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146405 (2001 QJ185)
Classification: Main-belt Asteroid          SPK-ID: 2146405
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752007466512994 5.5396e-08  
a 2.564417475070677 1.665e-08 au
q 2.115129618712654 1.4356e-07 au
i 6.43709780517794 5.3149e-06 deg
node 259.0708697449803 5.0617e-05 deg
peri 56.5505377641097 5.2903e-05 deg
M 225.5495767230503 1.9843e-05 deg
tp 2459560.697532367841
(2021-Dec-12.19753237)
8.6775e-05 TDB
period 1499.966357391137
4.11
1.4608e-05
3.999e-08
d
yr
n .2400053829381489 2.3374e-09 deg/d
Q 3.013705331428699 1.9567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      8138 days (22.28 yr)  
   first obs. used      1997-10-21  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:12  

Additional Information
 Earth MOID = 1.10941 au 
 Jupiter MOID = 2.28197 au 
 T_jup = 3.403 
[ 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 MPO469553  

146405 (2001 QJ185)          Discovered 2001-Aug-21 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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