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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723735121027547 4.6829e-08  
a 3.155951264238205 1.9416e-08 au
q 2.611948860796336 1.5021e-07 au
i 4.76134722310777 5.1973e-06 deg
node 213.1142052019024 5.6614e-05 deg
peri 151.9828582777943 5.8132e-05 deg
M 330.8788358851924 1.2634e-05 deg
tp 2458766.153299243447
(2019-Oct-09.65329924)
7.1997e-05 TDB
period 2047.829801464481
5.61
1.8898e-05
5.174e-08
d
yr
n .1757958594715979 1.6223e-09 deg/d
Q 3.699953667680073 2.2762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      10248 days (28.06 yr)  
   first obs. used      1991-10-07  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:28:43  

Additional Information
 Earth MOID = 1.61073 au 
 Jupiter MOID = 1.77867 au 
 T_jup = 3.178 
[ 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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