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487358 (2014 QW227)
Classification: Main-belt Asteroid          SPK-ID: 2487358
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04263722214511811 8.3397e-08  
a 3.188893256225064 6.1217e-08 au
q 3.052927706062327 3.0575e-07 au
i 26.33360029498182 1.1883e-05 deg
node 161.0490185764427 1.2217e-05 deg
peri 310.3744936826106 0.0001484 deg
M 239.2430389277482 0.00014364 deg
tp 2459698.198958064215
(2022-Apr-28.69895806)
0.00082158 TDB
period 2079.976364698639
5.69
5.9894e-05
1.64e-07
d
yr
n .1730788897940959 4.9839e-09 deg/d
Q 3.324858806387801 6.3827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7524 days (20.60 yr)  
   first obs. used      2000-04-03  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:16:34  

Additional Information
 Earth MOID = 2.09652 au 
 Jupiter MOID = 1.71544 au 
 T_jup = 3.034 
[ 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 16.0   n/a MPO450508  
diameter diameter 4.739 km 0.737 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

487358 (2014 QW227)          Discovered 2012-Apr-01 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2014 QW227 = 2010 AF136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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