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79186 (1993 QN)
Classification: Main-belt Asteroid          SPK-ID: 2079186
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2909351811728458 5.2564e-08  
a 2.62958608154818 1.9287e-08 au
q 1.864546978503367 1.3884e-07 au
i 31.20971521723001 9.2948e-06 deg
node 313.7568472829666 8.4309e-06 deg
peri 48.75970072960361 1.7322e-05 deg
M 6.870683744385463 1.5486e-05 deg
tp 2458570.774650255088
(2019-Mar-28.27465026)
6.6863e-05 TDB
period 1557.505236201979
4.26
1.7136e-05
4.692e-08
d
yr
n .2311388697978764 2.543e-09 deg/d
Q 3.394625184592994 2.4899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      9605 days (26.30 yr)  
   first obs. used      1993-08-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:43:04  

Additional Information
 Earth MOID = .939527 au 
 Jupiter MOID = 2.28093 au 
 T_jup = 3.142 
[ 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 14.1   n/a MPO502633  
diameter diameter 3.908 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 50.110 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.410   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79186 (1993 QN)          Discovered 1993-Aug-20 by Helin, E. F., Alu, J. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1993 QN = 1998 VT32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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