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19812 (2000 SG119)
Classification: Outer Main-belt Asteroid          SPK-ID: 2019812
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0639956179559308 3.9208e-08  
a 3.209512147124009 2.3461e-08 au
q 3.004117433931742 1.3491e-07 au
i 12.61853459243973 5.051e-06 deg
node 195.724758942884 1.7505e-05 deg
peri 53.77028976059387 4.3812e-05 deg
M 283.6797641179372 4.1928e-05 deg
tp 2459445.739991341350
(2021-Aug-19.23999134)		 0.00024615 TDB
period 2100.182147374066
5.75		 2.3028e-05
6.305e-08		 d
yr
n .1714137035447716 1.8795e-09 deg/d
Q 3.414906860316277 2.4962e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      10306 days (28.22 yr)  
   first obs. used      1992-03-07  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:06:25  

Additional Information
 Earth MOID = 2.01223 au 
 Jupiter MOID = 1.60745 au 
 T_jup = 3.151 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06343548435514552 3.9523e-08  
q 3.005316722648603 1.3586e-07 au
tp 2457337.365933489750
(2015-Nov-10.86593349)		 0.00023993 TDB
node 195.7582191087623 1.7504e-05 deg
peri 52.50456951537944 4.3891e-05 deg
i 12.61912514820102 5.0514e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      10306 days (28.22 yr)  
   first obs. used      1992-03-07  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:06:25  

Additional Information
 Jupiter MOID = 1.60745 au 
 T_jup = 3.151 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.562035355452411E-15 -5.308082058117795E-15 -3.309603499013691E-12 -4.35068087930674E-15 -5.186784658503355E-13 1.70455625757683E-16
q -5.308082058117795E-15 1.845844665201978E-14 1.189787797435749E-11 1.628013910160242E-14 1.860782127254565E-12 2.781121852695397E-15
tp -3.309603499013691E-12 1.189787797435749E-11 5.756544799393179E-8 3.481378068601079E-11 9.670887271237069E-9 9.808236169498641E-12
node -4.35068087930674E-15 1.628013910160242E-14 3.481378068601079E-11 3.063730457468574E-10 -2.928264696123277E-10 -1.003087904164176E-11
peri -5.186784658503355E-13 1.860782127254565E-12 9.670887271237069E-9 -2.928264696123277E-10 1.926440038237375E-9 1.160584417340213E-11
i 1.70455625757683E-16 2.781121852695397E-15 9.808236169498641E-12 -1.003087904164176E-11 1.160584417340213E-11 2.551627146433831E-11

[ 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 13.8   n/a MPO467932  
rotation period rot_per 3.182 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

19812 (2000 SG119)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2000 SG119 = 1998 HS125 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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