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46922 (1998 ST19)
Classification: Main-belt Asteroid          SPK-ID: 2046922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133736694878151 3.0442e-08  
a 2.455085070094348 8.5264e-09 au
q 2.176743066793002 7.1515e-08 au
i 1.460827732452154 3.7588e-06 deg
node 196.6227655797017 0.00010267 deg
peri 315.4638313782531 0.00010399 deg
M 117.1098024343563 1.679e-05 deg
tp 2458743.423395644311
(2019-Sep-16.92339564)
6.4727e-05 TDB
period 1405.07091761411
3.85
7.3196e-06
2.004e-08
d
yr
n .2562148255201954 1.3347e-09 deg/d
Q 2.733427073395694 9.493e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1762  
   data-arc span      12925 days (35.39 yr)  
   first obs. used      1985-02-24  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .492  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:53:36  

Additional Information
 Earth MOID = 1.18733 au 
 Jupiter MOID = 2.25764 au 
 T_jup = 3.484 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.13   n/a E2021B10  

46922 (1998 ST19)          Discovered 1998-Sep-20 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 ST19 = 1985 DU2 = 1997 LE9 = 2000 AU106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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