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15447 (1998 XV4)
Classification: Main-belt Asteroid          SPK-ID: 2015447
[ 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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049094741147038 4.0565e-08  
a 2.620886443970418 1.0765e-08 au
q 2.345930625419125 1.0583e-07 au
i 2.29424427374118 4.138e-06 deg
node 337.6332774959725 0.0001026 deg
peri 240.7681848167803 0.00010411 deg
M 266.6686160659876 1.9177e-05 deg
tp 2459402.287053403365
(2021-Jul-06.78705340)		 8.3192e-05 TDB
period 1549.782432536067
4.24		 9.5479e-06
2.614e-08		 d
yr
n .2322906702529175 1.4311e-09 deg/d
Q 2.895842262521711 1.1894e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1753  
   data-arc span      9600 days (26.28 yr)  
   first obs. used      1993-10-20  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51021  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:18:38  

Additional Information
 Earth MOID = 1.3394 au 
 Jupiter MOID = 2.08176 au 
 T_jup = 3.396 
[ 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 14.0   n/a MPO358781  
diameter diameter 4.379 km 0.661 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15447 (1998 XV4)          Discovered 1998-Dec-12 by Kobayashi, T. at Oizumi
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XV4 = 1993 UD2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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