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59184 (1999 AR15)
Classification: Main-belt Asteroid          SPK-ID: 2059184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636726754327367 3.381e-08  
a 2.278435360887007 9.7171e-09 au
q 1.905517749570078 7.87e-08 au
i 2.895776709189669 3.8965e-06 deg
node 317.5726772593692 6.4628e-05 deg
peri 339.3244785016531 6.5532e-05 deg
M 260.299119864718 1.1239e-05 deg
tp 2459348.396441505205
(2021-May-13.89644151)
4.0169e-05 TDB
period 1256.184687356164
3.44
8.0361e-06
2.2e-08
d
yr
n .2865820636276628 1.8333e-09 deg/d
Q 2.651352972203937 1.1307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      8226 days (22.52 yr)  
   first obs. used      1997-10-17  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5357  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:43:37  

Additional Information
 Earth MOID = .890001 au 
 Jupiter MOID = 2.54388 au 
 T_jup = 3.588 
[ 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 15.3   n/a MPO468493  
diameter diameter 2.521 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.253   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59184 (1999 AR15)          Discovered 1999-Jan-09 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AR15 = 1997 UK4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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