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19550 Samabates (1999 JP61)
Classification: Main-belt Asteroid          SPK-ID: 2019550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782969030336128 2.5391e-08  
a 2.284349952085148 5.3491e-09 au
q 1.877057430183384 5.7448e-08 au
i 3.429438957785517 2.5895e-06 deg
node 210.687441100156 5.2138e-05 deg
peri 59.79878632530428 5.2932e-05 deg
M 125.6894030458885 8.5838e-06 deg
tp 2458956.210280950695
(2020-Apr-16.71028095)
3.0213e-05 TDB
period 1261.079255821437
3.45
4.4295e-06
1.213e-08
d
yr
n .2854697659470298 1.0027e-09 deg/d
Q 2.691642473986911 6.3029e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2370  
   data-arc span      14040 days (38.44 yr)  
   first obs. used      1982-08-12  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46834  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:12:05  

Additional Information
 Earth MOID = .86377 au 
 Jupiter MOID = 2.40333 au 
 T_jup = 3.579 
[ 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 14.61   n/a MPCxxxxx  
diameter diameter 2.706 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.318   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19550 Samabates           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Samantha Lee Bates (b. 1990) is a finalist in the 2003 Discovery Channel Young Scientist Challenge, a middle school science competition, for her biochemistry, medicine, health and microbiology project. She attends the Notre Dame Elementary School, Belmont, California.
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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