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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086745727057895 3.1187e-08  
a 2.417193409563687 9.8387e-09 au
q 2.154505948632103 7.6029e-08 au
i 8.100475954173669 5.0885e-06 deg
node 10.64927534048287 2.3638e-05 deg
peri 257.5933936660562 3.3415e-05 deg
M 344.7431963820782 2.3751e-05 deg
tp 2459058.673686271179
(2020-Jul-28.17368627)
9.0573e-05 TDB
period 1372.668062203
3.76
8.3808e-06
2.295e-08
d
yr
n .2622629679474254 1.6012e-09 deg/d
Q 2.679880870495271 1.0908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1548  
   data-arc span      8011 days (21.93 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:24:34  

Additional Information
 Earth MOID = 1.15661 au 
 Jupiter MOID = 2.41934 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456959.5 (2014-Oct-29.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091834727131894 3.1296e-08  
q 2.15284211911264 7.6337e-08 au
tp 2456311.610797329916
(2013-Jan-19.11079733)
9.0511e-05 TDB
node 10.7062275121678 2.366e-05 deg
peri 257.1238118909505 3.3281e-05 deg
i 8.09808833474025 5.0861e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1548  
   data-arc span      8011 days (21.93 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:24:34  

Additional Information
 Jupiter MOID = 2.41934 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.794690752554867E-16 -2.373124351566553E-15 -6.937897738061837E-13 -7.807479224329474E-16 -1.765513692591864E-13 8.285961666767716E-16
q -2.373124351566553E-15 5.827335748395936E-15 1.572413045063474E-12 2.050397586879451E-15 4.079325921896467E-13 -1.848965126518731E-15
tp -6.937897738061837E-13 1.572413045063474E-12 8.192229651748318E-9 4.815550732011757E-13 2.124244226221241E-9 4.385279293108581E-12
node -7.807479224329474E-16 2.050397586879451E-15 4.815550732011757E-13 5.59776938490207E-10 -5.535167493847876E-10 2.565246424509563E-12
peri -1.765513692591864E-13 4.079325921896467E-13 2.124244226221241E-9 -5.535167493847876E-10 1.107626882460283E-9 -1.379629823504897E-12
i 8.285961666767716E-16 -1.848965126518731E-15 4.385279293108581E-12 2.565246424509563E-12 -1.379629823504897E-12 2.586813998161587E-11

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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