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85499 (1997 TH13)
Classification: Main-belt Asteroid          SPK-ID: 2085499
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1936895928704701 5.4042e-08  
a 2.861208295429623 2.0484e-08 au
q 2.307022025570248 1.6139e-07 au
i 2.957181719621746 5.882e-06 deg
node 348.0459460680381 0.00010359 deg
peri 357.3223789946319 0.00010467 deg
M 248.5890047688374 1.8998e-05 deg
tp 2459547.576667995289
(2021-Nov-29.07666800)
9.6816e-05 TDB
period 1767.757303214685
4.84
1.8983e-05
5.197e-08
d
yr
n .2036478646391879 2.1869e-09 deg/d
Q 3.415394565288999 2.4451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      9180 days (25.13 yr)  
   first obs. used      1995-03-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:37:21  

Additional Information
 Earth MOID = 1.29978 au 
 Jupiter MOID = 2.00082 au 
 T_jup = 3.272 
[ 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 15.8   n/a MPO253865  

85499 (1997 TH13)          Discovered 1997-Oct-03 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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