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JPL Small-Body Database Browser
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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619143695680409 3.8158e-08  
a 3.092506973626297 1.7831e-08 au
q 2.591785656606825 1.2324e-07 au
i 2.250180364663471 4.0768e-06 deg
node 88.21530291685374 0.0001067 deg
peri 176.1550198941019 0.00010741 deg
M 308.3664480110036 1.333e-05 deg
tp 2459285.400990898546
(2021-Mar-11.90099090)
7.4218e-05 TDB
period 1986.38971700676
5.44
1.718e-05
4.704e-08
d
yr
n .1812333183754469 1.5674e-09 deg/d
Q 3.593228290645769 2.0718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1685  
   data-arc span      10639 days (29.13 yr)  
   first obs. used      1990-12-19  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50831  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:11:18  

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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