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90142 (2002 YS5)
Classification: Main-belt Asteroid          SPK-ID: 2090142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078996825989498 4.698e-08  
a 2.679513218888141 1.4317e-08 au
q 2.390394593050421 1.3014e-07 au
i 10.7267317293455 3.8938e-06 deg
node 92.54955062900615 2.5373e-05 deg
peri 138.08751827 3.1368e-05 deg
M 335.2139352663489 1.921e-05 deg
tp 2459506.803009421629
(2021-Oct-19.30300942)
8.5618e-05 TDB
period 1602.072931645128
4.39
1.284e-05
3.515e-08
d
yr
n .2247088711687583 1.8009e-09 deg/d
Q 2.968631844725862 1.5861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      8141 days (22.29 yr)  
   first obs. used      1999-02-23  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51477  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:55:16  

Additional Information
 Earth MOID = 1.39032 au 
 Jupiter MOID = 2.0722 au 
 T_jup = 3.344 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.99   n/a MPO637227  
rotation period rot_per 514.931 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

90142 (2002 YS5)          Discovered 2002-Dec-27 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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