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
JPL Small-Body Database Browser
Search: [ help ]  
11303 (1993 CA1)
Classification: Main-belt Asteroid          SPK-ID: 2011303
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076408954762351 1.8646e-08  
a 2.64796681713959 1.1997e-08 au
q 2.362937297751328 4.8987e-08 au
i 13.71270732035403 7.9089e-07 deg
node 321.321296695128 2.1882e-06 deg
peri 187.3410551586973 5.4906e-06 deg
M 204.6483112176771 6.7555e-06 deg
tp 2460075.673469100380
(2023-May-11.17346910)
3.3215e-05 TDB
period 1573.864119486534
4.31
1.0696e-05
2.928e-08
d
yr
n .2287363918795279 1.5545e-09 deg/d
Q 2.932996336527851 1.3288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1927  
   data-arc span      26037 days (71.29 yr)  
   first obs. used      1950-03-15  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4368  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:51:20  

Additional Information
 Earth MOID = 1.37611 au 
 Jupiter MOID = 2.09039 au 
 T_jup = 3.343 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.97   n/a MPCxxxxx  
diameter diameter 6.115 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.61794 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.248   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

11303 (1993 CA1)          Discovered 1993-Feb-14 by Hioki, T., Hayakawa, S. at Okutama
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 CA1 = 1950 EH = 1980 BK5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-25 13:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin