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1553 Bauersfelda (1940 AD)
Classification: Main-belt Asteroid          SPK-ID: 2001553
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001435224701805 3.1969e-08  
a 2.905052938459333 1.0709e-08 au
q 2.614130704239667 9.0705e-08 au
i 3.235229625950308 3.0673e-06 deg
node 110.9625820466386 9.5341e-05 deg
peri 20.6918113204791 9.9028e-05 deg
M 75.43153436827015 2.6986e-05 deg
tp 2458621.551716393727
(2019-May-18.05171639)
0.00013495 TDB
period 1808.545765915682
4.95
1e-05
2.738e-08
d
yr
n .1990549571841932 1.1007e-09 deg/d
Q 3.195975172679 1.1781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2523  
   data-arc span      29422 days (80.55 yr)  
   first obs. used      1940-01-13  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:36:39  

Additional Information
 Earth MOID = 1.62903 au 
 Jupiter MOID = 1.83718 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456811.5 (2014-Jun-03.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021167763719858 3.1975e-08  
q 2.61022453307501 9.1068e-08 au
tp 2456813.476333275706
(2014-Jun-04.97633328)
0.00012988 TDB
node 110.9772848503356 9.5297e-05 deg
peri 20.93159275994168 9.8844e-05 deg
i 3.235529507283449 3.068e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2523  
   data-arc span      29422 days (80.55 yr)  
   first obs. used      1940-01-13  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:36:39  

Additional Information
 Jupiter MOID = 1.83718 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.022393813108985E-15 -2.89660175227158E-15 1.667239749571849E-12 -1.612642381263039E-14 3.310559404999865E-13 -3.061292022044333E-16
q -2.89660175227158E-15 8.293349239486223E-15 -4.570808892333498E-12 4.449637828432584E-14 -9.070256137995784E-13 8.788037014421816E-16
tp 1.667239749571849E-12 -4.570808892333498E-12 1.686793939997869E-8 -7.046786619951499E-11 3.462300250998392E-9 -3.007710172800235E-12
node -1.612642381263039E-14 4.449637828432584E-14 -7.046786619951499E-11 9.081582600040736E-9 -9.080869945040398E-9 -4.478722363710127E-12
peri 3.310559404999865E-13 -9.070256137995784E-13 3.462300250998392E-9 -9.080869945040398E-9 9.770180631974038E-9 3.858833816528236E-12
i -3.061292022044333E-16 8.788037014421816E-16 -3.007710172800235E-12 -4.478722363710127E-12 3.858833816528236E-12 9.41251616516182E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.6   n/a MPO384761  
diameter diameter 13.772 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 51.191 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.249   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   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)

1553 Bauersfelda (1940 AD)          Discovered 1940-Jan-13 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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