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

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168061322466077 8.465e-08  
a 2.609630691210406 3.4628e-08 au
q 2.043846754457036 2.3487e-07 au
i 14.75890969403917 9.2598e-06 deg
node 341.6451017987473 2.2196e-05 deg
peri 327.4267286669509 2.6996e-05 deg
M 33.42691693966574 1.3998e-05 deg
tp 2457257.524762924050
(2015-Aug-23.02476292)
5.99e-05 JED
period 1539.809532546634
4.22
3.0648e-05
8.391e-08
d
yr
n .2337951495887996 4.6534e-09 deg/d
Q 3.175414627963776 4.2135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      9197 days (25.18 yr)  
   first obs. used      1990-09-16  
   last obs. used      2015-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6037  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 21:11:47  

Additional Information
 Earth MOID = 1.04341 au 
 Jupiter MOID = 2.18669 au 
 T_jup = 3.331 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO264329  

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 | Physical Parameters | Discovery Circumstances ]
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