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146418 (2001 QG219)
Classification: Main-belt Asteroid          SPK-ID: 2146418
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298181671892675 5.9653e-08  
a 2.599263571470784 1.5787e-08 au
q 2.261831938580617 1.5269e-07 au
i 1.309470459121481 4.4507e-06 deg
node 286.9906819539497 0.00021878 deg
peri 81.71300822317656 0.00021938 deg
M 143.5319147997067 1.7155e-05 deg
tp 2458390.233001663247
(2018-Sep-28.73300166)
7.1338e-05 TDB
period 1530.642991196827
4.19
1.3945e-05
3.818e-08
d
yr
n .2351952754956347 2.1427e-09 deg/d
Q 2.936695204360951 1.7836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1997-10-10  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:17  

Additional Information
 Earth MOID = 1.26136 au 
 Jupiter MOID = 2.53027 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 16.4   n/a MPO453929  

146418 (2001 QG219)          Discovered 2001-Aug-23 by Spacewatch at Kitt Peak
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 QG219 = 1999 AZ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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