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85083 (2305 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085083
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2397982341381622 3.3801e-08  
a 2.32325085060147 7.9301e-09 au
q 1.766139399167254 8.0114e-08 au
i 1.781332702695363 4.8409e-06 deg
node 175.4042602219678 0.00011247 deg
peri 145.4726725445213 0.00011324 deg
M 93.98252315556765 1.0822e-05 deg
tp 2458662.834116216526
(2019-Jun-28.33411622)
3.944e-05 TDB
period 1293.428970414371
3.54
6.6224e-06
1.813e-08
d
yr
n .2783299340238746 1.4251e-09 deg/d
Q 2.880362302035685 9.8317e-09 au
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      16861 days (46.16 yr)  
   first obs. used      1973-09-29  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52605  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:01:32  

Additional Information
 Earth MOID = .75379 au 
 Jupiter MOID = 2.44641 au 
 T_jup = 3.536 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO502663  

85083 (2305 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 2305 T-2 = 1987 QN2 = 1997 GR16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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