
   first obs. used      1993-05-20  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:02:58  

Additional Information
 Earth MOID = .868662 au 
 Jupiter MOID = 2.75351 au 
 T_jup = 3.574 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456813.5 (2014-Jun-05.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822937091162344 5.3286e-08  
q 1.869861532989651 1.2153e-07 au
tp 2457130.925603989956
(2015-Apr-18.42560399)
3.9272e-05 TDB
node 173.7612891637768 4.4171e-05 deg
peri 192.4868896349089 4.6159e-05 deg
i 5.196508643704595 5.0153e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      9381 days (25.68 yr)  
   first obs. used      1993-05-20  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:02:58  

Additional Information
 Jupiter MOID = 2.75351 au 
 T_jup = 3.574 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.839424078485643E-15 -6.465784573726314E-15 4.119068128292217E-13 2.608472519260639E-14 2.109203120392374E-13 1.310383121931721E-15
q -6.465784573726314E-15 1.476852823122221E-14 -9.962664814692369E-13 -5.98141462991593E-14 -5.017935668713721E-13 -2.938004073351028E-15
tp 4.119068128292217E-13 -9.962664814692369E-13 1.542280622446146E-9 4.568997247581097E-12 5.346128729161081E-10 2.482409879376444E-12
node 2.608472519260639E-14 -5.98141462991593E-14 4.568997247581097E-12 1.951117112545865E-9 -1.939944595601632E-9 3.207634295000747E-11
peri 2.109203120392374E-13 -5.017935668713721E-13 5.346128729161081E-10 -1.939944595601632E-9 2.13066794968186E-9 -3.11079587272408E-11
i 1.310383121931721E-15 -2.938004073351028E-15 2.482409879376444E-12 3.207634295000747E-11 -3.11079587272408E-11 2.515344975511584E-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 16.4   n/a MPO459395  

85308 Atsushimori           Discovered 1994 Nov. 30 by A. Nakamura at Kuma Kogen.
Atsushi Mori (1970-2007), a Japanese astronomer, was a researcher at the National Astronomical Observatory (2000-2003) and Nishi-Harima Astronomical Observatory (2003-2007). He devoted himself to the study of cometary physics, as well as to educating the general public about astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

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