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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1653975234033435 5.1673e-08  
a 2.686336876458068 1.9435e-08 au
q 2.24202341006483 1.4324e-07 au
i 10.78008751974563 7.5004e-06 deg
node 333.9615115989394 3.018e-05 deg
peri 108.1442802141283 4.0496e-05 deg
M 323.3217565341006 2.521e-05 deg
tp 2457564.349517143371
(2016-Jun-24.84951714)
0.00011309 JED
period 1608.196592796323
4.40
1.7453e-05
4.778e-08
d
yr
n .2238532288978638 2.4293e-09 deg/d
Q 3.130650342851306 2.265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      1995-01-28  
   last obs. used      2015-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46328  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:56:02  

Additional Information
 Earth MOID = 1.28483 au 
 Jupiter MOID = 2.15282 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. 2015-December); 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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