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72224 (2001 AN11)
Classification: Main-belt Asteroid          SPK-ID: 2072224
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03147009339252134 4.5129e-08  
a 2.527901636836126 1.0943e-08 au
q 2.448348336237785 1.1367e-07 au
i 2.015565448849082 4.4346e-06 deg
node 158.1808656554335 9.7844e-05 deg
peri 220.1676540117956 0.00011411 deg
M 74.77727576548742 5.8234e-05 deg
tp 2458895.566020183055
(2020-Feb-16.06602018)
0.00023772 TDB
period 1468.042685566329
4.02
9.5323e-06
2.61e-08
d
yr
n .245224477148716 1.5923e-09 deg/d
Q 2.607454937434467 1.1287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      10741 days (29.41 yr)  
   first obs. used      1991-09-09  
   last obs. used      2021-02-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55873  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:00:54  

Additional Information
 Earth MOID = 1.44757 au 
 Jupiter MOID = 2.50481 au 
 T_jup = 3.451 
[ 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 15.81   n/a MPCxxxxx  

72224 (2001 AN11)          Discovered 2001-Jan-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 AN11 = 1999 RH16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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