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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959927744878234 3.1528e-08  
a 2.369922536737789 7.2169e-09 au
q 1.905434843441329 7.5575e-08 au
i 3.577681653292064 4.1639e-06 deg
node 356.9789136657959 4.8602e-05 deg
peri 42.56213815295628 4.9726e-05 deg
M 101.4315432226673 9.28e-06 deg
tp 2458825.034372127184
(2019-Dec-07.53437213)		 3.4298e-05 TDB
period 1332.599522196833
3.65		 6.0871e-06
1.667e-08		 d
yr
n .2701486785816405 1.234e-09 deg/d
Q 2.834410230034249 8.6314e-09 au
   Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      11090 days (30.36 yr)  
   first obs. used      1990-11-11  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4857  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:06:49  

Additional Information
 Earth MOID = .913895 au 
 Jupiter MOID = 2.59373 au 
 T_jup = 3.517 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457350.5 (2015-Nov-24.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1960164630572845 3.1678e-08  
q 1.90541602696168 7.593e-08 au
tp 2457489.683240198470
(2016-Apr-11.18324020)		 3.4659e-05 TDB
node 357.1231675129906 4.8449e-05 deg
peri 41.85747194955947 4.9583e-05 deg
i 3.58482582369888 4.1688e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      11090 days (30.36 yr)  
   first obs. used      1990-11-11  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4857  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:06:49  

Additional Information
 Jupiter MOID = 2.59373 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.003518884498781E-15 -2.398529789399423E-15 -3.477319667360495E-13 1.331197613662349E-14 -1.001359988096343E-13 -1.186563057347768E-15
q -2.398529789399423E-15 5.765389620603416E-15 7.967943594588659E-13 -3.248076758617625E-14 2.29241331486821E-13 2.9860174925807E-15
tp -3.477319667360495E-13 7.967943594588659E-13 1.201215359964541E-9 -1.066932247659978E-11 3.726064329888679E-10 1.377182905455208E-12
node 1.331197613662349E-14 -3.248076758617625E-14 -1.066932247659978E-11 2.347283282230133E-9 -2.344952144428722E-9 -1.29106955855817E-11
peri -1.001359988096343E-13 2.29241331486821E-13 3.726064329888679E-10 -2.344952144428722E-9 2.458424482430419E-9 1.325243999827256E-11
i -1.186563057347768E-15 2.9860174925807E-15 1.377182905455208E-12 -1.29106955855817E-11 1.325243999827256E-11 1.73790794819838E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.88   n/a E2021B10  

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

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