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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1920101131459819 2.8736e-08  
a 2.419397649077618 7.8211e-09 au
q 1.954848832733102 6.8925e-08 au
i 1.428535651649159 3.3082e-06 deg
node 150.9560141909923 0.00013523 deg
peri 264.5594336522716 0.00013558 deg
M 288.5412832151147 1.1809e-05 deg
tp 2459273.342500289263
(2021-Feb-27.84250029)
4.5916e-05 TDB
period 1374.546094912671
3.76
6.6652e-06
1.825e-08
d
yr
n .2619046398897753 1.27e-09 deg/d
Q 2.883946465422134 9.3228e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1662  
   data-arc span      16366 days (44.81 yr)  
   first obs. used      1975-10-13  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:59:38  

Additional Information
 Earth MOID = .967145 au 
 Jupiter MOID = 2.46815 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 14.6   n/a MPO384888  
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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