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18283 (5165 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2018283
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1642777599681235 4.3161e-08  
a 2.440832009851086 9.1021e-09 au
q 2.039857594814257 1.0315e-07 au
i 7.132959924154368 3.1859e-06 deg
node 88.00100446013099 3.3328e-05 deg
peri 253.3114584166962 3.5036e-05 deg
M 145.4685136980605 1.1252e-05 deg
tp 2458637.677095778972
(2019-Jun-03.17709578)
4.2959e-05 TDB
period 1392.852929948314
3.81
7.7911e-06
2.133e-08
d
yr
n .2584623202202396 1.4457e-09 deg/d
Q 2.841806424887915 1.0597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1261  
   data-arc span      15860 days (43.42 yr)  
   first obs. used      1977-10-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5214  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:26:02  

Additional Information
 Earth MOID = 1.04309 au 
 Jupiter MOID = 2.56176 au 
 T_jup = 3.473 
[ 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 15.06   n/a E2021B10  
diameter diameter 2.572 km 0.465 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.321   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18283 (5165 T-3)          Discovered 1977-Oct-16 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
 5165 T-3 = 1999 JC41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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