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JPL Small-Body Database Browser
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1758 Naantali (1942 DK)
Classification: Main-belt Asteroid          SPK-ID: 2001758
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03123950114330699 3.3225e-08  
a 3.007719636918454 1.267e-08 au
q 2.913759975882193 9.9949e-08 au
i 10.82280900761648 3.8158e-06 deg
node 113.6876375251929 2.048e-05 deg
peri 114.3363722501819 6.8862e-05 deg
M 226.0858464077773 6.6951e-05 deg
tp 2459309.226111461238
(2021-Apr-04.72611146)
0.00035553 TDB
period 1905.260894998208
5.22
1.2039e-05
3.296e-08
d
yr
n .1889505006611384 1.1939e-09 deg/d
Q 3.101679297954715 1.3066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2623  
   data-arc span      28189 days (77.18 yr)  
   first obs. used      1942-02-18  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48869  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:12:51  

Additional Information
 Earth MOID = 1.91893 au 
 Jupiter MOID = 1.97702 au 
 T_jup = 3.223 
[ 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 11.2   n/a MPO384764  
rotation period rot_per 5.4699 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[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.]
[DeGraff, D.R. (2017) Minor Planet Bull. 44, 350-354.]

1758 Naantali           Discovered 1942 Feb. 18 by L. Oterma at Turku.
Named for an idyllic small town near Turku, founded in the early fifteenth century around a convent and monastery. The summer residence of the Finnish president is located there.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5449Last Updated: 2006-03-21

[ show close-approach data ]
Alternate Designations
 1942 DK = 1959 NL = 1963 FD = 1966 WB = 1968 CC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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