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19290 Schroeder (1996 JR1)
Classification: Main-belt Asteroid          SPK-ID: 2019290
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2284461181605364 1.4916e-08  
a 2.285601314332872 9.5511e-09 au
q 1.763464566410908 3.5543e-08 au
i 23.28924312973296 5.3205e-07 deg
node 67.50621695427252 1.0511e-06 deg
peri 251.9335581002222 3.9931e-06 deg
M 339.2009882126486 6.5802e-06 deg
tp 2459273.418771425796
(2021-Feb-27.91877143)
2.3409e-05 TDB
period 1262.115622687921
3.46
7.9112e-06
2.166e-08
d
yr
n .2852353568315001 1.7879e-09 deg/d
Q 2.807738062254837 1.1733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1703  
   data-arc span      11393 days (31.19 yr)  
   first obs. used      1989-06-04  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:50:52  

Additional Information
 Earth MOID = .86902 au 
 Jupiter MOID = 2.64505 au 
 T_jup = 3.462 
[ 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 14.20   n/a E2021B10  
diameter diameter 3.650 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19290 Schroeder           Discovered 1996 May 15 by JPL/GEODSS NEAT at Haleakala.
Jeff Schroeder (b. 1954) has contributed to the mechanical design and fabrication of all the NEAT cameras, starting with the 1995 NEAT/GEODSS camera, continuing with the 2000 NEAT/MSSS camera and concluding with the 2001 NEAT/Oschin camera. He has worked at the Jet Propulsion Laboratory at JPL for 22 years.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1996 JR1 = 1989 LK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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