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JPL Small-Body Database Browser
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173857 (2001 TH172)
Classification: Main-belt Asteroid          SPK-ID: 2173857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1369743548863794 1.2668e-07  
a 2.910807728264992 2.8566e-08 au
q 2.512101717487607 3.6961e-07 au
i 2.930366842214776 8.3319e-06 deg
node 83.577857069 0.00020456 deg
peri 299.5334088149571 0.00020571 deg
M 192.0540891874296 2.7032e-05 deg
tp 2459446.724586018241
(2021-Aug-20.22458602)
0.00014435 TDB
period 1813.922408069522
4.97
2.6702e-05
7.311e-08
d
yr
n .1984649389623739 2.9215e-09 deg/d
Q 3.309513739042376 3.2479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      9605 days (26.30 yr)  
   first obs. used      1993-01-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61641  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:42:26  

Additional Information
 Earth MOID = 1.51642 au 
 Jupiter MOID = 2.1421 au 
 T_jup = 3.267 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO439994  

173857 (2001 TH172)          Discovered 2001-Oct-13 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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