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183154 (2002 SK1)
Classification: Main-belt Asteroid          SPK-ID: 2183154
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2446987896504793 1.0221e-07  
a 2.536950654013236 1.5379e-08 au
q 1.916161899573206 2.6686e-07 au
i 4.468331984641091 1.5133e-05 deg
node 335.3304690833438 5.5393e-05 deg
peri 72.40533236666592 7.2391e-05 deg
M 109.8111658081975 4.5881e-05 deg
tp 2458550.294850530362
(2019-Mar-07.79485053)
0.00018499 TDB
period 1475.932366405774
4.04
1.3421e-05
3.674e-08
d
yr
n .2439136156873372 2.2179e-09 deg/d
Q 3.157739408453268 1.9142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:37:16  

Additional Information
 Earth MOID = .931617 au 
 Jupiter MOID = 2.26903 au 
 T_jup = 3.401 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457206.5 (2015-Jul-03.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2422518858552623 1.0116e-07  
q 1.923454054585491 2.6321e-07 au
tp 2457072.483263675342
(2015-Feb-18.98326368)
0.00017954 TDB
node 335.4421391210488 5.5148e-05 deg
peri 72.22795770519217 7.2692e-05 deg
i 4.474365021051812 1.5141e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:37:16  

Additional Information
 Jupiter MOID = 2.26903 au 
 T_jup = 3.401 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.023314733237879E-14 -2.661114019142432E-14 -1.721179158611798E-11 -7.51284724833073E-14 -4.514632082981181E-12 -8.852332404235327E-14
q -2.661114019142432E-14 6.928196659818464E-14 4.500378291062143E-11 1.953292454070818E-13 1.180701148763856E-11 2.309749815333774E-13
tp -1.721179158611798E-11 4.500378291062143E-11 3.223633431959169E-8 1.399556994412947E-10 8.519705531613822E-9 1.628205657957448E-10
node -7.51284724833073E-14 1.953292454070818E-13 1.399556994412947E-10 3.041276852029473E-9 -2.993866946980076E-9 5.489753288325128E-10
peri -4.514632082981181E-12 1.180701148763856E-11 8.519705531613822E-9 -2.993866946980076E-9 5.284112052086043E-9 -5.036196469629727E-10
i -8.852332404235327E-14 2.309749815333774E-13 1.628205657957448E-10 5.489753288325128E-10 -5.036196469629727E-10 2.29246552790053E-10

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 16.8   n/a MPO454260  

183154 (2002 SK1)          Discovered 2002-Sep-26 by Ferrando, R. at Pla D'Arguines
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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