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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4442282260797795 5.5609e-08  
a 1.755381174734126 6.7265e-08 au
q .9755913093881455 1.1849e-07 au
i 5.225729177548637 1.2319e-05 deg
node 310.5996234744896 6.6361e-06 deg
peri 203.3339706587641 4.4812e-05 deg
M 127.5166473397642 1.3634e-05 deg
tp 2458899.601538866789
(2020-Feb-20.10153887)
3.6213e-05 TDB
period 849.4847399754128
2.33
4.8828e-05
1.337e-07
d
yr
n .4237863060499706 2.4359e-08 deg/d
Q 2.535171040080106 9.7146e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.548711354317264E-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45626  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 07:36:36  

Additional Information
 Earth MOID = .00927661 au 
 Jupiter MOID = 2.47323 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 25.4   n/a MPO543945  

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