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213868 (2003 SQ165)
Classification: Main-belt Asteroid          SPK-ID: 2213868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2390682478490511 2.9415e-08  
a 2.563413044767104 1.2927e-08 au
q 1.950582379641231 7.3146e-08 au
i 26.66711083162329 7.68e-06 deg
node 188.3214138093316 8.0636e-06 deg
peri 260.9613081206422 1.8853e-05 deg
M 75.401777466445 1.6888e-05 deg
tp 2459082.517534848218
(2020-Aug-21.01753485)
6.9739e-05 TDB
period 1499.085184098522
4.10
1.134e-05
3.105e-08
d
yr
n .2401464598667799 1.8165e-09 deg/d
Q 3.176243709892977 1.6017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      6441 days (17.63 yr)  
   first obs. used      2003-09-20  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56543  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:30:42  

Additional Information
 Earth MOID = 1.12972 au 
 Jupiter MOID = 2.50697 au 
 T_jup = 3.248 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457713.5 (2016-Nov-21.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2369572260476744 2.942e-08  
q 1.95642314420891 7.3023e-08 au
tp 2457582.733444530987
(2016-Jul-13.23344453)
6.9238e-05 TDB
node 188.3886058850823 8.0553e-06 deg
peri 260.9002012173202 1.9068e-05 deg
i 26.68205470810089 7.6845e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      6441 days (17.63 yr)  
   first obs. used      2003-09-20  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56543  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:30:42  

Additional Information
 Jupiter MOID = 2.50697 au 
 T_jup = 3.248 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.655312579980264E-16 -2.130354109603045E-15 6.963654627543487E-13 -4.362319405521295E-15 1.765567743838415E-13 2.272795586248867E-15
q -2.130354109603045E-15 5.332340764267049E-15 -1.739333674717854E-12 1.098454635826797E-14 -4.397626524719221E-13 -6.267280157649717E-15
tp 6.963654627543487E-13 -1.739333674717854E-12 4.793938485004273E-9 -9.496715928216595E-12 1.206264006497389E-9 -1.110078604412418E-11
node -4.362319405521295E-15 1.098454635826797E-14 -9.496715928216595E-12 6.488740545189138E-11 -6.005969557422296E-11 -2.771151506865774E-11
peri 1.765567743838415E-13 -4.397626524719221E-13 1.206264006497389E-9 -6.005969557422296E-11 3.63572544869922E-10 2.212602796075269E-11
i 2.272795586248867E-15 -6.267280157649717E-15 -1.110078604412418E-11 -2.771151506865774E-11 2.212602796075269E-11 5.905128237010652E-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 15.97   n/a MPCxxxxx  

213868 (2003 SQ165)          Discovered 2003-Sep-20 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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