Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09936126861976524 2.2703e-08  
a 2.907489613307106 1.0052e-08 au
q 2.618597756830121 6.4125e-08 au
i 3.234864160686761 7.7887e-07 deg
node 110.9637406814061 2.1108e-05 deg
peri 21.01803810270737 2.469e-05 deg
M 153.9204838024444 1.0851e-05 deg
tp 2458622.270698217601
(2019-May-18.77069822)
5.2477e-05 TDB
period 1810.821677246037
4.96
9.3904e-06
2.571e-08
d
yr
n .1988047771481844 1.0309e-09 deg/d
Q 3.19638146978409 1.105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2831  
   data-arc span      29794 days (81.57 yr)  
   first obs. used      1940-01-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:49:23  

Additional Information
 Earth MOID = 1.63405 au 
 Jupiter MOID = 1.83464 au 
 T_jup = 3.275 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101512790444913 2.2653e-08  
q 2.609976161741765 6.4037e-08 au
tp 2456812.438355282974
(2014-Jun-03.93835528)
4.7799e-05 TDB
node 110.9742562777814 2.111e-05 deg
peri 20.68827384238153 2.4592e-05 deg
i 3.235422953668759 7.7951e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2831  
   data-arc span      29794 days (81.57 yr)  
   first obs. used      1940-01-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:49:23  

Additional Information
 Jupiter MOID = 1.83464 au 
 T_jup = 3.275 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.131706974827989E-16 -1.436631124569692E-15 6.467222070072715E-13 1.923658717413456E-14 6.484489930816899E-14 1.010846256345126E-15
q -1.436631124569692E-15 4.100770101643613E-15 -1.735478796009803E-12 -5.610332345089425E-14 -1.606235440682976E-13 -2.793011297088959E-15
tp 6.467222070072715E-13 -1.735478796009803E-12 2.284791426044279E-9 -1.987080924868398E-10 6.040270591167963E-10 2.67043168582507E-12
node 1.923658717413456E-14 -5.610332345089425E-14 -1.987080924868398E-10 4.456527681445801E-10 -4.874997408386101E-10 -5.844596947448925E-12
peri 6.484489930816899E-14 -1.606235440682976E-13 6.040270591167963E-10 -4.874997408386101E-10 6.047579572331773E-10 6.344845836172733E-12
i 1.010846256345126E-15 -2.793011297088959E-15 2.67043168582507E-12 -5.844596947448925E-12 6.344845836172733E-12 6.076312978061184E-13

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 11.63   n/a E2021B10  
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. 2020-October); 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-26 01:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin