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72212 (2001 AT)
Classification: Main-belt Asteroid          SPK-ID: 2072212
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627970798794785 3.1652e-08  
a 2.387027082715509 7.8047e-09 au
q 1.998426044056194 7.6053e-08 au
i 1.993596248305543 4.2173e-06 deg
node 44.70763202642725 0.00010337 deg
peri 25.67741947900935 0.00010428 deg
M 186.5847023991894 1.3629e-05 deg
tp 2459849.387415159320
(2022-Sep-26.88741516)
5.2268e-05 TDB
period 1347.052265222207
3.69
6.6065e-06
1.809e-08
d
yr
n .2672502094346094 1.3107e-09 deg/d
Q 2.775628121374824 9.0753e-09 au
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      10101 days (27.66 yr)  
   first obs. used      1992-09-28  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53184  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:00:50  

Additional Information
 Earth MOID = 1.0125 au 
 Jupiter MOID = 2.4988 au 
 T_jup = 3.516 
[ 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 15.76   n/a E2021B10  

72212 (2001 AT)          Discovered 2001-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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