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JPL Small-Body Database Browser
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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 
[ 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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