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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .165276098955692 5.1671e-08  
a 2.685928720483865 1.9338e-08 au
q 2.242008899489238 1.4321e-07 au
i 10.78004209623257 7.4787e-06 deg
node 333.9594718649839 3.0179e-05 deg
peri 108.1670006034735 4.0503e-05 deg
M 8.078706313032034 2.5336e-05 deg
tp 2457564.418924770145
(2016-Jun-24.91892477)
0.00011305 JED
period 1607.83008806676
4.40
1.7364e-05
4.754e-08
d
yr
n .223904256222037 2.418e-09 deg/d
Q 3.129848541478491 2.2534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      1995-01-28  
   last obs. used      2016-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46626  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 22:51:34  

Additional Information
 Earth MOID = 1.28372 au 
 Jupiter MOID = 2.15212 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 13.6 mag n/a MPO347847  
rotation period rot_per 6.214 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 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
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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