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46639 (1995 BN4)
Classification: Main-belt Asteroid          SPK-ID: 2046639
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656800544716033 5.9994e-08  
a 2.686694795622615 2.7494e-08 AU
q 2.241563055535287 1.5956e-07 AU
i 10.77938443251926 8.5602e-06 deg
node 333.9665270690744 3.6264e-05 deg
peri 108.0679349979031 4.6622e-05 deg
M 189.1389251082587 2.7497e-05 deg
tp 2457563.925322776424
(2016-Jun-24.42532278)
0.00012644 JED
period 1608.518010164975
4.40
2.4691e-05
6.76e-08
d
yr
n .2238084980864325 3.4355e-09 deg/d
Q 3.131826535709942 3.2049e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      6669 days (18.26 yr)  
   first obs. used      1995-01-28  
   last obs. used      2013-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49653  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 03:38:38  

Additional Information
 Earth MOID = 1.28421 AU 
 T_jup = 3.329 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO263731  
rotation period rot_per 6.214 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

46639 (1995 BN4)          Discovered 1995-Jan-28 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 BN4 = 1998 XY73 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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