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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822183149368386 4.6622e-08  
a 2.286380070423034 7.892e-09 au
q 1.869759746685379 1.0509e-07 au
i 5.197005610739982 4.8415e-06 deg
node 173.7258083806285 3.6925e-05 deg
peri 192.9273937000415 3.8102e-05 deg
M 172.3137127522131 9.124e-06 deg
tp 2458396.080586710998
(2018-Oct-04.58058671)
3.1358e-05 TDB
period 1262.760724661167
3.46
6.5381e-06
1.79e-08
d
yr
n .2850896396833991 1.4761e-09 deg/d
Q 2.70300039416069 9.33e-09 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      9830 days (26.91 yr)  
   first obs. used      1993-05-20  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:35:19  

Additional Information
 Earth MOID = .868531 au 
 Jupiter MOID = 2.757 au 
 T_jup = 3.574 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457407.5 (2016-Jan-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820587040220965 4.6704e-08  
q 1.870203651289571 1.0523e-07 au
tp 2457130.880084050268
(2015-Apr-18.38008405)
3.0908e-05 TDB
node 173.7560763804838 3.6905e-05 deg
peri 192.4723670846707 3.808e-05 deg
i 5.196945136846194 4.844e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      9830 days (26.91 yr)  
   first obs. used      1993-05-20  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:35:19  

Additional Information
 Jupiter MOID = 2.757 au 
 T_jup = 3.574 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.181281301709503E-15 -4.906273101844741E-15 -2.076895646221513E-13 1.90106543637455E-14 -4.186164336894683E-14 7.32625328585581E-16
q -4.906273101844741E-15 1.107403804265692E-14 4.681418620896395E-13 -4.319090779997363E-14 9.585079646239207E-14 -1.552628446289149E-15
tp -2.076895646221513E-13 4.681418620896395E-13 9.552854313196379E-10 -3.916060394451031E-12 2.969592617738344E-10 1.584249657450796E-12
node 1.90106543637455E-14 -4.319090779997363E-14 -3.916060394451031E-12 1.361955635330212E-9 -1.356664452816407E-9 3.429709035506163E-12
peri -4.186164336894683E-14 9.585079646239207E-14 2.969592617738344E-10 -1.356664452816407E-9 1.4500688407879E-9 -2.93841064245157E-12
i 7.32625328585581E-16 -1.552628446289149E-15 1.584249657450796E-12 3.429709035506163E-12 -2.93841064245157E-12 2.346437835982574E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2106-Feb-15 07:31 00:02 Hebe 0.0437257290583443 0.0437199081262725 0.043731554168854 3.55921591685488 3.55921587690954 2490305.813269941 1.55262899329281 737.25207622492 32.5454156153536 66.9571112486476 184835.943612543 T 16 CATAB v2.0f-lin.ifort 2020-May-20 15:35:36 2020-May-20 15:35
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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