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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136979435831656 3.4259e-08  
a 2.454366820516802 9.9664e-09 au
q 2.175310360225289 8.3469e-08 au
i 1.461075465375707 4.121e-06 deg
node 196.6558159484456 0.00012193 deg
peri 315.1516597138188 0.00012308 deg
M 323.5680529595529 1.6646e-05 deg
tp 2458742.630575642122
(2019-Sep-16.13057564)
6.5224e-05 TDB
period 1404.454370071344
3.85
8.5546e-06
2.342e-08
d
yr
n .256327302382713 1.5613e-09 deg/d
Q 2.733423280808315 1.11e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1415  
   data-arc span      12447 days (34.08 yr)  
   first obs. used      1985-02-24  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51517  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:53  

Additional Information
 Earth MOID = 1.18664 au 
 Jupiter MOID = 2.26056 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 15.0   n/a MPO432027  

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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