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541193 (2011 BA84)
Classification: Mars-crossing Asteroid          SPK-ID: 2541193
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2980292441859183 5.0533e-08  
a 2.320101159800077 1.6307e-08 au
q 1.628643164709988 1.1558e-07 au
i 4.390964380154363 7.7005e-06 deg
node 83.09699504560547 0.00010234 deg
peri 125.1047416647036 0.0001043 deg
M 237.8472970275183 2.2808e-05 deg
tp 2459638.485153415009
(2022-Feb-27.98515341)
8.5246e-05 TDB
period 1290.799559833923
3.53
1.3608e-05
3.726e-08
d
yr
n .2788969032855251 2.9403e-09 deg/d
Q 3.011559154890167 2.1166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      8681 days (23.77 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-12-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57382  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:25  

Additional Information
 Earth MOID = .627718 au 
 Jupiter MOID = 1.95579 au 
 T_jup = 3.514 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.15   .32672 MPCxxxxx autocmod 2.8

541193 (2011 BA84)          Discovered 1997-Mar-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 BA84 = 1997 EY24 = 2019 PS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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