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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655848006355618 5.9719e-08  
a 2.6868136778654 2.7828e-08 AU
q 2.241918170671157 1.5681e-07 AU
i 10.77996287574286 7.9185e-06 deg
node 333.962584610285 3.5604e-05 deg
peri 108.091279673376 4.453e-05 deg
M 233.8674751908835 2.5388e-05 deg
tp 2457564.110844738913
(2016-Jun-24.61084474)
0.00011622 JED
period 1608.624773134992
4.40
2.4991e-05
6.842e-08
d
yr
n .2237936441190127 3.4768e-09 deg/d
Q 3.131709185059643 3.2436e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      717  
   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      .47947  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 06:50:56  

Additional Information
 Earth MOID = 1.28492 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. 2014-Mar-01) 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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