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72228 (2001 AR14)
Classification: Main-belt Asteroid          SPK-ID: 2072228
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05830188443217905 4.1734e-08  
a 2.623641034739205 1.3995e-08 au
q 2.470677818340318 1.1634e-07 au
i 9.867425013766656 3.3318e-06 deg
node 265.0056687965023 2.5346e-05 deg
peri 109.6521090487092 4.324e-05 deg
M 345.3717614034954 3.4622e-05 deg
tp 2459263.573159092801
(2021-Feb-18.07315909)
0.00014935 TDB
period 1552.226341101253
4.25
1.242e-05
3.4e-08
d
yr
n .2319249393388028 1.8557e-09 deg/d
Q 2.776604251138093 1.4811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      7760 days (21.25 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:00:55  

Additional Information
 Earth MOID = 1.49257 au 
 Jupiter MOID = 2.53402 au 
 T_jup = 3.380 
[ 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 15.14   n/a E2021B10  
diameter diameter 3.494 km 0.801 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72228 (2001 AR14)          Discovered 2001-Jan-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 AR14 = 1999 TJ268 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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