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JPL Small-Body Database Browser
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(2003 YS17)
Classification: Aten [NEO, PHA]          SPK-ID: 3170204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3132964933079455 2.3531e-07  
a .9311018958452449 8.6646e-09 au
q .6393909369645498 2.1987e-07 au
i 6.520584738927832 9.2347e-06 deg
node 98.94693198727803 2.229e-05 deg
peri 134.7492379366827 2.6117e-05 deg
M 2.226093988228123 3.8112e-05 deg
tp 2458998.470751473469
(2020-May-28.97075147)
3.4738e-05 TDB
period 328.166498546067
0.90
4.5808e-06
1.254e-08
d
yr
n 1.097004117102052 1.5313e-08 deg/d
Q 1.22281285472594 1.1379e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -9.038246672351663E-14 2.744E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      5757 days (15.76 yr)  
   first obs. used      2003-12-21  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45436  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-26 07:36:59  

Additional Information
 Earth MOID = .0310083 au 
 Jupiter MOID = 3.7739 au 
 T_jup = 6.387 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 21.6   n/a MPO248777  

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