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180450 (2004 BK142)
Classification: Main-belt Asteroid          SPK-ID: 2180450
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906224623159201 4.725e-08  
a 2.280858673347313 8.6988e-09 au
q 1.846075776839225 1.0534e-07 au
i 9.462506168384163 4.7412e-06 deg
node 12.09483414494709 2.3189e-05 deg
peri 46.54415539019065 2.8237e-05 deg
M 7.747650229057029 1.1636e-05 deg
tp 2459173.422192485067
(2020-Nov-19.92219249)		 4.0711e-05 TDB
period 1258.189311233572
3.44		 7.1978e-06
1.971e-08		 d
yr
n .2861254636212444 1.6368e-09 deg/d
Q 2.7156415698554 1.0357e-08 au
   Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      7794 days (21.34 yr)  
   first obs. used      1999-10-16  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:34  

Additional Information
 Earth MOID = .870091 au 
 Jupiter MOID = 2.68841 au 
 T_jup = 3.564 
[ 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 16.8   n/a MPO449916  
diameter diameter 2.429 km 0.555 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.063   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

180450 (2004 BK142)          Discovered 2004-Jan-19 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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