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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089828154807547 3.1135e-08  
a 2.416746163046019 9.9591e-09 au
q 2.153362361894953 7.5991e-08 au
i 8.103564232057691 5.0318e-06 deg
node 10.60805370516762 2.3618e-05 deg
peri 257.2588381001918 3.3183e-05 deg
M 88.91299964529937 2.3457e-05 deg
tp 2459057.571768927080
(2020-Jul-27.07176893)
8.9289e-05 TDB
period 1372.287108443109
3.76
8.4825e-06
2.322e-08
d
yr
n .2623357734580982 1.6216e-09 deg/d
Q 2.680129964197085 1.1044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1572  
   data-arc span      8039 days (22.01 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-08-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51837  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:53:04  

Additional Information
 Earth MOID = 1.15544 au 
 Jupiter MOID = 2.41585 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456974.5 (2014-Nov-13.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091611212086539 3.1252e-08  
q 2.152938695353723 7.6234e-08 au
tp 2456311.586246398383
(2013-Jan-19.08624640)
8.958e-05 TDB
node 10.7053681919697 2.3655e-05 deg
peri 257.1238543439068 3.3106e-05 deg
i 8.098045906452359 5.0273e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1572  
   data-arc span      8039 days (22.01 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-08-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51837  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:53:04  

Additional Information
 Jupiter MOID = 2.41585 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.766962427043619E-16 -2.366667807389976E-15 -6.746792020334763E-13 -7.307507364756514E-16 -1.715221489548002E-13 7.799874119382306E-16
q -2.366667807389976E-15 5.81169451566128E-15 1.523710557322374E-12 1.94111365639026E-15 3.952402969488216E-13 -1.733061594445592E-15
tp -6.746792020334763E-13 1.523710557322374E-12 8.024538562639035E-9 4.652783866338683E-13 2.080584111730067E-9 4.45744045363445E-12
node -7.307507364756514E-16 1.94111365639026E-15 4.652783866338683E-13 5.595576552700523E-10 -5.533064539894319E-10 2.438164762890807E-12
peri -1.715221489548002E-13 3.952402969488216E-13 2.080584111730067E-9 -5.533064539894319E-10 1.096030956069829E-9 -1.237788625302132E-12
i 7.799874119382306E-16 -1.733061594445592E-15 4.45744045363445E-12 2.438164762890807E-12 -1.237788625302132E-12 2.527415396486327E-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 14.54   n/a E2021B10  

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

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