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186491 (2002 TE226)
Classification: Main-belt Asteroid          SPK-ID: 2186491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2473971257388536 4.5968e-08  
a 2.351345324535016 7.5339e-09 au
q 1.769629249625561 1.08e-07 au
i 6.208525731322998 3.7006e-06 deg
node 118.9983390388333 4.388e-05 deg
peri 271.1038313504929 4.4639e-05 deg
M 24.65556790432166 7.1678e-06 deg
tp 2459110.304356889162
(2020-Sep-17.80435689)
2.6246e-05 TDB
period 1316.961411957988
3.61
6.3295e-06
1.733e-08
d
yr
n .2733565286964416 1.3138e-09 deg/d
Q 2.933061399444472 9.3978e-09 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      8215 days (22.49 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:28  

Additional Information
 Earth MOID = .787056 au 
 Jupiter MOID = 2.53628 au 
 T_jup = 3.508 
[ 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 16.69   n/a E2021B55  
diameter diameter 2.945 km 0.686 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.047   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

186491 (2002 TE226)          Discovered 2002-Oct-08 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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