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72211 (2001 AS)
Classification: Main-belt Asteroid          SPK-ID: 2072211
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06316987407780035 3.9484e-08  
a 2.545386364615725 1.0761e-08 au
q 2.384594628483599 1.0089e-07 au
i 4.940481570899813 5.0968e-06 deg
node 330.5284060991947 3.912e-05 deg
peri 125.437870078395 5.565e-05 deg
M 354.4637465624366 4.1009e-05 deg
tp 2459223.310902016502
(2021-Jan-08.81090202)
0.00016902 TDB
period 1483.300000361785
4.06
9.4063e-06
2.575e-08
d
yr
n .2427020831336844 1.5391e-09 deg/d
Q 2.70617810074785 1.1441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      9285 days (25.42 yr)  
   first obs. used      1995-08-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48042  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:00:50  

Additional Information
 Earth MOID = 1.40525 au 
 Jupiter MOID = 2.38176 au 
 T_jup = 3.435 
[ 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 15.6   n/a MPO449455  

72211 (2001 AS)          Discovered 2001-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 AS = 1997 EM40 = 1999 TV201 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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