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58678 (1997 YE18)
Classification: Main-belt Asteroid          SPK-ID: 2058678
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03504704280543387 5.7019e-08  
a 3.065810772756546 2.2874e-08 au
q 2.958363171370387 1.7978e-07 au
i 9.248720457056747 6.0146e-06 deg
node 312.9815685487815 3.1612e-05 deg
peri 1.715945515954705 0.00010473 deg
M 227.2629983635349 0.00010388 deg
tp 2459723.446148293880
(2022-May-23.94614829)
0.00056833 TDB
period 1960.723914034071
5.37
2.1943e-05
6.008e-08
d
yr
n .1836056557597249 2.0548e-09 deg/d
Q 3.173258374142705 2.3676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1095  
   data-arc span      10841 days (29.68 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51096  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:05  

Additional Information
 Earth MOID = 1.94434 au 
 Jupiter MOID = 2.04464 au 
 T_jup = 3.212 
[ 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 13.8   n/a MPO337721  
diameter diameter 8.807 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58678 (1997 YE18)          Discovered 1997-Dec-24 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 YE18 = 2001 QU117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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