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134454 (1998 SG109)
Classification: Main-belt Asteroid          SPK-ID: 2134454
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2753211289367561 6.3871e-08  
a 2.541624738995947 1.0643e-08 au
q 1.841861746521995 1.6584e-07 au
i 3.276027598586333 5.6526e-06 deg
node 280.6692195674451 0.00010312 deg
peri 87.09448916753803 0.00010402 deg
M 126.8712724609533 1.531e-05 deg
tp 2458478.913472201519
(2018-Dec-26.41347220)
6.0649e-05 TDB
period 1480.013137451923
4.05
9.2963e-06
2.545e-08
d
yr
n .2432410840756434 1.5278e-09 deg/d
Q 3.241387731469899 1.3573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      9364 days (25.64 yr)  
   first obs. used      1994-06-13  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:29:20  

Additional Information
 Earth MOID = .84441 au 
 Jupiter MOID = 2.24533 au 
 T_jup = 3.389 
[ 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 16.4   n/a MPO310095  

134454 (1998 SG109)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1998 SG109 = 2002 RK154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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