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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444362876867346 2.7314e-08  
a 2.247438052387722 5.4213e-09 au
q 1.922826443294935 6.0867e-08 au
i 4.526302365756121 3.2803e-06 deg
node 213.3187987553195 4.182e-05 deg
peri 64.45044719032906 4.3739e-05 deg
M 113.7934593987559 1.2433e-05 deg
tp 2458611.504281460508
(2019-May-08.00428146)
4.2511e-05 TDB
period 1230.637150976256
3.37
4.4529e-06
1.219e-08
d
yr
n .2925313929572291 1.0585e-09 deg/d
Q 2.57204966148051 6.2044e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2706  
   data-arc span      21151 days (57.91 yr)  
   first obs. used      1962-09-07  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:01:55  

Additional Information
 Earth MOID = .911808 au 
 Jupiter MOID = 2.53818 au 
 T_jup = 3.612 
[ 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-August); Warner et al., 2009 Published Reference List:
[Moravec, P.; Letfullina, A.; Ditteon, R. (2013) Minor Planet Bull. 40, 17-20.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
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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