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19830 (2000 SC218)
Classification: Main-belt Asteroid          SPK-ID: 2019830
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2158524524294683 2.5159e-08  
a 2.270275652557446 7.0924e-09 au
q 1.78023108526201 5.9289e-08 au
i 6.868750755588581 3.0542e-06 deg
node 92.71467747554355 2.5324e-05 deg
peri 227.8058199749419 2.6497e-05 deg
M 8.949936618620876 7.4704e-06 deg
tp 2459169.437688308833
(2020-Nov-15.93768831)
2.5922e-05 TDB
period 1249.442614549277
3.42
5.855e-06
1.603e-08
d
yr
n .2881284788976611 1.3502e-09 deg/d
Q 2.760320219852882 8.6234e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2239  
   data-arc span      9918 days (27.15 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43237  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:37  

Additional Information
 Earth MOID = .77365 au 
 Jupiter MOID = 2.55934 au 
 T_jup = 3.573 
[ 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 14.12   n/a E2021B10  
diameter diameter 3.791 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 23.700 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.345   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19830 (2000 SC218)          Discovered 2000-Sep-26 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 SC218 = 1993 TH29 = 1999 GG38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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