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212218 (2005 GA224)
Classification: Main-belt Asteroid          SPK-ID: 2212218
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06809835852036975 4.2402e-08  
a 2.770401995442403 2.286e-08 au
q 2.581742167111218 1.1078e-07 au
i 4.533411699386384 5.3875e-06 deg
node 60.91600528107811 6.556e-05 deg
peri 227.6792040208449 8.1798e-05 deg
M 88.50756622715814 4.6934e-05 deg
tp 2458786.414034001355
(2019-Oct-29.91403400)		 0.00022017 TDB
period 1684.273493374745
4.61		 2.0847e-05
5.708e-08		 d
yr
n .2137420088935053 2.6455e-09 deg/d
Q 2.959061823773588 2.4417e-08 au
   Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      9890 days (27.08 yr)  
   first obs. used      1993-12-08  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50809  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:41:02  

Additional Information
 Earth MOID = 1.5662 au 
 Jupiter MOID = 2.13881 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457690.5 (2016-Oct-29.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06866305065023766 4.192e-08  
q 2.581002018085238 1.0972e-07 au
tp 2457108.523112435770
(2015-Mar-27.02311244)		 0.00022404 TDB
node 60.94357763965951 6.5478e-05 deg
peri 229.271117337818 8.1704e-05 deg
i 4.536551778679893 5.392e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      9890 days (27.08 yr)  
   first obs. used      1993-12-08  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50809  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:41:02  

Additional Information
 Jupiter MOID = 2.13881 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.757325808717524E-15 -4.524435339191793E-15 -1.126797343253433E-12 1.373120972351827E-15 -2.574904814383262E-13 -3.790489977486215E-16
q -4.524435339191793E-15 1.20389072878106E-14 1.946634104267471E-12 -6.614330743804577E-15 4.836719998249438E-13 1.508197874691146E-15
tp -1.126797343253433E-12 1.946634104267471E-12 5.019441687888749E-8 -1.554723769604504E-11 1.09759588072328E-8 -1.259300590276079E-11
node 1.373120972351827E-15 -6.614330743804577E-15 -1.554723769604504E-11 4.287350226344472E-9 -4.277334551641542E-9 -1.056137385096349E-10
peri -2.574904814383262E-13 4.836719998249438E-13 1.09759588072328E-8 -4.277334551641542E-9 6.675587364192842E-9 1.025987768563458E-10
i -3.790489977486215E-16 1.508197874691146E-15 -1.259300590276079E-11 -1.056137385096349E-10 1.025987768563458E-10 2.907351652166785E-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 16.3   n/a MPO437019  

212218 (2005 GA224)          Discovered 2005-Apr-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ 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
2117-Jan-14 05:18 00:13 Amphi 0.0152812603938913 0.0152488365270064 0.0153137156822806 2.71394036445118 2.71394022583511 2494291.720605524 13.3855241504491 1950.96926520571 84.0930045105355 34.1125673384015 15258.5389802421 T 16 CATAB v2.0f-lin.ifort 2021-Feb-24 12:41:02 2021-Feb-24 12:41
2179-Nov-06 15:29 00:11 Europ 0.0258552993067011 0.0258106409761483 0.0258999949152982 3.27296061984396 3.27296049424635 2517233.145268349 10.9539404025279 2710.63471760532 86.3289254965528 -34.8327887729178 25591.3544375631 T 16 CATAB v2.0f-lin.ifort 2021-Feb-24 12:41:02 2021-Feb-24 12:41
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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