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2033 Basilea (1973 CA)
Classification: Main-belt Asteroid          SPK-ID: 2002033
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113506051421646 3.2034e-08  
a 2.225144299036421 6.5098e-09 au
q 1.977373134810078 7.0953e-08 au
i 8.463205585227861 3.9282e-06 deg
node 321.7136467585977 2.1088e-05 deg
peri 134.3813345493353 2.6617e-05 deg
M 128.7241243764349 1.6158e-05 deg
tp 2458566.995966905052
(2019-Mar-24.49596690)
5.416e-05 TDB
period 1212.37143907697
3.32
5.3203e-06
1.457e-08
d
yr
n .296938700794604 1.3031e-09 deg/d
Q 2.472915463262765 7.2346e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2153  
   data-arc span      24680 days (67.57 yr)  
   first obs. used      1953-02-19  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:13:12  

Additional Information
 Earth MOID = 1.00394 au 
 Jupiter MOID = 2.6539 au 
 T_jup = 3.624 
[ 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 12.9   n/a MPO452189  
diameter diameter 5.710 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.5287 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2015) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.419   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2033 Basilea           Discovered 1973 Feb. 6 by P. Wild at Zimmerwald.
Named for the old city of Basel and the 50th anniversary of the Astronomical Institute at Basel University.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5359Last Updated: 2006-03-21

Alternate Designations
 1973 CA = 1953 DA = 1953 EY = 1955 WD = 1955 XD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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