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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627086655460697 4.5865e-08  
a 2.667102647157716 1.2586e-08 au
q 2.233141934564294 1.1839e-07 au
i 12.96163486604283 4.722e-06 deg
node 188.3284986387792 1.7757e-05 deg
peri 208.5934694800653 2.1173e-05 deg
M 147.0869925029254 1.2554e-05 deg
tp 2457950.475404395152
(2017-Jul-15.97540440)
5.4193e-05 TDB
period 1590.95546408083
4.36
1.1261e-05
3.083e-08
d
yr
n .226279118509448 1.6017e-09 deg/d
Q 3.101063359751138 1.4634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1719  
   data-arc span      24746 days (67.75 yr)  
   first obs. used      1951-08-10  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49121  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:35:21  

Additional Information
 Earth MOID = 1.24635 au 
 Jupiter MOID = 2.36244 au 
 T_jup = 3.328 
[ 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 13.1   n/a MPO474007  
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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