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212961 (2009 BD66)
Classification: Main-belt Asteroid          SPK-ID: 2212961
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07006377457457193 6.1174e-08  
a 2.766924301914534 2.7156e-08 au
q 2.573063141360289 1.7879e-07 au
i .3280358413582437 5.3166e-06 deg
node 93.17709361755648 0.0014743 deg
peri 231.6093629562163 0.0014752 deg
M 348.584794852624 5.409e-05 deg
tp 2459053.805934775574
(2020-Jul-23.30593478)
0.00025273 TDB
period 1681.103078871753
4.60
2.4749e-05
6.776e-08
d
yr
n .2141451077715048 3.1526e-09 deg/d
Q 2.960785462468779 2.9059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7996 days (21.89 yr)  
   first obs. used      1997-08-11  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60402  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:52:44  

Additional Information
 Earth MOID = 1.56087 au 
 Jupiter MOID = 2.25482 au 
 T_jup = 3.335 
[ 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 16.4   n/a MPO294352  
diameter diameter 3.544 km 0.580 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212961 (2009 BD66)          Discovered 2009-Jan-20 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2009 BD66 = 2002 TB107 = 2005 EU318 = 2007 UT101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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