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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06955522035689622 4.237e-08  
a 2.347197605554513 1.9343e-08 au
q 2.18393775887899 9.6675e-08 au
i 5.136909023762847 6.0975e-06 deg
node 162.087249080021 4.6514e-05 deg
peri 222.8235598101734 6.5376e-05 deg
M 56.34198473636391 4.3738e-05 deg
tp 2458394.933402333257
(2018-Oct-03.43340233)
0.00015997 TDB
period 1313.478314729374
3.60
1.6236e-05
4.445e-08
d
yr
n .2740814187512289 3.388e-09 deg/d
Q 2.510457452230037 2.0688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6667 days (18.25 yr)  
   first obs. used      2000-10-25  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:45:22  

Additional Information
 Earth MOID = 1.18886 au 
 Jupiter MOID = 2.76362 au 
 T_jup = 3.551 
[ 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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