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15511 (1999 TD185)
Classification: Main-belt Asteroid          SPK-ID: 2015511
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872652601819199 3.7955e-08  
a 2.636125607312509 1.0993e-08 au
q 2.142470859586911 1.0347e-07 au
i 14.67221939248152 3.1781e-06 deg
node 257.3672056472229 1.6254e-05 deg
peri 48.43096164438359 1.9957e-05 deg
M 350.3911280225744 9.6351e-06 deg
tp 2459042.227030863604
(2020-Jul-11.72703086)
4.1747e-05 TDB
period 1563.318893850241
4.28
9.7787e-06
2.677e-08
d
yr
n .2302793124398115 1.4404e-09 deg/d
Q 3.129780355038108 1.3051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1883  
   data-arc span      14419 days (39.48 yr)  
   first obs. used      1981-05-09  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:33:11  

Additional Information
 Earth MOID = 1.15536 au 
 Jupiter MOID = 2.14366 au 
 T_jup = 3.327 
[ 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 13.2   n/a MPO337390  
diameter diameter 5.799 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.331   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15511 (1999 TD185)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TD185 = 1981 JO1 = 1994 LW9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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