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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391740791437325 3.5439e-08  
a 3.183952344041633 1.5818e-08 au
q 2.740828708522109 1.1419e-07 au
i 1.474850788872863 3.8443e-06 deg
node 146.1910398057818 0.00015126 deg
peri 246.7245015208467 0.00015185 deg
M 232.5890473400473 1.4727e-05 deg
tp 2459734.933582816181
(2022-Jun-04.43358282)
8.7359e-05 TDB
period 2075.144124535919
5.68
1.5464e-05
4.234e-08
d
yr
n .1734819262640418 1.2928e-09 deg/d
Q 3.627075979561156 1.8019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2176  
   data-arc span      25655 days (70.24 yr)  
   first obs. used      1950-03-22  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:04:49  

Additional Information
 Earth MOID = 1.74736 au 
 Jupiter MOID = 1.80432 au 
 T_jup = 3.183 
[ 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 12.6   n/a MPO347554  
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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