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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049095158551289 4.342e-08  
a 2.620886440043448 1.1432e-08 au
q 2.345930512507218 1.1215e-07 au
i 2.294238369642136 4.5634e-06 deg
node 337.6332300065279 0.00010482 deg
peri 240.7682416822788 0.00010646 deg
M 266.6686041231449 1.9564e-05 deg
tp 2459402.287103913702
(2021-Jul-06.78710391)
8.4678e-05 TDB
period 1549.782429052924
4.24
1.014e-05
2.776e-08
d
yr
n .2322906707749919 1.5198e-09 deg/d
Q 2.895842367579679 1.2631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1668  
   data-arc span      9541 days (26.12 yr)  
   first obs. used      1993-10-20  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51179  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:59:11  

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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