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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619337666350197 4.5242e-08  
a 2.66908903287508 1.2008e-08 au
q 2.236873392297397 1.17e-07 au
i 12.95540416415682 4.6581e-06 deg
node 188.295403074676 1.72e-05 deg
peri 208.4807149052129 2.0571e-05 deg
M 237.7229521918944 1.2636e-05 deg
tp 2459541.485297226155
(2021-Nov-22.98529723)
5.7404e-05 TDB
period 1592.733145692659
4.36
1.0748e-05
2.943e-08
d
yr
n .226026563818034 1.5253e-09 deg/d
Q 3.101304673452765 1.3953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1769  
   data-arc span      25008 days (68.47 yr)  
   first obs. used      1951-08-10  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50838  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:21:53  

Additional Information
 Earth MOID = 1.25063 au 
 Jupiter MOID = 2.36473 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 13.1   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1905-May-26 10:55 00:02 Eunom 0.0435316184751621 0.0435293385196354 0.0435339015159664 5.75219765698881 5.75219760092853 2416991.955094625 1.55057491823086 609.443295553175 29.9400731401812 79.6173454852133 213845.737579306 T 22 CATAB v2.0f-lin.ifort 2020-Feb-22 22:22:11 2020-Feb-22 22:22

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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