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118247 (1997 TH1)
Classification: Main-belt Asteroid          SPK-ID: 2118247
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974100561592454 5.3971e-08  
a 2.426453757363618 1.009e-08 au
q 1.947447384854655 1.3456e-07 au
i 1.946006468877709 5.1004e-06 deg
node 321.8397332661124 0.00013523 deg
peri 24.59853849995857 0.00013564 deg
M 354.2160897586281 1.1537e-05 deg
tp 2459022.680712842965
(2020-Jun-22.18071284)
4.4314e-05 TDB
period 1380.563717318912
3.78
8.6113e-06
2.358e-08
d
yr
n .2607630459093397 1.6265e-09 deg/d
Q 2.905460129872582 1.2082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      8412 days (23.03 yr)  
   first obs. used      1997-07-16  
   last obs. used      2020-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48942  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:02:24  

Additional Information
 Earth MOID = .940587 au 
 Jupiter MOID = 2.51148 au 
 T_jup = 3.483 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO436568  

118247 (1997 TH1)          Discovered 1997-Oct-03 by ODAS at Caussols
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1997 TH1 = 2001 QF182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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