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160511 (1990 SD11)
Classification: Main-belt Asteroid          SPK-ID: 2160511
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2170095519067838 7.2133e-08  
a 2.610137062031519 2.758e-08 au
q 2.043712387784769 1.99e-07 au
i 14.75442591846974 7.9573e-06 deg
node 341.6141607850405 1.7389e-05 deg
peri 327.1713250758007 2.0552e-05 deg
M 314.3694812121198 1.2529e-05 deg
tp 2458795.729886851341
(2019-Nov-08.22988685)
5.5183e-05 TDB
period 1540.257729551618
4.22
2.4413e-05
6.684e-08
d
yr
n .2337271179316198 3.7046e-09 deg/d
Q 3.176561736278268 3.3565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      10419 days (28.53 yr)  
   first obs. used      1990-09-16  
   last obs. used      2019-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57921  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:21:13  

Additional Information
 Earth MOID = 1.04455 au 
 Jupiter MOID = 2.1942 au 
 T_jup = 3.331 
[ 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 14.6   n/a MPO436809  
diameter diameter 5.025 km 0.575 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160511 (1990 SD11)          Discovered 1990-Sep-16 by Holt, H. E. at Palomar
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 1990 SD11 = 2006 GC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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