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66328 (1999 JK58)
Classification: Main-belt Asteroid          SPK-ID: 2066328
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479997515132332 3.3068e-08  
a 2.283355806492318 6.68e-09 au
q 1.945419714515157 7.6269e-08 au
i 4.34227089161889 2.88e-06 deg
node 255.9968884598336 4.573e-05 deg
peri 34.9935285814 4.718e-05 deg
M 53.1581663607101 1.0128e-05 deg
tp 2459014.408599281420
(2020-Jun-13.90859928)
3.5702e-05 TDB
period 1260.256115760305
3.45
5.5304e-06
1.514e-08
d
yr
n .2856562213806946 1.2535e-09 deg/d
Q 2.621291898469479 7.6687e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1433  
   data-arc span      7944 days (21.75 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49627  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:19  

Additional Information
 Earth MOID = .92911 au 
 Jupiter MOID = 2.53645 au 
 T_jup = 3.585 
[ 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 15.38   n/a E2021B10  
diameter diameter 1.962 km 0.440 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 32.682 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.348   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66328 (1999 JK58)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JK58 = 2000 UQ79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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