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17316 (1198 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2017316
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076814786222744 3.7705e-08  
a 3.09346339557657 1.7267e-08 au
q 2.760354683077003 1.1169e-07 au
i 4.060006684433375 3.5997e-06 deg
node 313.9726614869456 6.4273e-05 deg
peri 194.8252361142811 6.7511e-05 deg
M 45.7372488694502 1.9805e-05 deg
tp 2458748.016247509443
(2019-Sep-21.51624751)
0.00010934 TDB
period 1987.311286606756
5.44
1.6639e-05
4.556e-08
d
yr
n .1811492756198671 1.5167e-09 deg/d
Q 3.426572108076137 1.9126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1378  
   data-arc span      17982 days (49.23 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54407  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:08:31  

Additional Information
 Earth MOID = 1.77203 au 
 Jupiter MOID = 1.58633 au 
 T_jup = 3.211 
[ 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 13.9   n/a MPO467890  

17316 (1198 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1198 T-1 = 1990 TM9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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