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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 ]

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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 
[ 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 16.1   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

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