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79828 (1998 WC5)
Classification: Main-belt Asteroid          SPK-ID: 2079828
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454744817725536 3.6069e-08  
a 2.581740953308781 1.4193e-08 au
q 2.206163526055207 9.4081e-08 au
i 13.90988650987509 6.2105e-06 deg
node 129.8269506626883 1.3902e-05 deg
peri 306.0062364539494 2.4966e-05 deg
M 52.43841181574047 1.9847e-05 deg
tp 2458779.793841450625
(2019-Oct-23.29384145)
8.323e-05 TDB
period 1515.191141885899
4.15
1.2495e-05
3.421e-08
d
yr
n .2375937860565381 1.9593e-09 deg/d
Q 2.957318380562354 1.6258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      7877 days (21.57 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:43:34  

Additional Information
 Earth MOID = 1.2514 au 
 Jupiter MOID = 2.30274 au 
 T_jup = 3.368 
[ 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 15.3   n/a MPO412659  
diameter diameter 2.695 km 0.587 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.202   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79828 (1998 WC5)          Discovered 1998-Nov-21 by CSS at Catalina
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 WC5 = 2000 FS23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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