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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2165953446690239 7.1431e-08  
a 2.609090420580222 2.6575e-08 au
q 2.043973581662 1.9766e-07 au
i 14.75721046479951 7.6073e-06 deg
node 341.5893271222343 1.7368e-05 deg
peri 327.1631241519681 2.0489e-05 deg
M 47.90715142557547 1.257e-05 deg
tp 2458795.652829359911
(2019-Nov-08.15282936)
5.2138e-05 TDB
period 1539.331378218049
4.21
2.3519e-05
6.439e-08
d
yr
n .2338677721341203 3.5731e-09 deg/d
Q 3.174207259498444 3.2331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      10571 days (28.94 yr)  
   first obs. used      1990-09-16  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54905  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:20:53  

Additional Information
 Earth MOID = 1.04564 au 
 Jupiter MOID = 2.19932 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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