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249151 (2008 AW77)
Classification: Main-belt Asteroid          SPK-ID: 2249151
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007468092409913391 5.5964e-08  
a 2.951406854447967 3.6724e-08 au
q 2.929365475319698 1.5092e-07 au
i 2.384835995365035 5.255e-06 deg
node 21.4623757154072 0.00014671 deg
peri 160.4585541460975 0.00046736 deg
M 175.52991028452 0.00044052 deg
tp 2458493.493909916567
(2019-Jan-09.99390992)		 0.0022711 TDB
period 1852.004549555706
5.07		 3.4566e-05
9.464e-08		 d
yr
n .1943839717274796 3.628e-09 deg/d
Q 2.973448233576236 3.6998e-08 au
   Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      6903 days (18.90 yr)  
   first obs. used      2001-10-17  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57733  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:06:22  

Additional Information
 Earth MOID = 1.92707 au 
 Jupiter MOID = 1.98051 au 
 T_jup = 3.268 
[ 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 16.62   n/a E2021B55  
diameter diameter 3.719 km 0.843 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.027   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249151 (2008 AW77)          Discovered 2008-Jan-12 by Spacewatch at Kitt Peak
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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