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4050 Mebailey (1976 SF)
Classification: Main-belt Asteroid          SPK-ID: 2004050
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384111029531782 1.9692e-08  
a 3.187543956154638 1.4718e-08 au
q 2.746352481471538 6.7279e-08 au
i 1.475792703200965 9.2419e-07 deg
node 146.1392726457469 2.1312e-05 deg
peri 246.3651027752445 2.6801e-05 deg
M 267.6427902385345 9.8863e-06 deg
tp 2459733.774728782330
(2022-Jun-03.27472878)
5.8766e-05 TDB
period 2078.656369735183
5.69
1.4397e-05
3.942e-08
d
yr
n .1731887988998698 1.1995e-09 deg/d
Q 3.628735430837739 1.6755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2329  
   data-arc span      25739 days (70.47 yr)  
   first obs. used      1950-03-22  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 16:02:32  

Additional Information
 Earth MOID = 1.75162 au 
 Jupiter MOID = 1.80478 au 
 T_jup = 3.182 
[ 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 12.64   n/a E2021B10  
diameter diameter 16.604 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4050 Mebailey (1976 SF)          Discovered 1976-Sep-20 by Lagerkvist and Rickman at Kvistaberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1976 SF = 1954 XD = 1982 UW = 1982 VV5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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