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JPL Small-Body Database Browser
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441711 (2009 BW)
Classification: Main-belt Asteroid          SPK-ID: 2441711
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2097430825627108 4.7943e-08  
a 2.42453004188678 2.3742e-08 au
q 1.916001637135548 1.1507e-07 au
i 11.61224725355349 6.4157e-06 deg
node 329.9243335727032 2.5653e-05 deg
peri 87.51964933740227 3.477e-05 deg
M 294.7450366436185 1.8646e-05 deg
tp 2458850.448670388918
(2020-Jan-01.94867039)
6.9514e-05 TDB
period 1378.922256818812
3.78
2.0255e-05
5.546e-08
d
yr
n .2610734566214948 3.8349e-09 deg/d
Q 2.933058446638011 2.8722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      3993 days (10.93 yr)  
   first obs. used      2008-12-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51964  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:10:28  

Additional Information
 Earth MOID = .968271 au 
 Jupiter MOID = 2.52364 au 
 T_jup = 3.454 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457834.5 (2017-Mar-22.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2086909553849223 4.8155e-08  
q 1.919704052963629 1.1537e-07 au
tp 2457469.040135903927
(2016-Mar-21.54013590)
8.2717e-05 TDB
node 330.0823229408243 2.56e-05 deg
peri 87.03814588781088 3.4903e-05 deg
i 11.61837653388336 6.4241e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      3993 days (10.93 yr)  
   first obs. used      2008-12-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51964  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:10:28  

Additional Information
 Jupiter MOID = 2.52364 au 
 T_jup = 3.454 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.3189110715892E-15 -5.484323295685484E-15 -2.214285348101452E-12 -1.583619958974805E-14 -6.281728158203788E-13 -3.395106063152492E-14
q -5.484323295685484E-15 1.331064586509494E-14 4.336826018294629E-12 4.188346671073615E-14 1.241557607260582E-12 8.04351336078176E-14
tp -2.214285348101452E-12 4.336826018294629E-12 6.842050952138616E-9 1.757104798419046E-11 1.985264429039291E-9 4.785535032982866E-11
node -1.583619958974805E-14 4.188346671073615E-14 1.757104798419046E-11 6.553665639582571E-10 -6.362495859062477E-10 9.255102847910198E-11
peri -6.281728158203788E-13 1.241557607260582E-12 1.985264429039291E-9 -6.362495859062477E-10 1.218248385305098E-9 -7.652568548299048E-11
i -3.395106063152492E-14 8.04351336078176E-14 4.785535032982866E-11 9.255102847910198E-11 -7.652568548299048E-11 4.126847531034992E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO349182  

441711 (2009 BW)          Discovered 2008-Dec-21 by CSS at Catalina
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 BW = 2013 CQ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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