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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07311423616855707 8.1439e-08  
a 2.470995805854108 1.1739e-08 au
q 2.290330834933377 1.9567e-07 au
i 5.605426738995851 5.2161e-06 deg
node 9.200015200968746 3.4781e-05 deg
peri 17.01315387590618 4.4003e-05 deg
M 174.6767275674306 2.4187e-05 deg
tp 2458708.102973668016
(2019-Aug-12.60297367)
9.5211e-05 TDB
period 1418.751844797681
3.88
1.011e-05
2.768e-08
d
yr
n .2537441634490613 1.8082e-09 deg/d
Q 2.651660776774839 1.2598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      9919 days (27.16 yr)  
   first obs. used      1994-04-16  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:49:13  

Additional Information
 Earth MOID = 1.29364 au 
 Jupiter MOID = 2.64953 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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