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190862 (2001 SK280)
Classification: Main-belt Asteroid          SPK-ID: 2190862
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512630008679318 5.1911e-08  
a 2.376646372712067 9.6425e-09 au
q 2.017147710373755 1.264e-07 au
i 6.30127268665428 4.8736e-06 deg
node 32.12970787705604 4.1908e-05 deg
peri 335.9621372171587 4.4716e-05 deg
M 100.7701491487078 1.5748e-05 deg
tp 2458825.894044450116
(2019-Dec-08.39404445)
5.7465e-05 TDB
period 1338.274728550281
3.66
8.1444e-06
2.23e-08
d
yr
n .2690030621664499 1.6371e-09 deg/d
Q 2.73614503505038 1.1101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      2001-08-24  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:18:29  

Additional Information
 Earth MOID = 1.017 au 
 Jupiter MOID = 2.72807 au 
 T_jup = 3.517 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457813.5 (2017-Mar-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524275091688888 5.2181e-08  
q 2.013528065225092 1.2718e-07 au
tp 2457486.544750112660
(2016-Apr-08.04475011)
5.309e-05 TDB
node 32.16515745333918 4.185e-05 deg
peri 335.5859857157004 4.4576e-05 deg
i 6.30787660791526 4.879e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      2001-08-24  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:18:29  

Additional Information
 Jupiter MOID = 2.72807 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.722887274411403E-15 -6.62442191459036E-15 -1.029058358870262E-12 7.031423954874866E-15 -3.508858679595259E-13 -2.275237588333423E-15
q -6.62442191459036E-15 1.617538812587007E-14 2.596628320044231E-12 -1.609236376563248E-14 8.794565787674244E-13 5.550952429365751E-15
tp -1.029058358870262E-12 2.596628320044231E-12 2.818517822195249E-9 6.696918134729768E-12 8.32018828728579E-10 2.149686533401322E-13
node 7.031423954874866E-15 -1.609236376563248E-14 6.696918134729768E-12 1.751448624940112E-9 -1.738744410226407E-9 -6.701423232175117E-11
peri -3.508858679595259E-13 8.794565787674244E-13 8.32018828728579E-10 -1.738744410226407E-9 1.98704092400983E-9 6.677829029065326E-11
i -2.275237588333423E-15 5.550952429365751E-15 2.149686533401322E-13 -6.701423232175117E-11 6.677829029065326E-11 2.380419340440974E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.34   n/a MPCxxxxx  

190862 (2001 SK280)          Discovered 2001-Sep-21 by LONEOS at Anderson Mesa
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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