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JPL Small-Body Database Browser
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146425 (2001 QQ240)
Classification: Main-belt Asteroid          SPK-ID: 2146425
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090710447117653 7.8927e-08  
a 2.530472025177085 2.035e-08 au
q 2.254470797777124 1.9681e-07 au
i 14.59699421648801 8.7063e-06 deg
node 358.4060346819434 2.1869e-05 deg
peri 165.2076903806787 3.932e-05 deg
M 326.8495128806873 3.7316e-05 deg
tp 2458735.890487247292
(2019-Sep-09.39048725)
0.00015262 TDB
period 1470.282328992688
4.03
1.7736e-05
4.856e-08
d
yr
n .2448509329814507 2.9536e-09 deg/d
Q 2.806473252577046 2.2569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      7351 days (20.13 yr)  
   first obs. used      1998-12-12  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60337  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:00:43  

Additional Information
 Earth MOID = 1.26387 au 
 Jupiter MOID = 2.16708 au 
 T_jup = 3.398 
[ 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 15.1   n/a MPO270694  

146425 (2001 QQ240)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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