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JPL Small-Body Database Browser
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1635 Bohrmann (A924 EV)
Classification: Main-belt Asteroid          SPK-ID: 2001635
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05789924689750083 3.2964e-08  
a 2.854353317319454 9.9475e-09 au
q 2.689088409867275 9.4494e-08 au
i 1.822109091558965 4.0059e-06 deg
node 184.3470699379461 0.00010816 deg
peri 136.2234306520729 0.00011313 deg
M 119.6597718997669 3.362e-05 deg
tp 2458015.028590892698
(2017-Sep-18.52859089)
0.0001643 TDB
period 1761.408232126501
4.82
9.2079e-06
2.521e-08
d
yr
n .2043819220518696 1.0684e-09 deg/d
Q 3.019618224771634 1.0523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3583  
   data-arc span      34972 days (95.75 yr)  
   first obs. used      1924-03-08  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:03:17  

Additional Information
 Earth MOID = 1.67566 au 
 Jupiter MOID = 2.15557 au 
 T_jup = 3.301 
[ 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 11.0   n/a MPO324320  
diameter diameter 17.127 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.864 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Slivan, S.M.; Binzel, R.P.; Boroumand, S.C.; Pan M.W.; et al. (2008) Icarus 195, 226-276.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.219   0.049 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)

1635 Bohrmann (A924 EV)          Discovered 1924-Mar-07 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A924 EV = 1931 VH1 = 1936 UJ = 1938 CH = 1939 HL = 1943 EG1 = 1948 EA1 = 1953 FH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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