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JPL Small-Body Database Browser
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146372 (2001 QE2)
Classification: Main-belt Asteroid          SPK-ID: 2146372
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2103343377634088 7.0552e-08  
a 2.573735959248116 1.7549e-08 au
q 2.032390910681792 1.7315e-07 au
i 6.028285783575931 5.8002e-06 deg
node 242.4601463628256 5.6615e-05 deg
peri 91.97520943380717 5.9503e-05 deg
M 101.7589140624475 2.3665e-05 deg
tp 2458174.200939664605
(2018-Feb-24.70093966)
9.5654e-05 TDB
period 1508.14956247039
4.13
1.5425e-05
4.223e-08
d
yr
n .2387031160293613 2.4415e-09 deg/d
Q 3.11508100781444 2.1241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      7794 days (21.34 yr)  
   first obs. used      1997-10-08  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:40:07  

Additional Information
 Earth MOID = 1.03258 au 
 Jupiter MOID = 2.30481 au 
 T_jup = 3.389 
[ 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 15.7   n/a MPO412892  

146372 (2001 QE2)          Discovered 2001-Aug-16 by Nomen, J. at Ametlla de Mar
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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