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379421 (2010 AF77)
Classification: Main-belt Asteroid          SPK-ID: 2379421
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09770359987661427 6.0014e-08  
a 2.764380695569218 4.5298e-08 au
q 2.494290750182687 1.5832e-07 au
i 16.68256473363544 6.8373e-06 deg
node 281.7110050748413 3.3811e-05 deg
peri 174.4416215946967 6.7432e-05 deg
M 110.2637506768837 6.1564e-05 deg
tp 2458486.307823504866
(2019-Jan-02.80782350)		 0.00028031 TDB
period 1678.785479379268
4.60		 4.1263e-05
1.13e-07		 d
yr
n .2144407397025558 5.2708e-09 deg/d
Q 3.03447064095575 4.9723e-08 au
   Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6057 days (16.58 yr)  
   first obs. used      2003-10-22  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:04:28  

Additional Information
 Earth MOID = 1.51155 au 
 Jupiter MOID = 2.14323 au 
 T_jup = 3.272 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457551.5 (2016-Jun-12.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09841367889624454 6.0227e-08  
q 2.49228620983807 1.589e-07 au
tp 2456809.019014800356
(2014-May-31.51901480)		 0.00025906 TDB
node 281.7252863323479 3.381e-05 deg
peri 174.8524586631774 6.6997e-05 deg
i 16.68356111430502 6.8377e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6057 days (16.58 yr)  
   first obs. used      2003-10-22  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:04:28  

Additional Information
 Jupiter MOID = 2.14323 au 
 T_jup = 3.272 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.627308600251152E-15 -9.280792165361807E-15 4.929332858408234E-12 -3.177135524217856E-14 1.095367752355568E-12 -3.570908713928211E-15
q -9.280792165361807E-15 2.525073940134642E-14 -9.462948295112349E-12 8.631792136553867E-14 -1.982046975086215E-12 1.183068336708821E-14
tp 4.929332858408234E-12 -9.462948295112349E-12 6.711377020430444E-8 -1.152374616453888E-10 1.511320110195923E-8 -2.681954189497128E-11
node -3.177135524217856E-14 8.631792136553867E-14 -1.152374616453888E-10 1.143119093302804E-9 -1.119064208826267E-9 7.852701480735519E-11
peri 1.095367752355568E-12 -1.982046975086215E-12 1.511320110195923E-8 -1.119064208826267E-9 4.488644023835493E-9 -8.089424588963664E-11
i -3.570908713928211E-15 1.183068336708821E-14 -2.681954189497128E-11 7.852701480735519E-11 -8.089424588963664E-11 4.675444736571203E-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 16.1   n/a MPO418930  
diameter diameter 2.784 km 0.564 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379421 (2010 AF77)          Discovered 2009-Nov-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

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