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JPL Small-Body Database Browser
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(2013 BA74)
Classification: Apollo [NEO]          SPK-ID: 3625704
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .444125187858351 5.4912e-08  
a 1.754966524162968 6.35e-08 au
q .9755416869339723 1.155e-07 au
i 5.22529356109365 1.2318e-05 deg
node 310.6025435340277 6.637e-06 deg
peri 203.2974572214685 4.4979e-05 deg
M 42.80723795671496 1.4423e-05 deg
tp 2458899.524412642206
(2020-Feb-20.02441264)
3.6164e-05 TDB
period 849.1837638663571
2.32
4.6089e-05
1.262e-07
d
yr
n .4239365085843258 2.3009e-08 deg/d
Q 2.534391361391963 9.1703e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.547572568293444E-12 3.107E-13
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      2559 days (7.01 yr)  
   first obs. used      2013-01-31  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45638  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-27 10:04:13  

Additional Information
 Earth MOID = .00924079 au 
 Jupiter MOID = 2.47479 au 
 T_jup = 4.001 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

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 25.5   n/a MPO253287  

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