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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134221581690211 7.4883e-08  
a 2.25845857250548 1.6071e-08 AU
q 1.776453469826034 1.6718e-07 AU
i 3.817170057132913 7.0707e-06 deg
node 110.3793555612655 0.00013198 deg
peri 75.02696791041224 0.00013343 deg
M 314.0513234669993 2.2843e-05 deg
tp 2457158.729379810482
(2015-May-16.22937981)
7.9765e-05 JED
period 1239.700052968063
3.39
1.3232e-05
3.623e-08
d
yr
n .290392824569214 3.0996e-09 deg/d
Q 2.740463675184926 1.9501e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      1997-12-04  
   last obs. used      2014-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61584  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:02:51  

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 15.8 mag n/a MPO319612  

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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