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

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04247054318960841 1.2352e-05  
a .9919788190030266 9.131e-05 au
q .9498489397273818 7.5758e-05 au
i 18.75229804997394 0.017785 deg
node 124.2903264648919 0.00010899 deg
peri 251.9698055301459 0.11219 deg
M 69.52252455798239 0.16126 deg
tp 2459130.809262748518
(2020-Oct-08.30926275)		 0.15202 TDB
period 360.8710352514519
0.99		 0.049827
0.0001364		 d
yr
n .9975862976898522 0.00013774 deg/d
Q 1.034108698278671 9.5188e-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 = .0187994 au 
 Jupiter MOID = 4.04284 au 
 T_jup = 6.072 
[ 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 = 4.04284 au 
 T_jup = 6.072 
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 26.1   .65405 MPO530937 autocmod 2.8

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