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85297 (1994 TJ8)
Classification: Main-belt Asteroid          SPK-ID: 2085297
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1911079929186797 3.7019e-08  
a 2.225215130027689 7.1063e-09 au
q 1.799958732715819 8.4827e-08 au
i 1.698482432337506 3.9078e-06 deg
node 148.9542115874562 0.00013526 deg
peri 191.2492833978716 0.00013564 deg
M 282.592072153019 1.0111e-05 deg
tp 2459261.199005395085
(2021-Feb-15.69900540)
3.434e-05 TDB
period 1212.429328010891
3.32
5.8079e-06
1.59e-08
d
yr
n .2969245230900304 1.4223e-09 deg/d
Q 2.65047152733956 8.4643e-09 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      9382 days (25.69 yr)  
   first obs. used      1994-10-04  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:16:15  

Additional Information
 Earth MOID = .791346 au 
 Jupiter MOID = 2.73808 au 
 T_jup = 3.622 
[ 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 16.9   n/a MPO422236  

85297 (1994 TJ8)          Discovered 1994-Oct-06 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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