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(2018 BA3)
Classification: Apollo [NEO]          SPK-ID: 3797848
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5280132244966538 0.00019205  
a 2.080442730998968 0.00083681 au
q .9819414562235782 4.5914e-06 au
i 6.041555211811508 0.0015511 deg
node 126.1947981947964 0.00034974 deg
peri 9.735883786431268 0.00019874 deg
M 344.3156618694151 0.20734 deg
tp 2459248.252462319469
(2021-Feb-02.75246232)
0.66009 TDB
period 1096.054311752305
3.00
0.66129
0.001811
d
yr
n .3284508770595993 0.00019817 deg/d
Q 3.178944005774357 0.0012786 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      9 days  
   first obs. used      2018-01-18  
   last obs. used      2018-01-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .28649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:20:19  

Additional Information
 Earth MOID = .00186329 au 
 Jupiter MOID = 1.875 au 
 T_jup = 3.569 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458139.5 (2018-Jan-21.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5311584597050892 0.00018792  
q .9844509230075741 2.3236e-07 au
tp 2458152.102155670411
(2018-Feb-02.60215567)
4.2121e-05 TDB
node 126.2622069997209 0.00012913 deg
peri 9.3953567757687 0.00056328 deg
i 5.997810131613986 0.0015853 deg
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      9 days  
   first obs. used      2018-01-18  
   last obs. used      2018-01-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .28649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:20:19  

Additional Information
 Jupiter MOID = 1.875 au 
 T_jup = 3.569 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.531359344127759E-8 -4.231022612589219E-11 -4.970515121133558E-9 2.421605472069605E-8 1.055275648377293E-7 2.978944198608902E-7
q -4.231022612589219E-11 5.398911425709444E-14 4.12488373966071E-12 -2.882972171814788E-11 -1.289010883303119E-10 -3.572394308809776E-10
tp -4.970515121133558E-9 4.12488373966071E-12 1.774147502925333E-9 -3.492469806993598E-9 -1.343390650842534E-8 -4.173295239179028E-8
node 2.421605472069605E-8 -2.882972171814788E-11 -3.492469806993598E-9 1.667334862648214E-8 7.219183347218583E-8 2.042173586672337E-7
peri 1.055275648377293E-7 -1.289010883303119E-10 -1.343390650842534E-8 7.219183347218583E-8 3.172869422090057E-7 8.905020789320688E-7
i 2.978944198608902E-7 -3.572394308809776E-10 -4.173295239179028E-8 2.042173586672337E-7 8.905020789320688E-7 2.513062968311549E-6

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 26.3   n/a MPO438050  

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