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190338 (1998 SZ108)
Classification: Main-belt Asteroid          SPK-ID: 2190338
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715898203580728 3.8043e-08  
a 2.248394115819186 9.9491e-09 au
q 1.862592573391624 8.6699e-08 au
i 5.676227349188865 4.2616e-06 deg
node 223.8914588035051 3.9741e-05 deg
peri 119.8571766657961 4.1447e-05 deg
M 231.8188174857338 1.2612e-05 deg
tp 2459638.958869693337
(2022-Feb-28.45886969)
4.4351e-05 TDB
period 1231.422506747694
3.37
8.1735e-06
2.238e-08
d
yr
n .2923448272443834 1.9404e-09 deg/d
Q 2.634195658246747 1.1656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      7849 days (21.49 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:03:01  

Additional Information
 Earth MOID = .861468 au 
 Jupiter MOID = 2.79178 au 
 T_jup = 3.603 
[ 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 16.55   n/a E2021B55  

190338 (1998 SZ108)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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