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85500 (1997 TP13)
Classification: Main-belt Asteroid          SPK-ID: 2085500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .195890220473397 3.2189e-08  
a 2.369961234721719 7.454e-09 au
q 1.905709005938678 7.7427e-08 au
i 3.577434723776692 4.2199e-06 deg
node 356.9825978643887 5.0701e-05 deg
peri 42.57342669399289 5.193e-05 deg
M 47.39968779877621 9.6617e-06 deg
tp 2458825.037921035922
(2019-Dec-07.53792104)
3.5794e-05 TDB
period 1332.632161950629
3.65
6.2871e-06
1.721e-08
d
yr
n .2701420619123083 1.2745e-09 deg/d
Q 2.834213463504761 8.9142e-09 au
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      10670 days (29.21 yr)  
   first obs. used      1990-11-11  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:13  

Additional Information
 Earth MOID = .915209 au 
 Jupiter MOID = 2.59286 au 
 T_jup = 3.517 
[ 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 MPO299497  

85500 (1997 TP13)          Discovered 1997-Oct-03 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Alternate Designations
 1997 TP13 = 1999 EP14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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