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385687 (2005 SF286)
Classification: Main-belt Asteroid          SPK-ID: 2385687
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366072186811811 8.4943e-08  
a 2.373720628431806 2.6071e-08 au
q 2.049453255455592 1.9985e-07 au
i 12.80936983879687 8.7475e-06 deg
node 83.5412370977007 4.4959e-05 deg
peri 54.56823581278584 6.0617e-05 deg
M 323.0241322009988 4.2761e-05 deg
tp 2459337.701451978033
(2021-May-03.20145198)
0.00016003 TDB
period 1335.804286746883
3.66
2.2007e-05
6.025e-08
d
yr
n .2695005575081039 4.4399e-09 deg/d
Q 2.69798800140802 2.9632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6560 days (17.96 yr)  
   first obs. used      2003-02-01  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56188  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:16  

Additional Information
 Earth MOID = 1.09115 au 
 Jupiter MOID = 2.4256 au 
 T_jup = 3.497 
[ 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 17.16   n/a MPCxxxxx  
diameter diameter 1.614 km 0.360 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.36990 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Galad, A. (2010) Astron. Astrophys. 514, A55.]
geometric albedo albedo 0.074   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

385687 (2005 SF286)          Discovered 2005-Sep-25 by Becker, A. C. at Apache Point
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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