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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1921328588230853 3.8689e-08  
a 2.183083525405781 4.7467e-09 au
q 1.763641446619989 8.4352e-08 au
i 2.559604291393698 4.1784e-06 deg
node 186.0637970413484 6.4883e-05 deg
peri 157.888108082435 6.5396e-05 deg
M 194.3746321206726 7.8368e-06 deg
tp 2459542.536223032230
(2021-Nov-24.03622303)
2.5986e-05 TDB
period 1178.159135826187
3.23
3.8425e-06
1.052e-08
d
yr
n .3055614382241743 9.9657e-10 deg/d
Q 2.602525604191574 5.6587e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2068  
   data-arc span      32250 days (88.30 yr)  
   first obs. used      1931-10-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48403  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:10:35  

Additional Information
 Earth MOID = .756359 au 
 Jupiter MOID = 2.80384 au 
 T_jup = 3.654 
[ 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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