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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1972161913970008 4.9347e-08  
a 2.56576874770299 1.4129e-08 au
q 2.059757607275554 1.2128e-07 au
i 7.92671138855118 5.6466e-06 deg
node 182.2797439069541 4.336e-05 deg
peri 212.770856796052 4.6668e-05 deg
M 126.644132780756 1.9366e-05 deg
tp 2458672.410822958292
(2019-Jul-07.91082296)
7.8701e-05 TDB
period 1501.152083090446
4.11
1.24e-05
3.395e-08
d
yr
n .2398158081750532 1.981e-09 deg/d
Q 3.071779888130426 1.6916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      11014 days (30.15 yr)  
   first obs. used      1990-11-18  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54314  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:26  

Additional Information
 Earth MOID = 1.06952 au 
 Jupiter MOID = 2.37851 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 15.69   n/a E2021B55  

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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