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146776 (2001 XO230)
Classification: Main-belt Asteroid          SPK-ID: 2146776
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01755282943135151 5.0741e-08  
a 2.777655720216913 1.9573e-08 au
q 2.728900003140928 1.449e-07 au
i .9627275169838583 5.5269e-06 deg
node 4.738620819337017 0.0002347 deg
peri 142.1109114341232 0.00027126 deg
M 285.8054261158405 0.00013653 deg
tp 2459348.986287983276
(2021-May-14.48628798)
0.00064221 TDB
period 1690.892704227311
4.63
1.7872e-05
4.893e-08
d
yr
n .2129052890819051 2.2503e-09 deg/d
Q 2.826411437292899 1.9916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      9333 days (25.55 yr)  
   first obs. used      1994-04-16  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59944  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:01:22  

Additional Information
 Earth MOID = 1.73906 au 
 Jupiter MOID = 2.14277 au 
 T_jup = 3.334 
[ 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 15.9   n/a MPO502888  

146776 (2001 XO230)          Discovered 2001-Dec-15 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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