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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619143694869529 3.6491e-08  
a 3.092506973389439 1.6905e-08 au
q 2.591785656659082 1.1959e-07 au
i 2.250183525236841 3.5493e-06 deg
node 88.21530463886364 0.00010655 deg
peri 176.155018015745 0.00010727 deg
M 308.3664482456217 1.3276e-05 deg
tp 2459285.400989571251
(2021-Mar-11.90098957)
7.3849e-05 TDB
period 1986.38971677855
5.44
1.6288e-05
4.459e-08
d
yr
n .1812333183962682 1.4861e-09 deg/d
Q 3.593228290119795 1.9642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1903  
   data-arc span      10772 days (29.49 yr)  
   first obs. used      1990-12-19  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:14:38  

Additional Information
 Earth MOID = 1.57604 au 
 Jupiter MOID = 1.48883 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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