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JPL Small-Body Database Browser
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15666 (5021 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2015666
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1662674208076731 3.8535e-08  
a 2.570887630241327 1.125e-08 au
q 2.143432774774751 1.0292e-07 au
i 9.40762496736928 4.8837e-06 deg
node 151.9093182840388 1.9965e-05 deg
peri 248.9709285670948 2.5246e-05 deg
M 106.8098064873901 1.5429e-05 deg
tp 2458553.783806104912
(2019-Mar-11.28380610)
6.3191e-05 TDB
period 1505.646673193979
4.12
9.8828e-06
2.706e-08
d
yr
n .2390999205918078 1.5694e-09 deg/d
Q 2.998342485707903 1.312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1705  
   data-arc span      15427 days (42.24 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5074  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:53:01  

Additional Information
 Earth MOID = 1.17155 au 
 Jupiter MOID = 2.47899 au 
 T_jup = 3.392 
[ 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 14.0   n/a MPO452392  
diameter diameter 4.873 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15666 (5021 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 5021 T-3 = 1987 DF2 = 2000 FJ40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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