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1196 Sheba (1931 KE)
Classification: Main-belt Asteroid          SPK-ID: 2001196
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1794718868032672 3.8934e-08  
a 2.653605433870854 9.7201e-09 au
q 2.177357859822649 1.0262e-07 au
i 17.6671712443312 4.4897e-06 deg
node 100.75784829169 1.3871e-05 deg
peri 262.6279646995469 1.8642e-05 deg
M 111.6462389939512 1.3976e-05 deg
tp 2458510.840093281551
(2019-Jan-27.34009328)
6.0446e-05 TDB
period 1578.893906387586
4.32
8.6751e-06
2.375e-08
d
yr
n .2280077201790323 1.2528e-09 deg/d
Q 3.129853007919059 1.1465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2830  
   data-arc span      39545 days (108.27 yr)  
   first obs. used      1912-01-19  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:20:35  

Additional Information
 Earth MOID = 1.25462 au 
 Jupiter MOID = 2.48922 au 
 T_jup = 3.300 
[ 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 10.2   n/a MPO502164 IRAS observations used: 19
diameter diameter 25.274 km 0.443 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.319 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2004) Minor Planet Bull. 31, 95-97.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 227-233.]
geometric albedo albedo 0.218   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1196 Sheba (1931 KE)          Discovered 1931-May-21 by Jackson, C. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1931 KE = A912 BB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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