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(2013 YS2)
Classification: Amor [NEO]          SPK-ID: 3655400
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2963273529918284 1.4593e-05  
a 1.451339958917946 3.2985e-05 au
q 1.021268230600522 2.033e-06 au
i 2.933309673054781 0.00013087 deg
node 261.840600436203 0.00012035 deg
peri 216.1999984908104 0.0001175 deg
M 229.372643948336 0.04452 deg
tp 2459232.230816393932
(2021-Jan-17.73081639)
0.086878 TDB
period 638.6341760513104
1.75
0.021772
5.961e-05
d
yr
n .5637029985239564 1.9217e-05 deg/d
Q 1.88141168723537 4.276e-05 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      112 days  
   first obs. used      2013-11-29  
   last obs. used      2014-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .32604  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:43:12  

Additional Information
 Earth MOID = .0468804 au 
 Jupiter MOID = 3.21418 au 
 T_jup = 4.593 
[ 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 23.3   n/a E2014B41  
rotation period rot_per 2.4 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Moskovitz, N.A.; Binzel, R.P.; Christensen, E.J.; et al. (2018) Astrophys. J. Supp. Series 2391, A4.]

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