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72234 (2001 AR16)
Classification: Main-belt Asteroid          SPK-ID: 2072234
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389338284540267 4.3979e-08  
a 2.463559461838703 1.1478e-08 au
q 2.121287714181311 1.0629e-07 au
i 7.088657979349905 4.1988e-06 deg
node 300.8257550974806 3.5716e-05 deg
peri 257.800973494949 3.8127e-05 deg
M 356.5387404628157 1.5358e-05 deg
tp 2459214.079215019215
(2020-Dec-30.57921502)
6.0285e-05 TDB
period 1412.352166718538
3.87
9.8704e-06
2.702e-08
d
yr
n .2548939340224362 1.7814e-09 deg/d
Q 2.805831209496096 1.3073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      8496 days (23.26 yr)  
   first obs. used      1997-02-06  
   last obs. used      2020-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:00:57  

Additional Information
 Earth MOID = 1.13246 au 
 Jupiter MOID = 2.21262 au 
 T_jup = 3.465 
[ 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 14.95   n/a E2021B10  
diameter diameter 2.492 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.284   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72234 (2001 AR16)          Discovered 2001-Jan-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 AR16 = 2002 MV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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