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305714 (2009 BL182)
Classification: Main-belt Asteroid          SPK-ID: 2305714
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440331650523672 4.7152e-08  
a 2.316594947657051 1.5985e-08 au
q 1.982928445201683 1.1147e-07 au
i 1.116988655241651 5.3722e-06 deg
node 51.19502974393468 0.00028826 deg
peri 10.65515362478055 0.00028944 deg
M 142.8947305803408 2.3576e-05 deg
tp 2458489.304176086578
(2019-Jan-05.80417609)
8.3719e-05 TDB
period 1287.874618339149
3.53
1.333e-05
3.65e-08
d
yr
n .2795303167510654 2.8932e-09 deg/d
Q 2.650261450112419 1.8287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      6647 days (18.20 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:00  

Additional Information
 Earth MOID = .995851 au 
 Jupiter MOID = 2.64466 au 
 T_jup = 3.566 
[ 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 18.1   n/a MPO460268  

305714 (2009 BL182)          Discovered 2009-Jan-17 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 BL182 = 2004 WS11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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