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46858 (1998 QB50)
Classification: Main-belt Asteroid          SPK-ID: 2046858
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086745725265649 3.1179e-08  
a 2.417193409729823 9.813e-09 au
q 2.154505949213404 7.5991e-08 au
i 8.100476042578448 5.054e-06 deg
node 10.64927534459756 2.3637e-05 deg
peri 257.5933943519696 3.3313e-05 deg
M 344.7431955793925 2.3557e-05 deg
tp 2459058.673689337790
(2020-Jul-28.17368934)
8.9831e-05 TDB
period 1372.668062344517
3.76
8.3589e-06
2.289e-08
d
yr
n .2622629679203871 1.5971e-09 deg/d
Q 2.679880870246241 1.0879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1564  
   data-arc span      8039 days (22.01 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:45:08  

Additional Information
 Earth MOID = 1.15661 au 
 Jupiter MOID = 2.41934 au 
 T_jup = 3.494 
[ 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 14.5   n/a MPO385115  

46858 (1998 QB50)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QB50 = 1999 XA133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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