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 ]  
11443 (1977 CP)
Classification: Main-belt Asteroid          SPK-ID: 2011443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461745666291428 3.0485e-08  
a 2.309686245712375 6.9573e-09 au
q 1.972068859696077 7.0965e-08 au
i 1.075286386430162 3.2748e-06 deg
node 27.00122101654664 0.0001818 deg
peri 128.1464632372075 0.00018219 deg
M 356.6568285030436 1.1441e-05 deg
tp 2458612.406498558831
(2019-May-08.90649856)
4.0752e-05 TDB
period 1282.117739123277
3.51
5.7931e-06
1.586e-08
d
yr
n .2807854450607407 1.2687e-09 deg/d
Q 2.647303631728672 7.9743e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1949  
   data-arc span      15430 days (42.25 yr)  
   first obs. used      1977-02-11  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4748  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:55:17  

Additional Information
 Earth MOID = .982605 au 
 Jupiter MOID = 2.34097 au 
 T_jup = 3.571 
[ 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 14.5   n/a MPO431632  
diameter diameter 2.924 km 0.526 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.367 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.394   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11443 (1977 CP)          Discovered 1977-Feb-11 by Bowell, E. at Palomar
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1977 CP = 1984 CJ1 = 1991 CE5 = 1999 ND22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-07 20:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin