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173863 (2001 TR204)
Classification: Main-belt Asteroid          SPK-ID: 2173863
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858789805078044 3.9262e-08  
a 2.903016410419029 2.448e-08 au
q 2.363406679652913 1.1422e-07 au
i 10.79913087549392 7.166e-06 deg
node 66.15667196106006 2.7915e-05 deg
peri 251.8733985520103 3.6236e-05 deg
M 312.8407423884719 2.3189e-05 deg
tp 2459237.166681996595
(2021-Jan-22.66668200)
0.00011787 TDB
period 1806.644333136128
4.95
2.2852e-05
6.257e-08
d
yr
n .1992644558738804 2.5205e-09 deg/d
Q 3.442626141185144 2.9031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6399 days (17.52 yr)  
   first obs. used      2001-09-25  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:33:38  

Additional Information
 Earth MOID = 1.37712 au 
 Jupiter MOID = 1.9419 au 
 T_jup = 3.234 
[ 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 15.8   n/a MPO469864  

173863 (2001 TR204)          Discovered 2001-Oct-11 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 TR204 = 2005 KH5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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