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(2013 YS2)
Classification: Amor [NEO]          SPK-ID: 3655400
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2961696833716269 2.6407e-08  
a 1.450642664058175 3.5233e-09 au
q 1.021006285558692 4.0149e-08 au
i 2.916017059508763 4.1704e-06 deg
node 261.5086040474059 2.6255e-05 deg
peri 216.7209366278646 3.6176e-05 deg
M 92.62185955407971 1.1582e-05 deg
tp 2459232.308718966875
(2021-Jan-17.80871897)
2.0753e-05 TDB
period 638.1739845917562
1.75
2.325e-06
6.366e-09
d
yr
n .5641094884654287 2.0552e-09 deg/d
Q 1.880279042557659 4.5668e-09 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      2626 days (7.19 yr)  
   first obs. used      2013-11-29  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-29 06:25:17  

Additional Information
 Earth MOID = .0470761 au 
 Jupiter MOID = 3.21418 au 
 T_jup = 4.594 
[ 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 23.7   n/a E2021-MA6  
rotation period rot_per 2.4 h n/a LCDB (Rev. 2020-October); 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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