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13512 (1989 TH1)
Classification: Main-belt Asteroid          SPK-ID: 2013512
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2939968203619945 4.7262e-08  
a 2.715294518422604 1.6687e-08 au
q 1.917006563660006 1.3078e-07 au
i 8.166397417574421 7.187e-06 deg
node 343.7080036814463 3.7134e-05 deg
peri 46.77690019376868 3.9046e-05 deg
M 307.6356509791445 1.5294e-05 deg
tp 2457638.215253084369
(2016-Sep-06.71525308)
7.0966e-05 JED
period 1634.270122909185
4.47
1.5065e-05
4.125e-08
d
yr
n .2202818218074986 2.0306e-09 deg/d
Q 3.513582473185203 2.1593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      18910 days (51.77 yr)  
   first obs. used      1962-09-22  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48463  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:20:04  

Additional Information
 Earth MOID = .930758 au 
 Jupiter MOID = 2.00898 au 
 T_jup = 3.283 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a PDS3 (MPC 38319)  

13512 (1989 TH1)          Discovered 1989-Oct-08 by Sugie, A. at Dynic
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 TH1 = 1935 QR = 1962 SD 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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