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227039 (2005 AU73)
Classification: Main-belt Asteroid          SPK-ID: 2227039
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370539856172056 4.9067e-08  
a 3.167437769913362 3.2412e-08 au
q 2.733327799352262 1.6667e-07 au
i .9936650997097543 7.6269e-06 deg
node 32.66824291172888 0.00029589 deg
peri 68.63486206167801 0.00029724 deg
M 312.6880823746696 2.8631e-05 deg
tp 2459471.100511906331
(2021-Sep-13.60051191)
0.00016478 TDB
period 2059.019992758091
5.64
3.1604e-05
8.653e-08
d
yr
n .1748404586969426 2.6837e-09 deg/d
Q 3.601547740474461 3.6854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      7529 days (20.61 yr)  
   first obs. used      2000-04-05  
   last obs. used      2020-11-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57115  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:11  

Additional Information
 Earth MOID = 1.75024 au 
 Jupiter MOID = 1.54639 au 
 T_jup = 3.188 
[ 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 16.13   n/a E2021B55  
diameter diameter 4.021 km 0.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227039 (2005 AU73)          Discovered 2005-Jan-15 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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