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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 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 
[ 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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