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(2020 BL8)
Classification: Apollo [NEO]          SPK-ID: 3989190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2433870628981908 1.5305e-05  
a 1.316479248900693 2.7351e-05 au
q .9960652311443371 5.4655e-07 au
i 1.350116025302019 8.6584e-05 deg
node 282.5344403243477 0.00036257 deg
peri 213.2201821365104 0.00028769 deg
M 75.18712174671209 0.0024081 deg
tp 2458885.271366188062
(2020-Feb-05.77136619)
0.00010168 TDB
period 551.7209225276898
1.51
0.017194
4.707e-05
d
yr
n .6525038027390239 2.0335e-05 deg/d
Q 1.636893266657049 3.4008e-05 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      53 days  
   first obs. used      2020-01-24  
   last obs. used      2020-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .46304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-27 07:37:00  

Additional Information
 Earth MOID = .0159705 au 
 Jupiter MOID = 3.39221 au 
 T_jup = 4.928 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458878.5 (2020-Jan-30.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2441547271171308 1.5218e-05  
q .9957174926443082 5.8934e-07 au
tp 2458884.940211231400
(2020-Feb-05.44021123)
0.00016113 TDB
node 285.7542770385933 0.00026353 deg
peri 209.5991298190052 0.0004121 deg
i 1.445239444566291 7.4554e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      53 days  
   first obs. used      2020-01-24  
   last obs. used      2020-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .46304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-27 07:37:00  

Additional Information
 Jupiter MOID = 3.39221 au 
 T_jup = 4.928 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.315985540751908E-10 8.965877059258745E-12 2.430044859439811E-9 -3.819681000182668E-9 6.12064554439271E-9 1.132442562801395E-9
q 8.965877059258745E-12 3.47325527042145E-13 9.401476704727897E-11 -1.480223207658248E-10 2.370182596155933E-10 4.385273981672663E-11
tp 2.430044859439811E-9 9.401476704727897E-11 2.596398758626257E-8 -4.060064770426037E-8 6.52456688277942E-8 1.186524902386596E-8
node -3.819681000182668E-9 -1.480223207658248E-10 -4.060064770426037E-8 6.944948999882205E-8 -1.079362552169589E-7 -1.834484488429903E-8
peri 6.12064554439271E-9 2.370182596155933E-10 6.52456688277942E-8 -1.079362552169589E-7 1.698254305808547E-7 2.95771423498179E-8
i 1.132442562801395E-9 4.385273981672663E-11 1.186524902386596E-8 -1.834484488429903E-8 2.95771423498179E-8 5.55832617810673E-9

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 25.687   .34114 13 autocmod 2.8

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