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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922795651321125 1.4587e-08  
a 2.182822542907719 4.6163e-09 au
q 1.763110373596851 3.1373e-08 au
i 2.55986187751403 6.9205e-07 deg
node 186.0637586959816 1.8765e-05 deg
peri 157.902681362467 1.9417e-05 deg
M 255.4835796210301 4.1653e-06 deg
tp 2459542.485819638367
(2021-Nov-23.98581964)
1.4114e-05 TDB
period 1177.947872912268
3.23
3.7367e-06
1.023e-08
d
yr
n .3056162401396962 9.6948e-10 deg/d
Q 2.602534712218588 5.5039e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2272  
   data-arc span      32601 days (89.26 yr)  
   first obs. used      1931-10-17  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:14:50  

Additional Information
 Earth MOID = .754014 au 
 Jupiter MOID = 2.80425 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 14.33   n/a E2021B10  
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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