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JPL Small-Body Database Browser
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393418 (2001 QA250)
Classification: Main-belt Asteroid          SPK-ID: 2393418
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1583954607195135 1.0614e-07  
a 2.28859277007766 1.6184e-08 au
q 1.926090063861862 2.36e-07 au
i 7.185656038184332 5.2671e-06 deg
node 110.2763156920628 5.9909e-05 deg
peri 235.4500126681921 6.2854e-05 deg
M 146.3517606765328 2.3981e-05 deg
tp 2458486.401117203303
(2019-Jan-02.90111720)
8.0537e-05 TDB
period 1264.594268980922
3.46
1.3414e-05
3.673e-08
d
yr
n .2846762861657656 3.0196e-09 deg/d
Q 2.651095476293459 1.8747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      6771 days (18.54 yr)  
   first obs. used      2001-07-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57274  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:50:14  

Additional Information
 Earth MOID = .928583 au 
 Jupiter MOID = 2.75038 au 
 T_jup = 3.573 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO455790  

393418 (2001 QA250)          Discovered 2001-Aug-24 by NEAT at Haleakala
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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