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150216 (1998 SY112)
Classification: Main-belt Asteroid          SPK-ID: 2150216
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124420280317726 4.1961e-08  
a 2.306981076181294 1.1256e-08 au
q 2.047579445344548 9.8917e-08 au
i 6.642693469793396 4.4544e-06 deg
node 147.2434052214175 4.0702e-05 deg
peri 284.9976836980874 4.746e-05 deg
M 69.0986091327382 2.5484e-05 deg
tp 2458954.841791766496
(2020-Apr-15.34179177)
9.0343e-05 TDB
period 1279.865920226764
3.50
9.3671e-06
2.565e-08
d
yr
n .28127946397402 2.0586e-09 deg/d
Q 2.56638270701804 1.2522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      10167 days (27.84 yr)  
   first obs. used      1993-03-17  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5603  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:38:38  

Additional Information
 Earth MOID = 1.07374 au 
 Jupiter MOID = 2.6589 au 
 T_jup = 3.570 
[ 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 16.3   n/a MPO439896  

150216 (1998 SY112)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 1998 SY112 = 1993 FV54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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