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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1956-Feb-29 18:09 00:02 Jupiter 1.98654344794209 1.98654301656471 1.9865438793197 2.18339169473008 1.97849416762462 2435533.256148512 1.86264825989453 121.560601672026 15.2869500281994 -84.6370057917021 2391356.43649212 T 12 CATAB v2.0f-lin.ifort 2020-May-20 15:37:37 2020-May-20 15:37
2062-Sep-20 22:28 00:02 Jupiter 1.99468989666439 1.99468951237787 1.99469028095068 2.26010769479764 2.06368830033039 2474453.436104796 1.55658960270777 89.4995110706712 12.3460319992474 -86.0198406696336 2544850.7407615 T 12 CATAB v2.0f-lin.ifort 2020-May-20 15:37:37 2020-May-20 15:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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