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(2013 BA74)
Classification: Apollo [NEO]          SPK-ID: 3625704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457901.5 (2017-May-28.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4450708862889433 6.0651e-08  
q .9760420544003225 1.0726e-07 au
tp 2458047.408972167273
(2017-Oct-20.90897217)
4.7274e-05 TDB
node 310.7535736479682 6.7672e-06 deg
peri 202.8703578262382 4.4447e-05 deg
i 5.302241885154387 1.2149e-05 deg

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
 Jupiter MOID = 2.47323 au 
 T_jup = 4.001 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
Orbit Covariance (7×7)
  e q tp node peri i A2
e 3.678531908809894E-15 -6.503132948382528E-15 2.477436531660829E-12 1.695750063940983E-13 2.536179749347053E-12 -2.655690459210501E-13 -6.112361242146712E-21
q -6.503132948382528E-15 1.150395453448162E-14 -4.440075779471934E-12 -2.925148829853507E-13 -4.49814638435933E-12 4.588438611863762E-13 1.159453427971671E-20
tp 2.477436531660829E-12 -4.440075779471934E-12 2.234850323205312E-9 3.741423846111879E-11 1.932192135300212E-9 -4.584736564238205E-11 -1.042665002095005E-17
node 1.695750063940983E-13 -2.925148829853507E-13 3.741423846111879E-11 4.579435524087075E-11 4.553108718347146E-11 -3.689270483756533E-11 3.929204047556291E-19
peri 2.536179749347053E-12 -4.49814638435933E-12 1.932192135300212E-9 4.553108718347146E-11 1.975541777159005E-9 -8.90381677175795E-11 -5.371555661407602E-18
i -2.655690459210501E-13 4.588438611863762E-13 -4.584736564238205E-11 -3.689270483756533E-11 -8.90381677175795E-11 1.476046507378839E-10 -5.460876545498987E-19
A2 -6.112361242146712E-21 1.159453427971671E-20 -1.042665002095005E-17 3.929204047556291E-19 -5.371555661407602E-18 -5.460876545498987E-19 9.65087105247514E-26

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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