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265187 (2003 YS117)
Classification: Apollo [NEO]          SPK-ID: 2265187
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 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .33035095742416 9.0949e-08  
a 1.249322763497427 3.5802e-09 au
q .8366077924442543 1.1437e-07 au
i 29.56272326395219 1.5043e-05 deg
node 300.4137401702332 9.8777e-06 deg
peri 322.0674651723632 1.773e-05 deg
M 288.6903778539741 2.7539e-05 deg
tp 2459301.531323235195
(2021-Mar-28.03132324)
3.9306e-05 TDB
period 510.0472456604815
1.40
2.1925e-06
6.003e-09
d
yr
n .7058169670808063 3.034e-09 deg/d
Q 1.662037734550599 4.7629e-09 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      5159 days (14.12 yr)  
   first obs. used      2003-12-27  
   last obs. used      2018-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5885  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:10:59  

Additional Information
 Earth MOID = .127608 au 
 Jupiter MOID = 3.56569 au 
 T_jup = 4.970 
[ 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 18.3   n/a MPO437223  

265187 (2003 YS117)          Discovered 2003-Dec-28 by LINEAR at Socorro
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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