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JPL Small-Body Database Browser
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146721 (2001 XF8)
Classification: Main-belt Asteroid          SPK-ID: 2146721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989641432855652 3.8382e-08  
a 3.150548582991437 2.1232e-08 au
q 2.523702383296994 1.2079e-07 au
i 2.471299648486917 4.4596e-06 deg
node 100.8351451689022 0.00011285 deg
peri 326.3740430333339 0.00011365 deg
M 47.46631133196509 1.2597e-05 deg
tp 2458331.184914312857
(2018-Jul-31.68491431)
7.0568e-05 TDB
period 2042.573524816545
5.59
2.0648e-05
5.653e-08
d
yr
n .1762482454737259 1.7817e-09 deg/d
Q 3.777394782685879 2.5457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1997-02-08  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52652  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:22:05  

Additional Information
 Earth MOID = 1.53789 au 
 Jupiter MOID = 1.53903 au 
 T_jup = 3.175 
[ 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 MPO432921  

146721 (2001 XF8)          Discovered 2001-Dec-08 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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