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 ]  
1528 Conrada (1940 CA)
Classification: Main-belt Asteroid          SPK-ID: 2001528
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444821554991061 2.9113e-08  
a 2.414938776164695 5.8521e-09 au
q 2.066023216386046 7.0174e-08 au
i 8.517077144123757 3.8526e-06 deg
node 139.3502584220206 1.8658e-05 deg
peri 59.60247889200316 2.2577e-05 deg
M 93.07314411933318 1.2967e-05 deg
tp 2458646.111599413731
(2019-Jun-11.61159941)
4.916e-05 TDB
period 1370.747979110719
3.75
4.9825e-06
1.364e-08
d
yr
n .2626303343037223 9.5464e-10 deg/d
Q 2.763854335943343 6.6976e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3167  
   data-arc span      29484 days (80.72 yr)  
   first obs. used      1940-02-10  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:05  

Additional Information
 Earth MOID = 1.08013 au 
 Jupiter MOID = 2.22238 au 
 T_jup = 3.488 
[ 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 11.7   n/a MPO265964  
diameter diameter 11.095 km 1.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.321 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Willis, S. (2004) Minor Planet Bull. 31, 82-83.]
[Warner, B.D. (2008) Minor Planet Bull. 35, 163-167.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.355   0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1528 Conrada (1940 CA)          Discovered 1940-Feb-10 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1940 CA = 1929 FA = 1955 ED = 1959 GW = A914 HA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-25 09:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin