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1528 Conrada (1940 CA)
Classification: Main-belt Asteroid          SPK-ID: 2001528
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450906683761495 1.088e-08  
a 2.413223670644129 5.6102e-09 au
q 2.063087435329228 2.6047e-08 au
i 8.519453968367658 1.2043e-06 deg
node 139.3532917131775 2.261e-06 deg
peri 59.37874126670678 8.7782e-06 deg
M 197.3688595473538 7.9862e-06 deg
tp 2460015.080176878358
(2023-Mar-11.58017688)
3.1001e-05 TDB
period 1369.287966968723
3.75
4.775e-06
1.307e-08
d
yr
n .2629103655945755 9.1682e-10 deg/d
Q 2.76335990595903 6.4242e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3432  
   data-arc span      29765 days (81.49 yr)  
   first obs. used      1940-02-10  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:48:02  

Additional Information
 Earth MOID = 1.07794 au 
 Jupiter MOID = 2.22069 au 
 T_jup = 3.489 
[ 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 11.77   n/a E2021B10  
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. 2020-October); 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

Alternate Designations
 1940 CA = 1929 FA = 1955 ED = 1959 GW = A914 HA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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