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90139 (2002 YA1)
Classification: Main-belt Asteroid          SPK-ID: 2090139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08601827402449619 3.8602e-08  
a 2.723347119791268 1.8752e-08 au
q 2.48908950097724 1.0558e-07 au
i 12.41291278195389 4.9723e-06 deg
node 87.22721921148992 2.226e-05 deg
peri 52.05881314739425 4.0907e-05 deg
M 294.8066471458187 3.5122e-05 deg
tp 2459297.771821172093
(2021-Mar-24.27182117)
0.00016135 TDB
period 1641.545509422125
4.49
1.6955e-05
4.642e-08
d
yr
n .2193055251491207 2.2651e-09 deg/d
Q 2.957604738605295 2.0365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      8060 days (22.07 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:04:34  

Additional Information
 Earth MOID = 1.52402 au 
 Jupiter MOID = 2.17033 au 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO453339  

90139 (2002 YA1)          Discovered 2002-Dec-27 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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