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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1458283912799027 3.9119e-08  
a 2.436751658951534 9.3621e-09 au
q 2.081404084577998 9.7729e-08 au
i 5.391587278888196 3.9361e-06 deg
node 222.8211989885358 4.5528e-05 deg
peri 96.9793926088004 4.7648e-05 deg
M 155.9588091863152 1.3324e-05 deg
tp 2457998.602219018808
(2017-Sep-02.10221902)
5.1191e-05 TDB
period 1389.361731368247
3.80
8.007e-06
2.192e-08
d
yr
n .2591117862771929 1.4933e-09 deg/d
Q 2.79209923332507 1.0727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      7501 days (20.54 yr)  
   first obs. used      1998-07-15  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52896  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:28  

Additional Information
 Earth MOID = 1.07618 au 
 Jupiter MOID = 2.50704 au 
 T_jup = 3.483 
[ 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-January); 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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