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72281 (2001 BF4)
Classification: Main-belt Asteroid          SPK-ID: 2072281
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05356931128336542 3.9896e-08  
a 2.358990663462357 9.7696e-09 au
q 2.23262115829679 9.4891e-08 au
i 7.400495525512762 4.8456e-06 deg
node 35.97992513655112 2.8626e-05 deg
peri 127.8321029447066 5.024e-05 deg
M 149.3652646461885 4.0191e-05 deg
tp 2458651.420952255933
(2019-Jun-16.92095226)
0.00014795 TDB
period 1323.389729573972
3.62
8.2211e-06
2.251e-08
d
yr
n .2720287092721295 1.6899e-09 deg/d
Q 2.485360168627925 1.0293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1115  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1992-10-20  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:12  

Additional Information
 Earth MOID = 1.24547 au 
 Jupiter MOID = 2.48442 au 
 T_jup = 3.539 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.32   n/a MPCxxxxx  

72281 (2001 BF4)          Discovered 2001-Jan-18 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 BF4 = 1992 UA8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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