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44029 (1998 BK4)
Classification: Main-belt Asteroid          SPK-ID: 2044029
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134221534824698 8.6524e-08  
a 2.258458571564043 1.943e-08 AU
q 1.776453479669902 1.8954e-07 AU
i 3.817169191289455 7.1655e-06 deg
node 110.3793898157073 0.00014279 deg
peri 75.02693293246018 0.0001447 deg
M 314.051324784885 2.8179e-05 deg
tp 2457158.729375173259
(2015-May-16.22937517)
9.8602e-05 JED
period 1239.700052192911
3.39
1.5998e-05
4.38e-08
d
yr
n .2903928247507891 3.7475e-09 deg/d
Q 2.740463663458184 2.3577e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      6178 days (16.91 yr)  
   first obs. used      1997-12-04  
   last obs. used      2014-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59747  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 14:23:19  

Additional Information
 Earth MOID = .784174 AU 
 T_jup = 3.588 
[ 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 15.7 mag n/a MPO235022  

44029 (1998 BK4)          Discovered 1998-Jan-21 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BK4 = 2000 YW65 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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