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17755 (1998 DU11)
Classification: Main-belt Asteroid          SPK-ID: 2017755
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618038630933648 4.0123e-08  
a 3.093766914942433 1.8943e-08 au
q 2.593183476594306 1.2767e-07 au
i 2.250207601634995 4.5366e-06 deg
node 88.21773334669419 0.00010766 deg
peri 176.0032556851485 0.00010837 deg
M 236.0397786202094 1.3201e-05 deg
tp 2459284.899455595235
(2021-Mar-11.39945560)
7.4495e-05 TDB
period 1987.60377540317
5.44
1.8255e-05
4.998e-08
d
yr
n .181122618328181 1.6635e-09 deg/d
Q 3.59435035329056 2.2008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1617  
   data-arc span      10580 days (28.97 yr)  
   first obs. used      1990-12-19  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50738  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:22:25  

Additional Information
 Earth MOID = 1.57706 au 
 Jupiter MOID = 1.48664 au 
 T_jup = 3.203 
[ 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 13.3   n/a MPO395173  
diameter diameter 10.699 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17755 (1998 DU11)          Discovered 1998-Feb-24 by JPL/GEODSS NEAT at Haleakala
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DU11 = 1993 GT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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