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(2021 BO)
Classification: Apollo [NEO]          SPK-ID: 54106298
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632315252818714 1.5245e-05  
a 1.011654859582956 3.4281e-06 au
q .8465208937944131 1.2683e-05 au
i 2.059870443182739 0.00016591 deg
node 297.8983262843394 2.2243e-05 deg
peri 270.1490756844372 0.00071566 deg
M 257.4158462957656 0.001317 deg
tp 2459306.407023917293
(2021-Apr-01.90702392)
0.00082153 TDB
period 371.660994739501
1.02
0.0018891
5.172e-06
d
yr
n .9686246474487475 4.9235e-06 deg/d
Q 1.1767888253715 3.9877e-06 au
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      1 day  
   first obs. used      2021-01-17  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .32306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-21 05:19:42  

Additional Information
 Earth MOID = .00024129 au 
 Jupiter MOID = 3.78319 au 
 T_jup = 6.013 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459232.5 (2021-Jan-18.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770784882656887 1.3545e-05  
q .8340427412412219 1.0892e-05 au
tp 2459305.833163218884
(2021-Apr-01.33316322)
0.00081454 TDB
node 297.8038528975301 4.2308e-06 deg
peri 271.0927908044839 0.00051598 deg
i 2.154462866548145 0.00015253 deg
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      1 day  
   first obs. used      2021-01-17  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .32306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-21 05:19:42  

Additional Information
 Jupiter MOID = 3.78319 au 
 T_jup = 6.013 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.834722156327352E-10 -1.471127387260514E-10 -1.073397664137546E-8 2.029612451217996E-11 5.68912942294131E-9 1.931355846344544E-9
q -1.471127387260514E-10 1.18629892133473E-10 8.452811171972107E-9 -1.467680827138347E-11 -4.807004467703237E-9 -1.515420351051384E-9
tp -1.073397664137546E-8 8.452811171972107E-9 6.634829994261415E-7 -1.535242327409248E-9 -2.764022801682372E-7 -1.202161322584937E-7
node 2.029612451217996E-11 -1.467680827138347E-11 -1.535242327409248E-9 1.789971588420462E-11 5.275600379034875E-11 2.95900997661804E-10
peri 5.68912942294131E-9 -4.807004467703237E-9 -2.764022801682372E-7 5.275600379034875E-11 2.662345829282869E-7 4.815425535165568E-8
i 1.931355846344544E-9 -1.515420351051384E-9 -1.202161322584937E-7 2.95900997661804E-10 4.815425535165568E-8 2.326643798344024E-8

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 32.95   .35204 E2021-BB0 autocmod 2.8

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