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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03464240044140708 5.8394e-08  
a 3.067063136619763 2.6676e-08 au
q 2.960812707261903 1.8181e-07 au
i 9.247000118615436 6.1625e-06 deg
node 312.9799282388358 3.8558e-05 deg
peri 1.447061883835419 0.00011089 deg
M 154.1241779221179 0.00010727 deg
tp 2457760.555146330904
(2017-Jan-07.05514633)
0.00058262 TDB
period 1961.925451266144
5.37
2.5596e-05
7.008e-08
d
yr
n .183493210594557 2.3939e-09 deg/d
Q 3.173313565977623 2.76e-08 au
  Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      10672 days (29.22 yr)  
   first obs. used      1990-09-17  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53634  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:03:12  

Additional Information
 Earth MOID = 1.94593 au 
 Jupiter MOID = 2.04369 au 
 T_jup = 3.211 
[ 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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