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312993 (1999 TH170)
Classification: Main-belt Asteroid          SPK-ID: 2312993
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977552243162753 3.9514e-08  
a 2.42740549347702 1.0486e-08 au
q 1.947373375607912 9.9051e-08 au
i 1.165878925085324 3.7589e-06 deg
node 294.7826001417729 0.00031216 deg
peri 136.6454176579794 0.00031263 deg
M 130.1435477735819 1.796e-05 deg
tp 2458501.118943956923
(2019-Jan-17.61894396)
6.7295e-05 TDB
period 1381.37605168315
3.78
8.9507e-06
2.451e-08
d
yr
n .2606097011464437 1.6886e-09 deg/d
Q 2.907437611346126 1.2559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      7515 days (20.57 yr)  
   first obs. used      1999-09-30  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:29:08  

Additional Information
 Earth MOID = .962175 au 
 Jupiter MOID = 2.37704 au 
 T_jup = 3.482 
[ 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 17.1   n/a MPO455307  

312993 (1999 TH170)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 1999 TH170 = 2003 WH136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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