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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2943593312536059 5.1407e-08  
a 2.714149872661488 1.5528e-08 AU
q 1.915214531222793 1.4137e-07 AU
i 8.16701161561793 8.0154e-06 deg
node 343.720916660658 4.1924e-05 deg
peri 46.82946907350723 4.4024e-05 deg
M 175.3624620825869 1.4903e-05 deg
tp 2456004.921023174327
(2012-Mar-18.42102317)
6.3746e-05 JED
period 1633.236829911514
4.47
1.4016e-05
3.837e-08
d
yr
n .2204211865706605 1.8916e-09 deg/d
Q 3.513085214100184 2.0099e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      18748 days (51.33 yr)  
   first obs. used      1962-09-22  
   last obs. used      2014-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51809  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:19:38  

Additional Information
 Earth MOID = .929201 AU 
 T_jup = 3.284 
[ 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 (402)
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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