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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05440330952683467 3.59e-08  
a 2.722398568224789 1.2609e-08 au
q 2.574291076262244 9.748e-08 au
i 3.675093470488492 3.6536e-06 deg
node 96.78029635777496 6.7449e-05 deg
peri 212.9399982916903 8.0038e-05 deg
M 245.4814059135816 4.5312e-05 deg
tp 2459722.414659301547
(2022-May-22.91465930)
0.00020732 TDB
period 1640.687949825609
4.49
1.1398e-05
3.121e-08
d
yr
n .2194201524051328 1.5244e-09 deg/d
Q 2.870506060187333 1.3295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1697  
   data-arc span      15471 days (42.36 yr)  
   first obs. used      1978-11-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:26  

Additional Information
 Earth MOID = 1.55846 au 
 Jupiter MOID = 2.26049 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 14.16   n/a E2021B10  
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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