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3278 Behounek (1984 BT)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003278
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01452019674526094 7.7705e-08  
a 3.215059095099041 3.6835e-08 AU
q 3.168375804490562 2.5943e-07 AU
i 9.72062337222232 7.4036e-06 deg
node 78.24881413173523 4.3073e-05 deg
peri 75.36866404274514 0.00028657 deg
M 1.002306377673011 0.00028071 deg
tp 2456394.637540440843
(2013-Apr-12.13754044)		 0.0016419 JED
period 2105.629065432352
5.76		 3.6186e-05
9.907e-08		 d
yr
n .1709702843250222 2.9382e-09 deg/d
Q 3.26174238570752 3.737e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      27007 days (73.94 yr)  
   first obs. used      1939-04-20  
   last obs. used      2013-03-29  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .54411  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 12:56:49  

Additional Information
 Earth MOID = 2.19548 AU 
 T_jup = 3.168 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.10 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4
diameter diameter 32.43 km 2.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4
geometric albedo albedo 0.0610   0.009 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4

3278 Behounek (1984 BT)          Discovered 1984-Jan-27 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1984 BT = 1939 HE = 1953 VV1 = 1965 WN = 1982 XA2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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