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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10898438322675 3.1115e-08  
a 2.417816834833547 9.947e-09 au
q 2.15431255833396 7.5987e-08 au
i 8.100915535482125 5.03e-06 deg
node 10.62064305454504 2.3628e-05 deg
peri 257.5045621396544 3.3193e-05 deg
M 37.27270967365057 2.3436e-05 deg
tp 2459058.325408741390
(2020-Jul-27.82540874)
8.9354e-05 TDB
period 1373.199139564642
3.76
8.4741e-06
2.32e-08
d
yr
n .2621615391589411 1.6178e-09 deg/d
Q 2.681321111333134 1.1031e-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 = 1.15471 au 
 Jupiter MOID = 2.41673 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 14.54   n/a E2021B10  

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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