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JPL Small-Body Database Browser
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423108 (2004 BC18)
Classification: Main-belt Asteroid          SPK-ID: 2423108
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2758760686787129 8.6571e-08  
a 3.069882409059649 2.5102e-08 au
q 2.222975318742337 2.6895e-07 au
i 18.68363464571379 1.0887e-05 deg
node 83.72679808992237 2.7726e-05 deg
peri 35.82755211247795 4.3963e-05 deg
M 19.1173155216475 2.17e-05 deg
tp 2458896.170903939313
(2020-Feb-16.67090394)
0.00011834 TDB
period 1964.631202499013
5.38
2.4097e-05
6.597e-08
d
yr
n .1832404980344808 2.2475e-09 deg/d
Q 3.916789499376962 3.2027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5860 days (16.04 yr)  
   first obs. used      2003-12-21  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:03:29  

Additional Information
 Earth MOID = 1.26398 au 
 Jupiter MOID = 1.41364 au 
 T_jup = 3.094 
[ 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 16.2   n/a MPO456021  
diameter diameter 2.361 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423108 (2004 BC18)          Discovered 2004-Jan-18 by CSS at Catalina
Reference: Last Updated: 2015-02-04

[ show close-approach data ]
Alternate Designations
 2004 BC18 = 2008 XW40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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