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344388 (2001 XF258)
Classification: Main-belt Asteroid          SPK-ID: 2344388
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182452418411623 6.1188e-08  
a 3.107686095205895 3.5655e-08 au
q 2.540681251471407 1.9098e-07 au
i 18.75731224325761 6.9508e-06 deg
node 82.22147604318518 2.1092e-05 deg
peri 335.396167931492 2.9333e-05 deg
M 140.2746507375562 2.0326e-05 deg
tp 2458220.794066677096
(2018-Apr-12.29406668)
0.00010737 TDB
period 2001.032506731414
5.48
3.4437e-05
9.428e-08
d
yr
n .179907122342576 3.0961e-09 deg/d
Q 3.674690938940384 4.216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6732 days (18.43 yr)  
   first obs. used      2001-11-17  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:25:39  

Additional Information
 Earth MOID = 1.56492 au 
 Jupiter MOID = 1.67891 au 
 T_jup = 3.113 
[ 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 15.8   n/a MPO471578  

344388 (2001 XF258)          Discovered 2001-Dec-08 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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