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24478 (2000 WC145)
Classification: Main-belt Asteroid          SPK-ID: 2024478
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134313893513729 2.2435e-08  
a 3.128078119141521 1.7336e-08 au
q 2.460448060173517 7.083e-08 au
i 26.38229374897538 9.3075e-07 deg
node 131.0770660960754 4.3083e-06 deg
peri 101.3631803137724 5.9582e-06 deg
M 134.8391401797059 7.2658e-06 deg
tp 2458443.617809794158
(2018-Nov-21.11780979)
3.8138e-05 TDB
period 2020.7603527504
5.53
1.6799e-05
4.599e-08
d
yr
n .1781507636519165 1.481e-09 deg/d
Q 3.795708178109525 2.1036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1958  
   data-arc span      13974 days (38.26 yr)  
   first obs. used      1982-10-13  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40859  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:43:29  

Additional Information
 Earth MOID = 1.59362 au 
 Jupiter MOID = 1.96511 au 
 T_jup = 3.021 
[ 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 12.64   n/a E2021B10  
diameter diameter 19.439 km 4.764 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 16.13 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2013) Minor Planet Bull. 40, 208-212.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.047   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

24478 (2000 WC145)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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