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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798616092638905 1.7501e-08  
a 2.652829085320239 8.7777e-09 au
q 2.175686976932486 4.5779e-08 au
i 17.66637733977463 3.6549e-07 deg
node 100.7507166677633 1.6724e-06 deg
peri 262.643432050912 4.0068e-06 deg
M 201.9276898064436 4.145e-06 deg
tp 2460089.471912618277
(2023-May-24.97191262)
2.0874e-05 TDB
period 1578.201066569526
4.32
7.8329e-06
2.145e-08
d
yr
n .2281078169478861 1.1321e-09 deg/d
Q 3.129971193707991 1.0356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3582  
   data-arc span      39973 days (109.44 yr)  
   first obs. used      1912-01-19  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:05:06  

Additional Information
 Earth MOID = 1.25229 au 
 Jupiter MOID = 2.48936 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 10.26   n/a MPO614063 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. 2020-October); 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.]
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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