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15427 Shabas (1998 SP61)
Classification: Main-belt Asteroid          SPK-ID: 2015427
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628605073289474 1.8266e-08  
a 2.566376529707746 1.0822e-08 au
q 2.148415146082439 4.8648e-08 au
i 13.84785833448275 1.1424e-06 deg
node 211.0263590277347 2.6449e-06 deg
peri 299.0676787944859 5.7577e-06 deg
M 17.75333256155626 7.082e-06 deg
tp 2459126.444660560758
(2020-Oct-03.94466056)
2.9415e-05 TDB
period 1501.685506407826
4.11
9.4982e-06
2.6e-08
d
yr
n .2397306216673517 1.5163e-09 deg/d
Q 2.984337913333052 1.2584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2248  
   data-arc span      17805 days (48.75 yr)  
   first obs. used      1972-06-06  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 00:34:57  

Additional Information
 Earth MOID = 1.19286 au 
 Jupiter MOID = 2.12325 au 
 T_jup = 3.373 
[ 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 12.67   n/a E2021B10  

15427 Shabas           Discovered 1998 Sept. 17 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Natalia Leonydivna Shabas (1969-2003), of the Kyiv Shevchenko National University, was an Ukrainian astronomer who studied the physical conditions in the plasma tails of comets 1P/Halley, 67P/Churyumov-Gerasimenko, C/1970 N1 (Abe), C/1982 N1 (Austin) and others. The name was suggested by K. I. Churyumov.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040713/MPCPages.arcLast Updated: 2004-07-14

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Alternate Designations
 1998 SP61 = 1972 LH = 1980 KY1 = 1984 HF2 = 1986 VQ6 = 1988 GL1 = 1990 UQ1 = 2000 CK108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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