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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391740710610486 3.3844e-08  
a 3.183952341632868 1.5499e-08 au
q 2.740828732183464 1.0998e-07 au
i 1.474853190358341 3.5637e-06 deg
node 146.1910869224603 0.00014864 deg
peri 246.7244568955015 0.00014921 deg
M 232.5890461060056 1.4634e-05 deg
tp 2459734.933589096120
(2022-Jun-04.43358910)
8.6949e-05 TDB
period 2075.144122181048
5.68
1.5152e-05
4.148e-08
d
yr
n .173481926460909 1.2667e-09 deg/d
Q 3.627075951082273 1.7656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2251  
   data-arc span      25702 days (70.37 yr)  
   first obs. used      1950-03-22  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48371  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:10:54  

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

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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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