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24617 (1978 WU)
Classification: Main-belt Asteroid          SPK-ID: 2024617
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2032465848028347 5.432e-08  
a 2.545016542364672 9.7168e-09 au
q 2.027750621862333 1.4133e-07 au
i 8.620924054309773 3.0355e-06 deg
node 239.9095363009164 3.5896e-05 deg
peri 107.697465090534 3.6934e-05 deg
M 184.7315539305626 1.0145e-05 deg
tp 2459922.497305292622
(2022-Dec-08.99730529)
4.411e-05 TDB
period 1482.97674643826
4.06
8.4929e-06
2.325e-08
d
yr
n .2427549864585741 1.3902e-09 deg/d
Q 3.06228246286701 1.1692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1419  
   data-arc span      15453 days (42.31 yr)  
   first obs. used      1978-11-29  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:35:50  

Additional Information
 Earth MOID = 1.04003 au 
 Jupiter MOID = 2.4556 au 
 T_jup = 3.399 
[ 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 14.59   n/a E2021B10  
diameter diameter 3.117 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.231   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

24617 (1978 WU)          Discovered 1978-Nov-29 by Bus, S. J., Kowal, C. T. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1978 WU = 1982 XJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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