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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086745724184979 3.12e-08  
a 2.417193410483354 9.9389e-09 au
q 2.154505950146265 7.6102e-08 au
i 8.10047639950397 5.1947e-06 deg
node 10.64927436006466 2.3656e-05 deg
peri 257.593398033722 3.3779e-05 deg
M 344.7431924212021 2.4435e-05 deg
tp 2459058.673701407068
(2020-Jul-28.17370141)
9.3193e-05 TDB
period 1372.668062986386
3.76
8.4661e-06
2.318e-08
d
yr
n .2622629677977512 1.6175e-09 deg/d
Q 2.679880870820443 1.1019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1509  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:42:05  

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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