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JPL Small-Body Database Browser
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2018 Schuster (1931 UC)
Classification: Main-belt Asteroid          SPK-ID: 2002018
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918606193958093 3.8727e-08  
a 2.183466109493617 4.8439e-09 au
q 1.764544949296413 8.4488e-08 au
i 2.559310503277564 4.3529e-06 deg
node 186.073779029437 6.6776e-05 deg
peri 157.8890662396177 6.7393e-05 deg
M 72.17280931988151 8.2299e-06 deg
tp 2458364.240533054760
(2018-Sep-02.74053305)
2.6925e-05 TDB
period 1178.468856925273
3.23
3.9216e-06
1.074e-08
d
yr
n .305481131626398 1.0165e-09 deg/d
Q 2.60238726969082 5.7733e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1985  
   data-arc span      32193 days (88.14 yr)  
   first obs. used      1931-10-17  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48807  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:09:20  

Additional Information
 Earth MOID = .756347 au 
 Jupiter MOID = 2.80061 au 
 T_jup = 3.653 
[ 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 14.3   n/a MPO347534  
diameter diameter 4.034 km 0.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.249   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2018 Schuster (1931 UC)          Discovered 1931-Oct-17 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1931 UC = 1973 UC1 = 2526 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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