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72225 (2001 AP12)
Classification: Main-belt Asteroid          SPK-ID: 2072225
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703523986511508 3.7121e-08  
a 2.242650537958021 9.0527e-09 au
q 1.860609639480578 8.541e-08 au
i 5.478071704297839 4.5111e-06 deg
node 145.835777912298 4.2502e-05 deg
peri 236.962129898266 4.4774e-05 deg
M 53.66980748277629 1.6789e-05 deg
tp 2459017.619091449079
(2020-Jun-17.11909145)
5.6627e-05 TDB
period 1226.706972993336
3.36
7.4276e-06
2.034e-08
d
yr
n .2934686179549057 1.7769e-09 deg/d
Q 2.624691436435463 1.0595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      15186 days (41.58 yr)  
   first obs. used      1979-07-24  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:00:54  

Additional Information
 Earth MOID = .868586 au 
 Jupiter MOID = 2.84122 au 
 T_jup = 3.608 
[ 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 16.38   n/a MPCxxxxx  

72225 (2001 AP12)          Discovered 2001-Jan-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 AP12 = 1979 OB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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