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249155 (2008 AH115)
Classification: Main-belt Asteroid          SPK-ID: 2249155
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131255556008295 7.538e-08  
a 3.065833758026646 4.6604e-08 au
q 2.719009610770103 2.4192e-07 au
i 16.01622334620008 9.7825e-06 deg
node 329.2127052332777 2.225e-05 deg
peri 331.8645577793487 4.2957e-05 deg
M 316.2491694512669 4.1316e-05 deg
tp 2459238.789623419099
(2021-Jan-24.28962342)
0.00022805 TDB
period 1960.745964246837
5.37
4.4709e-05
1.224e-07
d
yr
n .183603590962016 4.1865e-09 deg/d
Q 3.412657905283189 5.1877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1997-01-09  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60228  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:39:34  

Additional Information
 Earth MOID = 1.71452 au 
 Jupiter MOID = 1.93419 au 
 T_jup = 3.163 
[ 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 15.5   n/a MPO433632  
diameter diameter 5.197 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249155 (2008 AH115)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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