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213990 (2004 BF26)
Classification: Main-belt Asteroid          SPK-ID: 2213990
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06950447041213752 4.8316e-08  
a 2.702775939616483 2.4379e-08 au
q 2.514920929290772 1.2701e-07 au
i 10.60923193259284 6.4536e-06 deg
node 12.1275215030605 2.4662e-05 deg
peri 233.7281348227288 5.2361e-05 deg
M 160.3091090793602 4.8703e-05 deg
tp 2458477.781465070341
(2018-Dec-25.28146507)
0.00021725 TDB
period 1622.981214659967
4.44
2.1959e-05
6.012e-08
d
yr
n .2218140276352022 3.0011e-09 deg/d
Q 2.890630949942194 2.6073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      6216 days (17.02 yr)  
   first obs. used      2003-12-30  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:55  

Additional Information
 Earth MOID = 1.51811 au 
 Jupiter MOID = 2.1324 au 
 T_jup = 3.339 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.44   n/a MPCxxxxx  
diameter diameter 3.666 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213990 (2004 BF26)          Discovered 2004-Jan-16 by Ryan, W. H. at Mount Graham
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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