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249262 (2008 SR76)
Classification: Main-belt Asteroid          SPK-ID: 2249262
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06585179067564731 6.8534e-08  
a 2.764631681486495 3.671e-08 au
q 2.582575734701984 2.0615e-07 au
i 3.92562050316974 9.551e-06 deg
node 341.1922098749344 7.81e-05 deg
peri 73.42856606802579 0.00012023 deg
M 149.3596102379365 9.6437e-05 deg
tp 2458303.897516362714
(2018-Jul-04.39751636)		 0.00044051 TDB
period 1679.014117069026
4.60		 3.3442e-05
9.156e-08		 d
yr
n .2144115384976242 4.2706e-09 deg/d
Q 2.946687628271007 3.9128e-08 au
   Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      1999-11-02  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:19:08  

Additional Information
 Earth MOID = 1.59705 au 
 Jupiter MOID = 2.27732 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457680.5 (2016-Oct-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06586852119042685 6.7526e-08  
q 2.582804897772499 2.03e-07 au
tp 2458307.377565309337
(2018-Jul-07.87756531)		 0.00044308 TDB
node 341.2088483926342 7.8097e-05 deg
peri 74.27561885063497 0.00012065 deg
i 3.925634343857023 9.5506e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      1999-11-02  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:19:08  

Additional Information
 Jupiter MOID = 2.27732 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.559788715995818E-15 -1.354513905920526E-14 -1.847080446202119E-11 -2.136015090555936E-14 -3.942501052150108E-12 6.259224205121813E-15
q -1.354513905920526E-14 4.120777446486164E-14 6.096602778503852E-11 6.675167316619683E-14 1.289660461513235E-11 -1.873578459237214E-14
tp -1.847080446202119E-11 6.096602778503852E-11 1.963155138151691E-7 1.285936210203667E-10 4.075144675507391E-8 -4.890681466114242E-11
node -2.136015090555936E-14 6.675167316619683E-14 1.285936210203667E-10 6.099068167878956E-9 -6.057025076209821E-9 2.830830704476821E-10
peri -3.942501052150108E-12 1.289660461513235E-11 4.075144675507391E-8 -6.057025076209821E-9 1.455670828933413E-8 -2.927788704846305E-10
i 6.259224205121813E-15 -1.873578459237214E-14 -4.890681466114242E-11 2.830830704476821E-10 -2.927788704846305E-10 9.121486521603539E-11

[ 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 16.7   n/a MPO418330  
diameter diameter 3.041 km 0.717 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.023   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249262 (2008 SR76)          Discovered 2008-Sep-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 SR76 = 1999 VY17 = 2010 AP3 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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