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66138 (1998 SE137)
Classification: Main-belt Asteroid          SPK-ID: 2066138
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659083542308517 3.4623e-08  
a 3.172804129263624 1.777e-08 au
q 2.646409417880646 1.1414e-07 au
i 6.499391029536123 3.4531e-06 deg
node 110.5393794002354 3.6333e-05 deg
peri 196.9689292353922 3.8923e-05 deg
M 27.56193214410625 1.2115e-05 deg
tp 2459042.458741851127
(2020-Jul-11.95874185)
6.9847e-05 TDB
period 2064.254880105003
5.65
1.7342e-05
4.748e-08
d
yr
n .1743970686321874 1.4651e-09 deg/d
Q 3.699198840646603 2.0719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1998-09-19  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:19:45  

Additional Information
 Earth MOID = 1.63035 au 
 Jupiter MOID = 1.5595 au 
 T_jup = 3.170 
[ 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 13.86   n/a E2021B10  

66138 (1998 SE137)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SE137 = 1999 YS1 = 2001 DC24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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