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2303 Retsina (1979 FK)
Classification: Main-belt Asteroid          SPK-ID: 2002303
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1154645452256547 3.7778e-08  
a 2.994706329441714 1.5712e-08 au
q 2.648923925028337 1.165e-07 au
i 18.94598808120202 4.308e-06 deg
node 195.3426555560811 1.2364e-05 deg
peri 329.6493916551998 2.1733e-05 deg
M 343.9827627000755 1.9211e-05 deg
tp 2459084.719933985317
(2020-Aug-23.21993399)
0.00010127 TDB
period 1892.909224417676
5.18
1.4897e-05
4.079e-08
d
yr
n .1901834463883224 1.4967e-09 deg/d
Q 3.340488733855091 1.7526e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2424  
   data-arc span      16876 days (46.20 yr)  
   first obs. used      1974-03-20  
   last obs. used      2020-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39506  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:43:28  

Additional Information
 Earth MOID = 1.66746 au 
 Jupiter MOID = 1.66864 au 
 T_jup = 3.163 
[ 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 11.4   n/a MPO502175  
diameter diameter 14.356 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.82 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Carbo, L.; Green, D.; Kragh, K.; Krotz, J.; et al. (2009) Minor Planet Bull. 36, 152-157.]
[Albers, K.; Kragh, K.; Monnier, A.; Pligge, Z.; et al. (2010) Minor Planet Bull. 37, 152-158.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.341   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2303 Retsina (1979 FK)          Discovered 1979-Mar-24 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 FK = 1974 FH = 1974 FZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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