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46833 (1998 QB8)
Classification: Main-belt Asteroid          SPK-ID: 2046833
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461521178413993 3.7646e-08  
a 2.436112437351725 8.8729e-09 au
q 2.080069445332997 9.4854e-08 au
i 5.391869289275948 3.8178e-06 deg
node 222.8137874137418 4.1643e-05 deg
peri 97.01648079743148 4.3504e-05 deg
M 259.6019076523107 1.2887e-05 deg
tp 2459387.817732402745
(2021-Jun-22.31773240)
5.0287e-05 TDB
period 1388.815070132131
3.80
7.5876e-06
2.077e-08
d
yr
n .2592137770839064 1.4162e-09 deg/d
Q 2.792155429370453 1.017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1075  
   data-arc span      7959 days (21.79 yr)  
   first obs. used      1998-07-15  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52154  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:19  

Additional Information
 Earth MOID = 1.07572 au 
 Jupiter MOID = 2.50923 au 
 T_jup = 3.484 
[ 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 15.2   n/a MPO266175  
rotation period rot_per 13.834 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

46833 (1998 QB8)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QB8 = 2000 AO109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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