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131245 Bakich (2001 FF1)
Classification: Main-belt Asteroid          SPK-ID: 2131245
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08465759999712366 6.2719e-08  
a 2.788121558079367 1.7375e-08 au
q 2.552085878472127 1.7528e-07 au
i 4.346823828127688 6.8008e-06 deg
node 188.4113117167022 5.0688e-05 deg
peri 182.9141248268293 5.5682e-05 deg
M 247.5893539213171 2.3894e-05 deg
tp 2459731.471152581314
(2022-May-31.97115258)
0.00011468 TDB
period 1700.458289292957
4.66
1.5895e-05
4.352e-08
d
yr
n .2117076333284755 1.9789e-09 deg/d
Q 3.024157237686607 1.8846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      10277 days (28.14 yr)  
   first obs. used      1992-04-05  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57309  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:54:25  

Additional Information
 Earth MOID = 1.55025 au 
 Jupiter MOID = 2.40078 au 
 T_jup = 3.321 
[ 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 15.57   n/a E2021B55  
rotation period rot_per 4.37 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

131245 Bakich           Discovered 2001 Mar. 16 by D. Healy at Junk Bond Observatory.
As senior editor of Astronomy, Michael E. Bakich (b. 1953) serves as a science popularizer. A historian of astronomy specializing in the nineteenth century, he spent 30 years in planetaria as educator and consultant. He also wrote several books, including the Cambridge Encyclopedia of Amateur Astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070402/MPCPages.arcLast Updated: 2007-07-05

Alternate Designations
 2001 FF1 = 2003 SQ179 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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