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JPL Small-Body Database Browser
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1931 Capek (1969 QB)
Classification: Main-belt Asteroid          SPK-ID: 2001931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2717038732962947 3.5689e-08  
a 2.541405533222861 1.096e-08 au
q 1.850895806229574 8.9867e-08 au
i 8.261718158205712 3.8902e-06 deg
node 182.4258920161031 3.0235e-05 deg
peri 164.5775340599479 3.2231e-05 deg
M 83.89526672910949 1.2723e-05 deg
tp 2458255.638794520487
(2018-May-17.13879452)
5.2237e-05 TDB
period 1479.821673056888
4.05
9.5725e-06
2.621e-08
d
yr
n .2432725554399694 1.5737e-09 deg/d
Q 3.231915260216147 1.3937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2149  
   data-arc span      22492 days (61.58 yr)  
   first obs. used      1957-10-02  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47964  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:14:12  

Additional Information
 Earth MOID = .845107 au 
 Jupiter MOID = 2.21112 au 
 T_jup = 3.379 
[ 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 13.0   n/a MPO267715  
diameter diameter 6.628 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.254   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1931           
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: Last Updated: 2017-04-19

Alternate Designations
 1969 QB = 1957 TK = 1969 PB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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