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79355 (1997 BN4)
Classification: Main-belt Asteroid          SPK-ID: 2079355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524935220067918 4.1555e-08  
a 2.257646850538709 8.6986e-09 au
q 1.91337033085252 9.2218e-08 au
i 2.972707600651923 4.4322e-06 deg
node 318.8673926186626 8.6233e-05 deg
peri 351.6008573136799 8.7983e-05 deg
M 244.11748433907 2.0276e-05 deg
tp 2459795.339216233949
(2022-Aug-03.83921623)
7.0949e-05 TDB
period 1239.031764415091
3.39
7.1609e-06
1.961e-08
d
yr
n .2905494518697387 1.6792e-09 deg/d
Q 2.601923370224897 1.0025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      9391 days (25.71 yr)  
   first obs. used      1995-09-26  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:08:25  

Additional Information
 Earth MOID = .898421 au 
 Jupiter MOID = 2.64015 au 
 T_jup = 3.605 
[ 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 15.95   n/a MPCxxxxx  
rotation period rot_per 10.168 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

79355 (1997 BN4)          Discovered 1997-Jan-31 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1997 BN4 = 2001 FZ55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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