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187904 (2000 SM363)
Classification: Main-belt Asteroid          SPK-ID: 2187904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08689726058566923 5.1386e-08  
a 2.724337054527392 2.0101e-08 au
q 2.48759962757693 1.3974e-07 au
i 11.28852458084928 5.4575e-06 deg
node 192.8839354204015 2.2218e-05 deg
peri 212.7196731569159 3.2366e-05 deg
M 130.551166953807 2.4769e-05 deg
tp 2458604.881826597973
(2019-May-01.38182660)
0.00011084 TDB
period 1642.440641688014
4.50
1.8177e-05
4.977e-08
d
yr
n .2191860033553547 2.4258e-09 deg/d
Q 2.961074481477853 2.1847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      10774 days (29.50 yr)  
   first obs. used      1991-09-15  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:18  

Additional Information
 Earth MOID = 1.50135 au 
 Jupiter MOID = 2.41868 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457190.5 (2015-Jun-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08442857742665315 5.109e-08  
q 2.494834600324434 1.3837e-07 au
tp 2456959.376969655361
(2014-Oct-28.87696966)
0.00011071 TDB
node 192.9382425121266 2.2247e-05 deg
peri 212.299110366596 3.2968e-05 deg
i 11.27671432502399 5.4521e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      10774 days (29.50 yr)  
   first obs. used      1991-09-15  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:18  

Additional Information
 Jupiter MOID = 2.41868 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.610145642781292E-15 -7.007290624252939E-15 -4.555859112345472E-13 1.679621160977751E-14 -1.142289560653138E-13 2.092804452327183E-17
q -7.007290624252939E-15 1.914599915296956E-14 1.52347503507402E-12 -4.435884962453312E-14 3.797861137267813E-13 6.408514895837664E-16
tp -4.555859112345472E-13 1.52347503507402E-12 1.225723064448598E-8 -1.300162971799605E-11 2.712669224295374E-9 2.435361191447972E-12
node 1.679621160977751E-14 -4.435884962453312E-14 -1.300162971799605E-11 4.949462362520589E-10 -4.877948771184559E-10 2.951188380889187E-11
peri -1.142289560653138E-13 3.797861137267813E-13 2.712669224295374E-9 -4.877948771184559E-10 1.086886136072412E-9 -2.842574361963523E-11
i 2.092804452327183E-17 6.408514895837664E-16 2.435361191447972E-12 2.951188380889187E-11 -2.842574361963523E-11 2.972512360673967E-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 15.52   n/a MPCxxxxx  

187904 (2000 SM363)          Discovered 2000-Sep-22 by LONEOS at Anderson Mesa
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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