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18226 (1182 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2018226
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613924890380207 1.643e-08  
a 2.670296607409564 1.0258e-08 au
q 2.239330791469952 4.6583e-08 au
i 12.9562720173957 1.0002e-06 deg
node 188.22939397899 4.6574e-06 deg
peri 208.4021816873905 7.7549e-06 deg
M 283.0116280494202 8.6115e-06 deg
tp 2459541.347660871164
(2021-Nov-22.84766087)
3.8969e-05 TDB
period 1593.814167058702
4.36
9.1836e-06
2.514e-08
d
yr
n .2258732589034269 1.3015e-09 deg/d
Q 3.101262423349175 1.1913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2110  
   data-arc span      25286 days (69.23 yr)  
   first obs. used      1951-08-10  
   last obs. used      2020-11-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:26  

Additional Information
 Earth MOID = 1.25183 au 
 Jupiter MOID = 2.36602 au 
 T_jup = 3.327 
[ 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 13.08   n/a E2021B10  
diameter diameter 5.627 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.386   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18226 (1182 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1182 T-1 = 1986 TY14 = 1998 KB53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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