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212954 (2009 BL46)
Classification: Main-belt Asteroid          SPK-ID: 2212954
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0697396648815015 4.2273e-08  
a 2.346616448071179 1.6034e-08 au
q 2.182964203377276 9.6783e-08 au
i 5.137685472676709 5.8767e-06 deg
node 162.0832776309719 4.0518e-05 deg
peri 222.639062982383 5.5717e-05 deg
M 166.1759857461012 3.8694e-05 deg
tp 2458394.423625030256
(2018-Oct-02.92362503)
0.00014007 TDB
period 1312.990526335584
3.59
1.3457e-05
3.684e-08
d
yr
n .2741832425895117 2.8101e-09 deg/d
Q 2.510268692765083 1.7152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      7120 days (19.49 yr)  
   first obs. used      2000-10-25  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55074  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:51:58  

Additional Information
 Earth MOID = 1.1886 au 
 Jupiter MOID = 2.76331 au 
 T_jup = 3.552 
[ 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 16.6   n/a MPO418140  

212954 (2009 BL46)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2009 BL46 = 2000 UL18 = 2006 KR105 = 2007 RZ140 = 2007 TR337 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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