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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04178240978976879 9.0569e-08  
a 3.191488021512877 9.4242e-08 au
q 3.058139961158887 3.1077e-07 au
i 26.31825135780461 1.4277e-05 deg
node 161.0736448689098 1.4442e-05 deg
peri 310.2051955676869 0.00015292 deg
M 170.1733349750168 0.0001489 deg
tp 2457616.087172340505
(2016-Aug-15.58717234)
0.00087555 TDB
period 2082.515559852231
5.70
9.2242e-05
2.525e-07
d
yr
n .1728678560392339 7.6569e-09 deg/d
Q 3.324836081866867 9.8179e-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 = 2.10195 au 
 Jupiter MOID = 1.71614 au 
 T_jup = 3.033 
[ 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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