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85497 (1997 TP11)
Classification: Main-belt Asteroid          SPK-ID: 2085497
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03334906389773441 4.8091e-08  
a 2.926534337882049 2.0786e-08 au
q 2.828937157249106 1.4184e-07 au
i .8974851851329069 6.1772e-06 deg
node 308.6378979564181 0.00035795 deg
peri 165.4340642130764 0.00037404 deg
M 69.33317543776595 0.00010667 deg
tp 2458648.317758221518
(2019-Jun-13.81775822)
0.00054215 TDB
period 1828.642727521654
5.01
1.9482e-05
5.334e-08
d
yr
n .1968673238254174 2.0974e-09 deg/d
Q 3.024131518514992 2.1479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      8248 days (22.58 yr)  
   first obs. used      1997-09-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:37:21  

Additional Information
 Earth MOID = 1.84535 au 
 Jupiter MOID = 1.99707 au 
 T_jup = 3.277 
[ 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 15.4   n/a MPO426529  

85497 (1997 TP11)          Discovered 1997-Oct-07 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 TP11 = 2000 ER164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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