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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04263723634620479 9.0758e-08  
a 3.188893175852864 9.2873e-08 au
q 3.052927583831226 3.102e-07 au
i 26.33360187520606 1.4281e-05 deg
node 161.049013887776 1.4438e-05 deg
peri 310.3745837196221 0.00014949 deg
M 239.242960605639 0.00014458 deg
tp 2459698.199384209810
(2022-Apr-28.69938421)
0.00082741 TDB
period 2079.976286063704
5.69
9.0865e-05
2.488e-07
d
yr
n .1730788963374625 7.5611e-09 deg/d
Q 3.324858767874502 9.6833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2000-04-03  
   last obs. used      2018-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6293  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:40:00  

Additional Information
 Earth MOID = 2.09652 au 
 Jupiter MOID = 1.71544 au 
 T_jup = 3.034 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457203.5 (2015-Jun-30.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04035910498162609 8.788e-08  
q 3.061130507951904 2.9813e-07 au
tp 2457604.839093423771
(2016-Aug-04.33909342)
0.00092862 TDB
node 161.2230055260969 1.4421e-05 deg
peri 308.1588050366863 0.00016234 deg
i 26.34753942315569 1.4285e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2000-04-03  
   last obs. used      2018-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6293  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:40:00  

Additional Information
 Jupiter MOID = 1.71544 au 
 T_jup = 3.034 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.72291363656354E-15 -2.50240654160048E-14 5.243640463612237E-11 -1.981380068957222E-14 9.082005745147885E-12 -5.506045109535861E-14
q -2.50240654160048E-14 8.888377870730442E-14 -1.933162595171319E-10 6.755678968382132E-14 -3.375793011519985E-11 2.424358537050602E-13
tp 5.243640463612237E-11 -1.933162595171319E-10 8.623293920036832E-7 -1.372023658790819E-10 1.501505527253944E-7 -1.033211283658104E-9
node -1.981380068957222E-14 6.755678968382132E-14 -1.372023658790819E-10 2.079658159797294E-10 -2.095671174284541E-10 5.593525071516605E-12
peri 9.082005745147885E-12 -3.375793011519985E-11 1.501505527253944E-7 -2.095671174284541E-10 2.63536522911314E-8 -1.860277730213409E-10
i -5.506045109535861E-14 2.424358537050602E-13 -1.033211283658104E-9 5.593525071516605E-12 -1.860277730213409E-10 2.040732224921419E-10

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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