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213662 (2002 SG11)
Classification: Main-belt Asteroid          SPK-ID: 2213662
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514842467900002 1.3836e-07  
a 2.595960417123616 3.0939e-08 au
q 2.202713308638991 3.381e-07 au
i 15.04627216854538 6.3063e-06 deg
node 11.96777364748889 2.0313e-05 deg
peri 304.0592048946697 5.9996e-05 deg
M 218.3617097794056 7.688e-05 deg
tp 2459997.568129344503
(2023-Feb-22.06812934)
0.00033571 TDB
period 1527.726197675878
4.18
2.7311e-05
7.477e-08
d
yr
n .2356443193470572 4.2127e-09 deg/d
Q 2.989207525608242 3.5626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      2002-09-27  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57011  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:35  

Additional Information
 Earth MOID = 1.2274 au 
 Jupiter MOID = 2.4863 au 
 T_jup = 3.353 
[ 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 16.28   n/a MPCxxxxx  

213662 (2002 SG11)          Discovered 2002-Sep-27 by NEAT at Palomar
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
2009-Jun-24 15:53 00:01 Amphi 0.0358079053153674 0.0358048200423749 0.0358109906225824 4.6507829550593 4.65078292053952 2455007.161783485 1.4433516835639 173.174990859536 110.835970012305 36.7432471581331 38068.5273577043 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 23:43:36 2021-Apr-13 23:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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