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JPL Small-Body Database Browser
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4554 Fanynka (1986 UT)
Classification: Main-belt Asteroid          SPK-ID: 2004554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1191259069907393 3.5389e-08  
a 3.18465449703408 1.8437e-08 au
q 2.805279641622758 1.1279e-07 au
i 9.224666297900246 3.9962e-06 deg
node 255.6199011486096 2.6457e-05 deg
peri 4.406036898930545 3.1841e-05 deg
M 94.30600367533448 1.7952e-05 deg
tp 2458456.713086845993
(2018-Dec-04.21308685)
0.00010333 TDB
period 2075.830605752239
5.68
1.8026e-05
4.935e-08
d
yr
n .1734245554538123 1.506e-09 deg/d
Q 3.564029352445401 2.0633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2308  
   data-arc span      16552 days (45.32 yr)  
   first obs. used      1974-09-22  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:15:48  

Additional Information
 Earth MOID = 1.7901 au 
 Jupiter MOID = 1.50748 au 
 T_jup = 3.167 
[ 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 11.8   n/a MPO452229  
diameter diameter 26.315 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.779 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Clark, M. (2008) Minor Planet Bull. 35, 42-43.]
[Polishook, D. (2010) Minor Planet Bull. 37, 65-69.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.070   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4554 Fanynka (1986 UT)          Discovered 1986-Oct-28 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1986 UT = 1974 SQ3 = 1976 YE = 1978 JF1 = 1984 JU = 1985 KG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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