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173845 (2001 TP123)
Classification: Main-belt Asteroid          SPK-ID: 2173845
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08939166554055517 4.1941e-08  
a 3.125844598596679 2.8981e-08 au
q 2.846420143707174 1.3398e-07 au
i 9.838834890780287 5.8217e-06 deg
node 298.7478772944087 2.5234e-05 deg
peri 74.2862317180178 4.1205e-05 deg
M 134.0420826048047 3.3015e-05 deg
tp 2458248.897583359880
(2018-May-10.39758336)
0.0001817 TDB
period 2018.596434286858
5.53
2.8072e-05
7.686e-08
d
yr
n .178341739777809 2.4802e-09 deg/d
Q 3.405269053486184 3.1571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      6824 days (18.68 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:30:59  

Additional Information
 Earth MOID = 1.86606 au 
 Jupiter MOID = 2.08475 au 
 T_jup = 3.186 
[ 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 15.0   n/a MPO469864  

173845 (2001 TP123)          Discovered 2001-Oct-12 by NEAT at Haleakala
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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