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72270 (2001 AQ42)
Classification: Main-belt Asteroid          SPK-ID: 2072270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07293164304584117 8.2528e-08  
a 2.471419669358994 1.2058e-08 au
q 2.291174972216833 1.9808e-07 au
i 5.604920803798271 5.2365e-06 deg
node 9.201040377593356 3.6052e-05 deg
peri 17.05066542986076 4.6105e-05 deg
M 124.9158381580067 2.526e-05 deg
tp 2458708.082838204605
(2019-Aug-12.58283820)
9.9766e-05 TDB
period 1419.116909915878
3.89
1.0385e-05
2.843e-08
d
yr
n .2536788882470155 1.8565e-09 deg/d
Q 2.651664366501155 1.2937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      9837 days (26.93 yr)  
   first obs. used      1994-04-16  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55197  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:15:29  

Additional Information
 Earth MOID = 1.29393 au 
 Jupiter MOID = 2.64932 au 
 T_jup = 3.474 
[ 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 15.85   n/a MPCxxxxx  

72270 (2001 AQ42)          Discovered 2001-Jan-04 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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