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134451 (1998 SG98)
Classification: Main-belt Asteroid          SPK-ID: 2134451
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970784059649748 4.9439e-08  
a 2.566081707072472 1.4225e-08 au
q 2.060362414666748 1.2162e-07 au
i 7.925702861279841 5.7116e-06 deg
node 182.2834857738849 4.3603e-05 deg
peri 212.7975568482924 4.695e-05 deg
M 78.66506430202861 1.9406e-05 deg
tp 2458672.417134721475
(2019-Jul-07.91713472)
7.9651e-05 TDB
period 1501.426745763469
4.11
1.2485e-05
3.418e-08
d
yr
n .2397719376025511 1.9938e-09 deg/d
Q 3.071800999478196 1.7029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      553  
   data-arc span      10668 days (29.21 yr)  
   first obs. used      1990-11-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:29:18  

Additional Information
 Earth MOID = 1.07128 au 
 Jupiter MOID = 2.3773 au 
 T_jup = 3.392 
[ 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 15.7   n/a MPO264219  

134451 (1998 SG98)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1998 SG98 = 1990 WU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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