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154231 (2002 JO103)
Classification: Main-belt Asteroid          SPK-ID: 2154231
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480922242190973 5.0533e-08  
a 3.143546378708354 3.4059e-08 au
q 2.678011603549545 1.5032e-07 au
i 7.251216179374087 4.9754e-06 deg
node 79.20749631006039 5.8467e-05 deg
peri 176.2614876415248 6.4175e-05 deg
M 66.22394450811433 2.8877e-05 deg
tp 2458626.009522080315
(2019-May-22.50952208)
0.00016118 TDB
period 2035.767773309964
5.57
3.3085e-05
9.058e-08
d
yr
n .1768374589281735 2.874e-09 deg/d
Q 3.609081153867163 3.9103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      9808 days (26.85 yr)  
   first obs. used      1993-12-14  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:20:34  

Additional Information
 Earth MOID = 1.66321 au 
 Jupiter MOID = 1.44641 au 
 T_jup = 3.180 
[ 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 15.47   n/a E2021B55  

154231 (2002 JO103)          Discovered 2002-May-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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