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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524390940080226 4.2528e-08  
a 2.257779471838304 9.1089e-09 au
q 1.913605614681361 9.4123e-08 au
i 2.97269759874131 4.6007e-06 deg
node 318.8687314727748 0.00010822 deg
peri 351.5066956282857 0.00010996 deg
M 129.1895800984662 2.1043e-05 deg
tp 2458555.821949707485
(2019-Mar-13.32194971)
7.1589e-05 TDB
period 1239.140942971498
3.39
7.4989e-06
2.053e-08
d
yr
n .2905238520621463 1.7582e-09 deg/d
Q 2.601953328995247 1.0497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      8890 days (24.34 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:40:02  

Additional Information
 Earth MOID = .899232 au 
 Jupiter MOID = 2.64126 au 
 T_jup = 3.605 
[ 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 15.9   n/a MPO449498  
rotation period rot_per 10.168 h n/a LCDB (Rev. 2019-August); 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

[ show close-approach data ]
Alternate Designations
 1997 BN4 = 2001 FZ55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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