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18252 (3282 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2018252
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07219889480927931 4.1896e-08  
a 2.461150491706962 1.0406e-08 au
q 2.283458146246405 1.0465e-07 au
i 5.528654473119768 4.6624e-06 deg
node 34.10629721450507 4.5834e-05 deg
peri 262.9544024738304 5.738e-05 deg
M 142.6086430444078 3.6081e-05 deg
tp 2458641.838132244010
(2019-Jun-07.33813224)
0.00014148 TDB
period 1410.281088850476
3.86
8.9444e-06
2.449e-08
d
yr
n .2552682602398342 1.619e-09 deg/d
Q 2.638842837167519 1.1158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1129  
   data-arc span      17340 days (47.47 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50481  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:44  

Additional Information
 Earth MOID = 1.27389 au 
 Jupiter MOID = 2.48406 au 
 T_jup = 3.480 
[ 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 15.04   n/a MPCxxxxx  
diameter diameter 2.495 km 0.523 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.259   0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18252 (3282 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3282 T-2 = 3082 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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