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72244 (2001 AH25)
Classification: Main-belt Asteroid          SPK-ID: 2072244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032426927444415 3.453e-08  
a 2.743710145116266 1.5058e-08 au
q 2.46044212162422 9.2717e-08 au
i 10.29792479232693 3.6257e-06 deg
node 102.4860983642986 1.9092e-05 deg
peri 129.0155925691801 2.6212e-05 deg
M 98.28089615110372 1.6442e-05 deg
tp 2458943.318286046471
(2020-Apr-03.81828605)
7.6161e-05 TDB
period 1659.991141843472
4.54
1.3666e-05
3.742e-08
d
yr
n .2168686271423164 1.7853e-09 deg/d
Q 3.026978168608311 1.6613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1246  
   data-arc span      9359 days (25.62 yr)  
   first obs. used      1995-12-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:43:00  

Additional Information
 Earth MOID = 1.46347 au 
 Jupiter MOID = 2.02945 au 
 T_jup = 3.318 
[ 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 14.49   n/a MPCxxxxx  
diameter diameter 4.131 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.237   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72244 (2001 AH25)          Discovered 2001-Jan-04 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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