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11680 (1998 DT11)
Classification: Main-belt Asteroid          SPK-ID: 2011680
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176955621419613 4.0096e-08  
a 2.561514478161008 9.8877e-09 au
q 2.108240091902691 9.9601e-08 au
i 5.313324733943974 4.2914e-06 deg
node 147.5032729666158 4.0107e-05 deg
peri 61.18489347060311 4.1989e-05 deg
M 217.7479208475608 1.5938e-05 deg
tp 2459988.197550304780
(2023-Feb-12.69755030)
6.8317e-05 TDB
period 1497.420068507086
4.10
8.6703e-06
2.374e-08
d
yr
n .2404135002403946 1.392e-09 deg/d
Q 3.014788864419326 1.1637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1649  
   data-arc span      10743 days (29.41 yr)  
   first obs. used      1991-09-08  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:37:26  

Additional Information
 Earth MOID = 1.11056 au 
 Jupiter MOID = 1.95561 au 
 T_jup = 3.407 
[ 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 14.11   n/a E2021B10  
diameter diameter 4.315 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.86 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.238   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11680 (1998 DT11)          Discovered 1998-Feb-24 by JPL/GEODSS NEAT at Haleakala
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 DT11 = 1999 NX11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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