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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001435227214825 3.1947e-08  
a 2.905052938436319 1.0706e-08 au
q 2.614130703488912 9.0631e-08 au
i 3.23522960493683 3.065e-06 deg
node 110.9625811861264 9.5239e-05 deg
peri 20.69181231114786 9.8927e-05 deg
M 75.43153426297528 2.6983e-05 deg
tp 2458621.551716927204
(2019-May-18.05171693)
0.00013493 TDB
period 1808.545765894191
4.95
9.9974e-06
2.737e-08
d
yr
n .1990549571865586 1.1004e-09 deg/d
Q 3.195975173383725 1.1778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2537  
   data-arc span      29457 days (80.65 yr)  
   first obs. used      1940-01-13  
   last obs. used      2020-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:17:50  

Additional Information
 Earth MOID = 1.62903 au 
 Jupiter MOID = 1.83718 au 
 T_jup = 3.276 
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Orbital Elements at Epoch 2456819.5 (2014-Jun-11.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020936035217069 3.1954e-08  
q 2.610224156086037 9.0983e-08 au
tp 2456813.434128636227
(2014-Jun-04.93412864)
0.00012988 TDB
node 110.9773010933776 9.5196e-05 deg
peri 20.92122651637479 9.8746e-05 deg
i 3.235531955353945 3.0657e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2537  
   data-arc span      29457 days (80.65 yr)  
   first obs. used      1940-01-13  
   last obs. used      2020-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:17:50  

Additional Information
 Jupiter MOID = 1.83718 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.021047813767298E-15 -2.891998666496044E-15 1.664814901037179E-12 -1.602216121454986E-14 3.303569435094476E-13 -3.029044261192757E-16
q -2.891998666496044E-15 8.277976618510096E-15 -4.561449301309297E-12 4.418705554658911E-14 -9.045249296316508E-13 8.691692716113997E-16
tp 1.664814901037179E-12 -4.561449301309297E-12 1.686947798383725E-8 -6.98467220428222E-11 3.461858644709946E-9 -2.990602519890047E-12
node -1.602216121454986E-14 4.418705554658911E-14 -6.98467220428222E-11 9.062364112656828E-9 -9.061554979052514E-9 -4.980496149697374E-12
peri 3.303569435094476E-13 -9.045249296316508E-13 3.461858644709946E-9 -9.061554979052514E-9 9.750771866664344E-9 4.363330485135282E-12
i -3.029044261192757E-16 8.691692716113997E-16 -2.990602519890047E-12 -4.980496149697374E-12 4.363330485135282E-12 9.398386762851662E-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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