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JPL Small-Body Database Browser
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9008 Bohsternberk (1984 BS)
Classification: Main-belt Asteroid          SPK-ID: 2009008
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1070228102774816 4.3262e-08  
a 2.176686243931934 6.1604e-09 au
q 1.943731165014003 9.4479e-08 au
i 6.385403481805616 4.1794e-06 deg
node 110.2752385782311 3.7048e-05 deg
peri 310.8038203338787 4.2008e-05 deg
M 44.13444641141118 1.794e-05 deg
tp 2458456.697194619206
(2018-Dec-04.19719462)
5.8536e-05 TDB
period 1172.984236723103
3.21
4.9796e-06
1.363e-08
d
yr
n .306909495225367 1.3029e-09 deg/d
Q 2.409641322849866 6.8197e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2015  
   data-arc span      12891 days (35.29 yr)  
   first obs. used      1984-01-27  
   last obs. used      2019-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44925  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:59:17  

Additional Information
 Earth MOID = .963535 au 
 Jupiter MOID = 2.83986 au 
 T_jup = 3.669 
[ show covariance matrix ]

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 13.9   n/a MPO452297  
diameter diameter 4.512 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 72.502 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.287   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9008 Bohsternberk (1984 BS)          Discovered 1984-Jan-27 by Mrkos, A. at Klet
Reference: 19980808/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1984 BS = 1991 HE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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