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226191 (2002 TC257)
Classification: Main-belt Asteroid          SPK-ID: 2226191
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709779389880848 7.739e-08  
a 2.252230685196981 1.2807e-08 au
q 1.867148924516279 1.6734e-07 au
i 2.677823464663242 5.8376e-06 deg
node 192.149277684629 0.00010276 deg
peri 180.4214992854874 0.0001047 deg
M 90.08497498378941 1.655e-05 deg
tp 2458691.564657305324
(2019-Jul-27.06465731)
5.6353e-05 TDB
period 1234.575725753342
3.38
1.0531e-05
2.883e-08
d
yr
n .2915981518916766 2.4873e-09 deg/d
Q 2.637312445877683 1.4997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6323 days (17.31 yr)  
   first obs. used      2002-10-09  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:51:18  

Additional Information
 Earth MOID = .867396 au 
 Jupiter MOID = 2.82697 au 
 T_jup = 3.605 
[ 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 17.5   n/a MPO433482  
diameter diameter 1.843 km 0.437 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226191 (2002 TC257)          Discovered 2002-Oct-09 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2002 TC257 = 2005 MH33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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