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85310 (1994 WH5)
Classification: Main-belt Asteroid          SPK-ID: 2085310
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957339041156527 4.9012e-08  
a 2.668296101090834 1.3353e-08 au
q 2.14602008788775 1.3493e-07 au
i 1.359508648308744 6.3904e-06 deg
node 218.2186124513439 0.0002157 deg
peri 231.1449695376058 0.00021662 deg
M 6.238388841226358 1.7364e-05 deg
tp 2459368.912051947822
(2021-Jun-03.41205195)
7.6744e-05 TDB
period 1592.023445725404
4.36
1.195e-05
3.272e-08
d
yr
n .2261273230407522 1.6974e-09 deg/d
Q 3.190572114293917 1.5967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      9581 days (26.23 yr)  
   first obs. used      1994-10-13  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58392  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:24  

Additional Information
 Earth MOID = 1.16287 au 
 Jupiter MOID = 2.02264 au 
 T_jup = 3.354 
[ 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 17.02   n/a MPCxxxxx  

85310 (1994 WH5)          Discovered 1994-Nov-28 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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