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19808 Elainemccall (2000 SN85)
Classification: Main-belt Asteroid          SPK-ID: 2019808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05427533511169545 3.8653e-08  
a 2.722941157355885 1.3394e-08 au
q 2.575152613550966 1.0352e-07 au
i 3.675132800106372 3.7868e-06 deg
node 96.78280093054219 6.7908e-05 deg
peri 212.7580288085381 8.1015e-05 deg
M 201.7889534430301 4.6759e-05 deg
tp 2459721.757121040342
(2022-May-22.25712104)
0.00021466 TDB
period 1641.178471574205
4.49
1.2109e-05
3.315e-08
d
yr
n .2193545712640813 1.6185e-09 deg/d
Q 2.870729701160803 1.4121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1627  
   data-arc span      15150 days (41.48 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:05:50  

Additional Information
 Earth MOID = 1.56128 au 
 Jupiter MOID = 2.26062 au 
 T_jup = 3.353 
[ 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 14.1   n/a MPO365489  
diameter diameter 4.427 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.248   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19808 Elainemccall           Discovered 2000 Sept. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Elaine McCall mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the Howard Bishop Middle School, Gainesville, Florida.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

Alternate Designations
 2000 SN85 = 1978 VM10 = 1998 DW37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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