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441322 (2008 BK39)
Classification: Main-belt Asteroid          SPK-ID: 2441322
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2293071554536895 7.7637e-08  
a 2.70637859550457 3.5509e-08 au
q 2.085786618188666 2.1097e-07 au
i 12.59762265208362 1.826e-05 deg
node 325.0926762950966 3.4686e-05 deg
peri 106.3119064847533 5.4113e-05 deg
M 311.2530602310586 4.1286e-05 deg
tp 2459220.704458482663
(2021-Jan-06.20445848)
0.00018845 TDB
period 1626.227316617463
4.45
3.2006e-05
8.763e-08
d
yr
n .2213712660717055 4.3568e-09 deg/d
Q 3.326970572820474 4.3652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      6091 days (16.68 yr)  
   first obs. used      2002-11-01  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:00  

Additional Information
 Earth MOID = 1.14074 au 
 Jupiter MOID = 2.08652 au 
 T_jup = 3.293 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456994.5 (2014-Dec-03.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2280922467916839 7.538e-08  
q 2.090897748761366 2.0391e-07 au
tp 2457587.993599874545
(2016-Jul-18.49359987)
0.000178 TDB
node 325.4674425167322 3.4727e-05 deg
peri 105.1424757530239 5.4672e-05 deg
i 12.59002889332018 1.8247e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      6091 days (16.68 yr)  
   first obs. used      2002-11-01  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:00  

Additional Information
 Jupiter MOID = 2.08652 au 
 T_jup = 3.293 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.68212302748034E-15 -1.522497134818193E-14 6.553494036316669E-12 -1.86837933940533E-14 1.509243946243999E-12 -8.077428704379702E-15
q -1.522497134818193E-14 4.157755004184253E-14 -1.584611501864602E-11 4.901706568522181E-14 -3.712854036990866E-12 2.190220180132443E-14
tp 6.553494036316669E-12 -1.584611501864602E-11 3.168325816447529E-8 -5.483266263775466E-11 7.520001172173951E-9 -3.86969129902395E-11
node -1.86837933940533E-14 4.901706568522181E-14 -5.483266263775466E-11 1.205987468764321E-9 -1.188166087845464E-9 -7.391119230051705E-11
peri 1.509243946243999E-12 -3.712854036990866E-12 7.520001172173951E-9 -1.188166087845464E-9 2.989045624719019E-9 6.246378135219774E-11
i -8.077428704379702E-15 2.190220180132443E-14 -3.86969129902395E-11 -7.391119230051705E-11 6.246378135219774E-11 3.329449473243119E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO477080  

441322 (2008 BK39)          Discovered 2008-Jan-30 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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