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79531 (1998 QX6)
Classification: Main-belt Asteroid          SPK-ID: 2079531
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520283706165323 5.5158e-08  
a 2.343961307201078 1.1266e-08 au
q 1.987612688879101 1.3152e-07 au
i 13.22672228533848 5.8754e-06 deg
node 311.0361638603477 1.731e-05 deg
peri 11.52629894515264 2.1293e-05 deg
M 17.96420486944801 1.3007e-05 deg
tp 2458935.092193825054
(2020-Mar-26.59219383)
4.7222e-05 TDB
period 1310.762730335314
3.59
9.4499e-06
2.587e-08
d
yr
n .2746492493785707 1.9801e-09 deg/d
Q 2.700309925523055 1.2979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-07-16  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:35:23  

Additional Information
 Earth MOID = .976085 au 
 Jupiter MOID = 2.60775 au 
 T_jup = 3.511 
[ 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 15.2   n/a MPO436337  
diameter diameter 5.407 km 1.460 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 81.298 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.]
geometric albedo albedo 0.046   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

79531 (1998 QX6)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 QX6 = 1999 XG204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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