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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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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1065309875154353 4.3039e-08  
a 2.177191741345925 5.2687e-09 au
q 1.945253355129894 9.3831e-08 au
i 6.38538367703163 3.3896e-06 deg
node 110.2761754369709 3.6224e-05 deg
peri 310.633020397609 3.8645e-05 deg
M 228.4753241407743 1.4257e-05 deg
tp 2459629.194768437725
(2022-Feb-18.69476844)
4.7017e-05 TDB
period 1173.392868139545
3.21
4.2593e-06
1.166e-08
d
yr
n .3068026146867522 1.1137e-09 deg/d
Q 2.409130127561957 5.83e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2439  
   data-arc span      13373 days (36.61 yr)  
   first obs. used      1984-01-27  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:16:49  

Additional Information
 Earth MOID = .964738 au 
 Jupiter MOID = 2.83906 au 
 T_jup = 3.668 
[ 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 13.94   n/a E2021B10  
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 35.6604 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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