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15966 (1998 DL13)
Classification: Main-belt Asteroid          SPK-ID: 2015966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423126723785291 1.4765e-08  
a 3.138773609804672 1.4848e-08 au
q 2.692086349402167 4.9319e-08 au
i 7.420034548765328 3.0089e-07 deg
node 133.239401810281 3.4767e-06 deg
peri 293.9726792261267 7.5265e-06 deg
M 116.2314541648656 8.6681e-06 deg
tp 2458544.717857776074
(2019-Mar-02.21785778)
4.7058e-05 TDB
period 2031.13324957416
5.56
1.4413e-05
3.946e-08
d
yr
n .1772409565327515 1.2577e-09 deg/d
Q 3.585460870207177 1.6962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2384  
   data-arc span      11911 days (32.61 yr)  
   first obs. used      1988-08-04  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47468  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:14:19  

Additional Information
 Earth MOID = 1.71646 au 
 Jupiter MOID = 1.73845 au 
 T_jup = 3.182 
[ 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 12.77   n/a E2021B10  
diameter diameter 13.697 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 31.9115 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.041   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15966 (1998 DL13)          Discovered 1998-Feb-25 by JPL/GEODSS NEAT at Haleakala
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 DL13 = 1992 AJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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