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2345 Fucik (1974 OS)
Classification: Main-belt Asteroid          SPK-ID: 2002345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07690274170864256 3.2603e-08  
a 3.015289266467089 1.4353e-08 au
q 2.783405254831129 9.7102e-08 au
i 9.154402815159239 4.342e-06 deg
node 303.859810294875 2.4489e-05 deg
peri 135.4485408312761 3.9425e-05 deg
M 152.166192102993 3.0573e-05 deg
tp 2458192.134869788943
(2018-Mar-14.63486979)
0.00016123 TDB
period 1912.457970158121
5.24
1.3655e-05
3.739e-08
d
yr
n .1882394309404015 1.3441e-09 deg/d
Q 3.24717327810305 1.5457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2431  
   data-arc span      31136 days (85.25 yr)  
   first obs. used      1935-01-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45699  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:38:39  

Additional Information
 Earth MOID = 1.80815 au 
 Jupiter MOID = 1.93226 au 
 T_jup = 3.224 
[ 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 10.80   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
diameter diameter 25.155 km 0.684 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.12 h n/a LCDB (Rev. 2019-August); 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:
[Brinsfield, J. (2008) Minor Planet Bull. 35, 119-122.]
[Carbo, L.; Green, D.; Kragh, K.; Krotz, J.; et al. (2009) Minor Planet Bull. 36, 152-157.]
geometric albedo albedo 0.134   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
B-V BV 0.806   0.023 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=1.50 deg.
U-B UB 0.431   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=1.50 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

2345 Fucik (1974 OS)          Discovered 1974-Jul-25 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1974 OS = 1935 BE = 1935 DK = 1938 UH1 = 1951 EC2 = 1969 QJ = 1972 EG = 1972 GP = 1972 GT = 1975 XH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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