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13952 Nykvist (1990 SN6)
Classification: Main-belt Asteroid          SPK-ID: 2013952
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07909490578211681 1.8027e-08  
a 2.381620901530226 7.0001e-09 au
q 2.193246820714973 4.3667e-08 au
i 4.865781898630765 4.5954e-07 deg
node 122.1818746976973 6.2517e-06 deg
peri 183.313606624326 1.6345e-05 deg
M 132.1983636650741 1.2852e-05 deg
tp 2458707.518121572492
(2019-Aug-12.01812157)
4.7963e-05 TDB
period 1342.478615571474
3.68
5.9188e-06
1.62e-08
d
yr
n .2681606960620025 1.1823e-09 deg/d
Q 2.56999498234548 7.5538e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2430  
   data-arc span      11138 days (30.49 yr)  
   first obs. used      1990-09-15  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46793  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:13:33  

Additional Information
 Earth MOID = 1.17613 au 
 Jupiter MOID = 2.58653 au 
 T_jup = 3.529 
[ 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 13.71   n/a E2021B10  
diameter diameter 6.335 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.349 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.111   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13952 Nykvist           Discovered 1990 Sept. 22 by E. W. Elst at the European Southern Observatory.
Sven Nykvist (1922-2006), a Swedish cinematographer, was especially well known for his work with Ingmar Bergman. Nykvist twice won the Award of the Academy of Cinematography for his work on the Bergman films Viskingar och Rop and Fanny och Alexander.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-05-14Last Updated: 2014-05-15

[ show close-approach data ]
Alternate Designations
 1990 SN6 = 1994 WA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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