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47979 (2000 WD179)
Classification: Main-belt Asteroid          SPK-ID: 2047979
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504175152271355 3.9425e-08  
a 2.737367300410845 1.3232e-08 au
q 2.325619312819033 1.0572e-07 au
i 24.01000319374993 3.965e-06 deg
node 150.8147475611883 1.1173e-05 deg
peri 349.6363373670596 1.9063e-05 deg
M 93.14754427836064 1.6171e-05 deg
tp 2458572.477155973773
(2019-Mar-29.97715597)
7.3264e-05 TDB
period 1654.238177111433
4.53
1.1995e-05
3.284e-08
d
yr
n .217622833870645 1.578e-09 deg/d
Q 3.149115288002656 1.5223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1445  
   data-arc span      23551 days (64.48 yr)  
   first obs. used      1956-03-16  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46801  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:39:32  

Additional Information
 Earth MOID = 1.34013 au 
 Jupiter MOID = 1.87189 au 
 T_jup = 3.211 
[ 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 13.9   n/a MPO474357  
diameter diameter 9.208 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.68562 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.062   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47979 (2000 WD179)          Discovered 2000-Nov-25 by LINEAR at Socorro
Reference: 20020921/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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