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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951342047982272 3.1929e-08  
a 3.079471137083241 1.6132e-08 au
q 2.478560985549411 9.6495e-08 au
i 4.014878352579588 3.6026e-06 deg
node 170.7513431920994 5.332e-05 deg
peri 116.4550748995963 5.4234e-05 deg
M 188.7641829402066 1.1903e-05 deg
tp 2460139.368446170282
(2023-Jul-13.86844617)
6.9334e-05 TDB
period 1973.843127126135
5.40
1.551e-05
4.246e-08
d
yr
n .1823853147459346 1.4332e-09 deg/d
Q 3.680381288617072 1.928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1791  
   data-arc span      10815 days (29.61 yr)  
   first obs. used      1991-08-09  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48996  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 23:40:13  

Additional Information
 Earth MOID = 1.46363 au 
 Jupiter MOID = 1.52288 au 
 T_jup = 3.195 
[ 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 13.80   n/a MPCxxxxx  
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

[ show close-approach data ]
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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