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(1998 SY14)
Classification: Apollo [NEO, PHA]          SPK-ID: 3014112
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6701104035695283 0.00012756  
a 2.832690987355718 0.0004404 au
q .9344752866310123 0.00021607 au
i 3.474454985959327 7.3474e-05 deg
node 39.69867106350241 0.0055049 deg
peri 22.53110527744381 0.0065258 deg
M 180.6628660816633 0.50892 deg
tp 2459867.990948606365
(2022-Oct-15.49094861)
2.664 TDB
period 1741.394738919488
4.77
0.40611
0.001112
d
yr
n .2067308416375343 4.8211e-05 deg/d
Q 4.730906688080425 0.00073552 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      125 days  
   first obs. used      1998-09-21  
   last obs. used      1999-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .50616  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:17:43  

Additional Information
 Earth MOID = .00921076 au 
 Jupiter MOID = .661473 au 
 T_jup = 2.930 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.6   n/a MPC33757  

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