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136308 (2004 BK44)
Classification: Main-belt Asteroid          SPK-ID: 2136308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054646223208458 4.8949e-08  
a 3.135396121156394 2.5749e-08 au
q 2.80472275341239 1.5401e-07 au
i 16.49487978970343 5.899e-06 deg
node 337.8228000601683 1.5426e-05 deg
peri 314.2660508014563 2.9059e-05 deg
M 210.0316753603992 2.7287e-05 deg
tp 2459845.261457871109
(2022-Sep-22.76145787)
0.00015783 TDB
period 2027.855719295637
5.55
2.498e-05
6.839e-08
d
yr
n .1775274229692455 2.1869e-09 deg/d
Q 3.466069488900398 2.8465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      8013 days (21.94 yr)  
   first obs. used      1998-02-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51544  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:39:42  

Additional Information
 Earth MOID = 1.81532 au 
 Jupiter MOID = 1.94058 au 
 T_jup = 3.140 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO382026  
diameter diameter 7.178 km 0.416 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136308 (2004 BK44)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2004 BK44 = 2001 US192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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