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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102584403064111 3.5656e-08  
a 2.744317328589101 1.505e-08 au
q 2.462793173617293 9.6131e-08 au
i 10.30357812574442 3.7565e-06 deg
node 102.5119004415237 1.9327e-05 deg
peri 129.2006545370735 2.7018e-05 deg
M 55.64948404997993 1.7103e-05 deg
tp 2458943.810230417230
(2020-Apr-04.31023042)
7.9173e-05 TDB
period 1660.542206766977
4.55
1.366e-05
3.74e-08
d
yr
n .2167966574610041 1.7834e-09 deg/d
Q 3.02584148356091 1.6594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1218  
   data-arc span      9028 days (24.72 yr)  
   first obs. used      1995-12-24  
   last obs. used      2020-09-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:00  

Additional Information
 Earth MOID = 1.46397 au 
 Jupiter MOID = 2.03193 au 
 T_jup = 3.318 
[ 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 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

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