Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
15447 (1998 XV4)
Classification: Main-belt Asteroid          SPK-ID: 2015447
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-15 18:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin