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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1676823495713657 2.1034e-08  
a 2.685442163022167 9.474e-09 au
q 2.235140911488599 5.6725e-08 au
i 10.77423268734685 1.271e-06 deg
node 333.741137335347 3.0361e-06 deg
peri 108.8970222718648 8.2493e-06 deg
M 5.672714835135372 7.2104e-06 deg
tp 2459175.171435114602
(2020-Nov-21.67143511)
3.2169e-05 TDB
period 1607.393218898829
4.40
8.5061e-06
2.329e-08
d
yr
n .2239651105699101 1.1852e-09 deg/d
Q 3.135743414555734 1.1063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2014  
   data-arc span      9542 days (26.12 yr)  
   first obs. used      1995-01-28  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:50:59  

Additional Information
 Earth MOID = 1.27794 au 
 Jupiter MOID = 2.13856 au 
 T_jup = 3.329 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.74   n/a MPCxxxxx  
diameter diameter 10.161 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.214 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.068   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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