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501647 (2014 SD224)
Classification: Aten [NEO]          SPK-ID: 2501647
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3310767373951307 4.2313e-08  
a .977795120592125 3.5304e-09 au
q .6540699022256059 4.3525e-08 au
i 4.548426537064865 2.3944e-06 deg
node 286.4417515389345 1.1302e-05 deg
peri 277.1152213994267 1.2326e-05 deg
M 75.3987476509092 1.1482e-06 deg
tp 2458926.534047017140
(2020-Mar-18.03404702)
1.1698e-06 TDB
period 353.1589569247764
0.97
1.9126e-06
5.236e-09
d
yr
n 1.019371002606854 5.5207e-09 deg/d
Q 1.301520338958644 4.6992e-09 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   # delay obs. used      4  
   # Doppler obs. used      1  
   data-arc span      2327 days (6.37 yr)  
   first obs. used      2014-08-15  
   last obs. used      2020-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41074  
   source      ORB  
   producer      Giorgini  
   solution date      2021-Feb-17 22:55:39  

Additional Information
 Earth MOID = .0173012 au 
 Jupiter MOID = 3.66501 au 
 T_jup = 6.137 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457943.5 (2017-Jul-09.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3311411234223667 4.2321e-08  
q .6538973949583311 4.3503e-08 au
tp 2457867.354255330330
(2017-Apr-23.85425533)
6.0857e-06 TDB
node 286.4812141913241 1.1313e-05 deg
peri 277.1402779134444 1.2321e-05 deg
i 4.547646371626236 2.394e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      250  
   # delay obs. used      4  
   # Doppler obs. used      1  
   data-arc span      2327 days (6.37 yr)  
   first obs. used      2014-08-15  
   last obs. used      2020-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41074  
   source      ORB  
   producer      Giorgini  
   solution date      2021-Feb-17 22:55:39  

Additional Information
 Jupiter MOID = 3.66501 au 
 T_jup = 6.137 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.791103549745245E-15 -1.840617249994002E-15 2.169039025308375E-13 -1.430590452545691E-13 2.767203507848724E-13 1.513026990087672E-17
q -1.840617249994002E-15 1.892471338435259E-15 -2.260094246687224E-13 1.45152547320071E-13 -2.827866477478335E-13 1.171459931688241E-16
tp 2.169039025308375E-13 -2.260094246687224E-13 3.703568156316345E-11 -1.518965717528429E-11 3.233506136147126E-11 -9.748038064029123E-13
node -1.430590452545691E-13 1.45152547320071E-13 -1.518965717528429E-11 1.279764531039226E-10 -1.347853353532086E-10 -1.993075864066324E-11
peri 2.767203507848724E-13 -2.827866477478335E-13 3.233506136147126E-11 -1.347853353532086E-10 1.51800665443397E-10 1.901685942245219E-11
i 1.513026990087672E-17 1.171459931688241E-16 -9.748038064029123E-13 -1.993075864066324E-11 1.901685942245219E-11 5.731322125266103E-12

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 22.3   n/a MPO434831  

501647 (2014 SD224)          Discovered 2014-Sep-22 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-10-09

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