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JPL Small-Body Database Browser
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3306 Byron (1979 SM11)
Classification: Main-belt Asteroid          SPK-ID: 2003306
[ 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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447213080591983 2.7428e-08  
a 2.24787763998942 5.4861e-09 au
q 1.922561847573128 6.1212e-08 au
i 4.52650367568613 3.2931e-06 deg
node 213.3246189378806 4.2131e-05 deg
peri 64.44919524156764 4.4042e-05 deg
M 356.7696387979644 1.245e-05 deg
tp 2458611.546024768031
(2019-May-08.04602477)		 4.257e-05 TDB
period 1230.998228305093
3.37		 4.5065e-06
1.234e-08		 d
yr
n .2924455874283979 1.0706e-09 deg/d
Q 2.573193432405712 6.2801e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2617  
   data-arc span      20910 days (57.25 yr)  
   first obs. used      1962-09-07  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44654  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:28:32  

Additional Information
 Earth MOID = .911019 au 
 Jupiter MOID = 2.53669 au 
 T_jup = 3.611 
[ 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 12.8   n/a MPO502185  
diameter diameter 7.610 km 1.859 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 7.321 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Moravec, P.; Letfullina, A.; Ditteon, R. (2013) Minor Planet Bull. 40, 17-20.]
geometric albedo albedo 0.282   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3306 Byron (1979 SM11)          Discovered 1979-Sep-24 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 SM11 = 1951 GS = 1952 UJ1 = 1962 RL = 1969 US2 = 1971 FK = 1978 JJ = 1979 TJ2 = 1979 WS = 1982 OE 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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