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46742 (1997 WQ15)
Classification: Main-belt Asteroid          SPK-ID: 2046742
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726320205222596 4.5097e-08  
a 3.156900684730075 1.8452e-08 au
q 2.611918540937017 1.4385e-07 au
i 4.760854930715873 5.044e-06 deg
node 213.114307531545 5.3682e-05 deg
peri 152.0431347916504 5.5219e-05 deg
M 41.13543645415935 1.2111e-05 deg
tp 2458766.398921394958
(2019-Oct-09.89892140)
6.8816e-05 TDB
period 2048.753959174134
5.61
1.7962e-05
4.918e-08
d
yr
n .1757165609798838 1.5406e-09 deg/d
Q 3.701882828523132 2.1637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      10615 days (29.06 yr)  
   first obs. used      1991-10-07  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:45:44  

Additional Information
 Earth MOID = 1.61156 au 
 Jupiter MOID = 1.78015 au 
 T_jup = 3.177 
[ 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 14.7   n/a MPO452809  
diameter diameter 6.860 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46742 (1997 WQ15)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WQ15 = 1991 TO7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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