Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444362871185592 2.7319e-08  
a 2.247438052565403 5.4238e-09 au
q 1.922826444723891 6.0881e-08 au
i 4.52630246730038 3.2817e-06 deg
node 213.3187985825045 4.186e-05 deg
peri 64.45044667139005 4.3783e-05 deg
M 113.7934598934253 1.2445e-05 deg
tp 2458611.504279723381
(2019-May-08.00427972)		 4.2554e-05 TDB
period 1230.637151122196
3.37		 4.4549e-06
1.22e-08		 d
yr
n .292531392922538 1.059e-09 deg/d
Q 2.572049660406916 6.2072e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2686  
   data-arc span      20958 days (57.38 yr)  
   first obs. used      1962-09-07  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:43:58  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-30 14:22 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin