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79680 (1998 SK50)
Classification: Main-belt Asteroid          SPK-ID: 2079680
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2523807827005065 4.5896e-08  
a 2.538788188284079 1.0405e-08 au
q 1.898046838214142 1.1921e-07 au
i 4.314868961607043 4.2487e-06 deg
node 47.0428758879799 8.4887e-05 deg
peri 356.2663498223806 8.6599e-05 deg
M 108.2090506430506 1.8719e-05 deg
tp 2458556.381139785562
(2019-Mar-13.88113979)
7.4888e-05 TDB
period 1477.536201704637
4.05
9.0829e-06
2.487e-08
d
yr
n .2436488524509025 1.4978e-09 deg/d
Q 3.179529538354015 1.303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      12122 days (33.19 yr)  
   first obs. used      1986-11-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:45:08  

Additional Information
 Earth MOID = .907014 au 
 Jupiter MOID = 2.23354 au 
 T_jup = 3.398 
[ 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 15.4   n/a MPO459363  
diameter diameter 2.128 km 0.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.324   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79680 (1998 SK50)          Discovered 1998-Sep-25 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 SK50 = 1986 WO = 2002 PM60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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