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175744 (1998 QK47)
Classification: Main-belt Asteroid          SPK-ID: 2175744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065583954718649 4.1084e-08  
a 2.604712011448605 1.1681e-08 au
q 2.066686877697487 1.053e-07 au
i 4.12971887474672 5.8262e-06 deg
node 168.9099986597156 5.2556e-05 deg
peri 139.6532117147039 5.4578e-05 deg
M 132.5487548038772 1.3481e-05 deg
tp 2458635.158134740607
(2019-May-31.65813474)
5.6847e-05 TDB
period 1535.458192681778
4.20
1.0329e-05
2.828e-08
d
yr
n .234457702408189 1.5772e-09 deg/d
Q 3.142737145199722 1.4094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      8178 days (22.39 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57265  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:49:29  

Additional Information
 Earth MOID = 1.05227 au 
 Jupiter MOID = 2.1393 au 
 T_jup = 3.379 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO493979  
diameter diameter 1.687 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.205   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

175744 (1998 QK47)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 1998 QK47 = 2002 PR37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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