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15458 (1998 YW9)
Classification: Main-belt Asteroid          SPK-ID: 2015458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1919727006287514 2.6095e-08  
a 2.418796184903893 5.4783e-09 au
q 1.954453349017372 6.4315e-08 au
i 1.428707678470442 3.1194e-06 deg
node 150.9577237793594 0.00011158 deg
peri 264.6352767199839 0.00011192 deg
M 340.8658023705858 8.7535e-06 deg
tp 2459273.530637853087
(2021-Feb-28.03063785)
3.3482e-05 TDB
period 1374.033556896851
3.76
4.6681e-06
1.278e-08
d
yr
n .2620023347996189 8.9011e-10 deg/d
Q 2.883139020790413 6.53e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2163  
   data-arc span      16578 days (45.39 yr)  
   first obs. used      1975-10-13  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48461  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:59:16  

Additional Information
 Earth MOID = .966006 au 
 Jupiter MOID = 2.4693 au 
 T_jup = 3.489 
[ 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 14.62   n/a E2021B10  
diameter diameter 3.470 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.280   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15458 (1998 YW9)          Discovered 1998-Dec-25 by Korlevic, K., Juric, M. at Visnjan
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YW9 = 1975 TC4 = 1979 YC10 = 1984 BO2 = 1997 PG6 = 1997 PH6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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