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JPL Small-Body Database Browser
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7897 Bohuska (1995 EL1)
Classification: Main-belt Asteroid          SPK-ID: 2007897
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952968860778695 3.5272e-08  
a 3.078044139135952 1.6952e-08 au
q 2.476911703552465 1.0814e-07 au
i 4.015054591449847 5.0175e-06 deg
node 170.7794582151031 5.6145e-05 deg
peri 116.2667406256379 5.7504e-05 deg
M 79.501899363699 1.247e-05 deg
tp 2458164.902182113213
(2018-Feb-15.40218211)
6.7427e-05 TDB
period 1972.471295583233
5.40
1.6295e-05
4.461e-08
d
yr
n .1825121616756166 1.5078e-09 deg/d
Q 3.67917657471944 2.0263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1413  
   data-arc span      10014 days (27.42 yr)  
   first obs. used      1991-08-09  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51452  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:52:48  

Additional Information
 Earth MOID = 1.46327 au 
 Jupiter MOID = 1.52259 au 
 T_jup = 3.195 
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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 13.8   n/a MPO452281  
diameter diameter 8.529 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7897 Bohuska (1995 EL1)          Discovered 1995-Mar-12 by Sarounova, L. at Ondrejov
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1995 EL1 = 1991 PH21 = 1991 RN31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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