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JPL Small-Body Database Browser
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185558 (2008 AG19)
Classification: Main-belt Asteroid          SPK-ID: 2185558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427302568161211 4.9271e-08  
a 2.995441596852047 2.6219e-08 au
q 2.567901448455663 1.5251e-07 au
i 2.667508276737704 6.1049e-06 deg
node 351.0554698445377 9.5786e-05 deg
peri 241.7718032136537 9.8168e-05 deg
M 54.04517916850992 1.8573e-05 deg
tp 2458716.221397587349
(2019-Aug-20.72139759)
9.8491e-05 TDB
period 1893.60639455858
5.18
2.4862e-05
6.807e-08
d
yr
n .1901134264409367 2.4961e-09 deg/d
Q 3.422981745248432 2.9961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      9570 days (26.20 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62735  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:06:43  

Additional Information
 Earth MOID = 1.55841 au 
 Jupiter MOID = 1.58716 au 
 T_jup = 3.237 
[ 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 15.7   n/a MPO475562  
diameter diameter 4.135 km 1.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185558 (2008 AG19)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2008 AG19 = 1993 FM21 = 2007 TP304 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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