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JPL Small-Body Database Browser
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(2012 YS1)
Classification: Apollo [NEO]          SPK-ID: 3621643
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 2456282.5 (2012-Dec-21.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6122650513397397 0.001371  
a 1.844398240204605 0.0057939 au
q .7151376569748068 0.00032901 au
i 7.220842987695587 0.014385 deg
node 90.42046579293681 0.002092 deg
peri 77.70606227084511 0.026364 deg
M 340.8430990912533 0.10641 deg
tp 2456331.185902797386
(2013-Feb-07.68590280)
0.041167 TDB
period 914.9144264277347
2.50
4.3111
0.0118
d
yr
n .39347942233856 0.0018541 deg/d
Q 2.973658823434403 0.0093414 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      1 day  
   first obs. used      2012-12-20  
   last obs. used      2012-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .37465  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:47:32  

Additional Information
 Earth MOID = .00852802 au 
 Jupiter MOID = 2.0393 au 
 T_jup = 3.755 
[ 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 25.0   n/a MPO247366  

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