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JPL Small-Body Database Browser
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(2020 BW12)
Classification: Aten [NEO]          SPK-ID: 3989284
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04249551111739749 1.2104e-05  
a .9916810351798808 9.216e-05 au
q .949539042724482 7.6826e-05 au
i 18.75403299400944 0.017771 deg
node 124.3080686292396 4.5344e-05 deg
peri 252.3935964352882 0.10963 deg
M 229.5495112755948 0.1312 deg
tp 2459131.207241269220
(2020-Oct-08.70724127)
0.14968 TDB
period 360.7085517044589
0.99
0.050283
0.0001377
d
yr
n .9980356670195072 0.00013913 deg/d
Q 1.03382302763528 9.6076e-05 au
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      4 days  
   first obs. used      2020-01-26  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .76579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:12:44  

Additional Information
 Earth MOID = .0182828 au 
 Jupiter MOID = 4.04397 au 
 T_jup = 6.073 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458875.5 (2020-Jan-27.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04274001703999413 1.1897e-05  
q .9493127532557758 7.7239e-05 au
tp 2458770.761846652985
(2019-Oct-14.26184665)
0.098617 TDB
node 124.3256134486242 2.3959e-05 deg
peri 252.6039216268315 0.10897 deg
i 18.77460340350824 0.017731 deg
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      4 days  
   first obs. used      2020-01-26  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .76579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:12:44  

Additional Information
 Jupiter MOID = 4.04397 au 
 T_jup = 6.073 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.41535648421789E-10 8.655152055218307E-10 1.127659720327335E-6 -6.323059789759777E-11 1.243908550949387E-6 2.020472846132519E-7
q 8.655152055218307E-10 5.965876514699081E-9 7.601986441038856E-6 -9.546902711854091E-10 8.402669161530986E-6 1.367659430606784E-6
tp 1.127659720327335E-6 7.601986441038856E-6 .009725334420994491 -1.09879323439076E-6 .01074573296515234 .001748318163736804
node -6.323059789759777E-11 -9.546902711854091E-10 -1.09879323439076E-6 5.740524064094125E-10 -1.226597374855981E-6 -2.018340932952792E-7
peri 1.243908550949387E-6 8.402669161530986E-6 .01074573296515234 -1.226597374855981E-6 .01187359211859992 .001931893662187183
i 2.020472846132519E-7 1.367659430606784E-6 .001748318163736804 -2.018340932952792E-7 .001931893662187183 .0003143888582781105

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.24   .65405 1 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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