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JPL Small-Body Database Browser
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47040 (1998 WB3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2047040
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679814423575912 4.0688e-08  
a 3.203889842935278 2.1336e-08 au
q 2.665695805964173 1.3099e-07 au
i 2.847036878821397 4.4492e-06 deg
node 103.7987341593825 0.00010045 deg
peri 22.34037202861403 0.00010155 deg
M 269.1815275661107 1.4944e-05 deg
tp 2459528.928803881306
(2021-Nov-10.42880388)
8.9388e-05 TDB
period 2094.666033231842
5.73
2.0924e-05
5.729e-08
d
yr
n .1718651060782989 1.7168e-09 deg/d
Q 3.742083879906382 2.492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1395  
   data-arc span      9771 days (26.75 yr)  
   first obs. used      1993-01-26  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:30:10  

Additional Information
 Earth MOID = 1.68133 au 
 Jupiter MOID = 1.32768 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456549.5 (2013-Sep-14.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650279034296845 4.1278e-08  
q 2.678673937835568 1.329e-07 au
tp 2457436.912761459280
(2016-Feb-18.41276146)
8.2774e-05 TDB
node 103.896861506188 0.00010047 deg
peri 22.88743117827464 0.00010159 deg
i 2.845854721830488 4.446e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1395  
   data-arc span      9771 days (26.75 yr)  
   first obs. used      1993-01-26  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:30:10  

Additional Information
 Jupiter MOID = 1.32768 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.703851219074075E-15 -5.435048962599802E-15 4.884368601746285E-13 1.501690354610555E-15 1.086454975711944E-13 -6.187406285797215E-18
q -5.435048962599802E-15 1.766358456349646E-14 -1.228175751794444E-12 -5.416187908229144E-15 -3.15662861943208E-13 2.023072062883543E-16
tp 4.884368601746285E-13 -1.228175751794444E-12 6.851596893182344E-9 -1.759179835821994E-11 1.27776530038196E-9 2.568123052514594E-14
node 1.501690354610555E-15 -5.416187908229144E-15 -1.759179835821994E-11 1.009433714146967E-8 -1.008441258688573E-8 3.891224637005294E-11
peri 1.086454975711944E-13 -3.15662861943208E-13 1.27776530038196E-9 -1.008441258688573E-8 1.032086383155591E-8 -3.887972284630715E-11
i -6.187406285797215E-18 2.023072062883543E-16 2.568123052514594E-14 3.891224637005294E-11 -3.887972284630715E-11 1.97666455073779E-11

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 13.4   n/a MPO359054  
diameter diameter 9.845 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47040 (1998 WB3)          Discovered 1998-Nov-19 by ODAS at Caussols
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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