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JPL Small-Body Database Browser
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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001435141980939 3.3517e-08  
a 2.905052941172057 1.1233e-08 au
q 2.614130730711578 9.6283e-08 au
i 3.235227914410986 3.3569e-06 deg
node 110.9625550174012 9.7972e-05 deg
peri 20.69183778745691 0.00010154 deg
M 75.43153346273857 2.7038e-05 deg
tp 2458621.551720412091
(2019-May-18.05172041)
0.00013517 TDB
period 1808.545768448898
4.95
1.049e-05
2.872e-08
d
yr
n .1990549569053784 1.1545e-09 deg/d
Q 3.195975151632535 1.2358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2266  
   data-arc span      29325 days (80.29 yr)  
   first obs. used      1940-01-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:26:20  

Additional Information
 Earth MOID = 1.62903 au 
 Jupiter MOID = 1.83718 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456500.5 (2013-Jul-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021977132549134 3.3536e-08  
q 2.608733447336335 9.6963e-08 au
tp 2456815.851199942666
(2014-Jun-07.35119994)
0.00012963 TDB
node 110.9822828595493 9.7986e-05 deg
peri 21.51741305496968 0.00010141 deg
i 3.234878966492722 3.3562e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2266  
   data-arc span      29325 days (80.29 yr)  
   first obs. used      1940-01-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:26:20  

Additional Information
 Jupiter MOID = 1.83718 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.124641908285962E-15 -3.234661080290561E-15 1.624549723893924E-12 -1.495424778227503E-14 3.317772528952156E-13 -2.172845934518349E-16
q -3.234661080290561E-15 9.401915251411019E-15 -4.503204059079428E-12 4.244138989124805E-14 -9.240436227371851E-13 6.346136136211415E-16
tp 1.624549723893924E-12 -4.503204059079428E-12 1.68051437145843E-8 -6.343900388326921E-11 3.441431760086342E-9 -2.378185078700527E-12
node -1.495424778227503E-14 4.244138989124805E-14 -6.343900388326921E-11 9.601227022053604E-9 -9.598286422478102E-9 2.470842052556891E-11
peri 3.317772528952156E-13 -9.240436227371851E-13 3.441431760086342E-9 -9.598286422478102E-9 1.02833718093837E-8 -2.515292824116487E-11
i -2.172845934518349E-16 6.346136136211415E-16 -2.378185078700527E-12 2.470842052556891E-11 -2.515292824116487E-11 1.126437646931903E-11

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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