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213882 (2003 SQ250)
Classification: Main-belt Asteroid          SPK-ID: 2213882
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2430925629635222 6.6758e-08  
a 2.397212994355352 1.0308e-08 au
q 1.81446834358805 1.6353e-07 au
i 8.049272292942018 6.3335e-06 deg
node 34.05165631733179 2.8898e-05 deg
peri 346.0767739201422 3.0311e-05 deg
M 285.5601555868662 1.0302e-05 deg
tp 2459676.824668728032
(2022-Apr-07.32466873)
4.0186e-05 TDB
period 1355.68366024535
3.71
8.7439e-06
2.394e-08
d
yr
n .2655486752232802 1.7127e-09 deg/d
Q 2.979957645122654 1.2813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1999-09-11  
   last obs. used      2020-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58712  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:29  

Additional Information
 Earth MOID = .817899 au 
 Jupiter MOID = 2.48172 au 
 T_jup = 3.474 
[ show covariance matrix ]

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 16.33   n/a E2021B55  

213882 (2003 SQ250)          Discovered 2003-Sep-26 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1967-Jun-30 21:43 00:01 Ceres 0.0463624436748445 0.0463520414893797 0.0463728613267213 5.42777098056973 5.42776930175063 2439672.404800855 1.45601006156338 1438.25430174374 73.1123247102898 -69.1653492972051 88272.3548392855 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 23:44:30 2021-Apr-13 23:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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