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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 58 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3312178641910312 4.2271e-08  
a .9777690864865045 3.5088e-09 au
q .6539144979884288 4.3464e-08 au
i 4.551445104892426 2.3952e-06 deg
node 286.4200652681948 1.1286e-05 deg
peri 277.1256585296302 1.2305e-05 deg
M 279.312681776306 1.6374e-06 deg
tp 2459279.650864160938
(2021-Mar-06.15086416)
1.9358e-06 TDB
period 353.1448525645806
0.97
1.9009e-06
5.204e-09
d
yr
n 1.01941171557687 5.4873e-09 deg/d
Q 1.30162367498458 4.6709e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41074  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 18:10:13  

Additional Information
 Earth MOID = .0173691 au 
 Jupiter MOID = 3.66379 au 
 T_jup = 6.137 
[ 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 22.36   n/a MPCxxxxx  

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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