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1531 Hartmut (1938 SH)
Classification: Main-belt Asteroid          SPK-ID: 2001531
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536165081286626 1.1197e-08  
a 2.62731663545671 7.1735e-09 au
q 2.223717428169504 2.8974e-08 au
i 12.41174860821995 4.5237e-07 deg
node 278.8626261046629 2.0353e-06 deg
peri 143.2914661035974 4.9878e-06 deg
M 109.5822463157395 3.6091e-06 deg
tp 2458923.016610020608
(2020-Mar-14.51661002)
1.4839e-05 TDB
period 1555.489380108632
4.26
6.3705e-06
1.744e-08
d
yr
n .2314384171333001 9.4786e-10 deg/d
Q 3.030915842743917 8.2755e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2969  
   data-arc span      30226 days (82.75 yr)  
   first obs. used      1938-09-17  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41198  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:29:40  

Additional Information
 Earth MOID = 1.25004 au 
 Jupiter MOID = 2.28231 au 
 T_jup = 3.352 
[ 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 11.74   n/a MPO614063  
diameter diameter 10.481 km 0.244 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 25.62 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Aznar, A.; Garceran, A.C.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 174-181.]
[Klinglesmith III, D.A.; Hendrickx, S.; Madden, K.; Montgomery, S. (2016) Minor Planet Bull. 43, 123-128.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.275   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1531 Hartmut (1938 SH)          Discovered 1938-Sep-17 by Bohrmann, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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