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 ]  
15889 Xiaoyuhe (1997 FD4)
Classification: Main-belt Asteroid          SPK-ID: 2015889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05008420100787656 3.2311e-08  
a 2.251024455869912 7.494e-09 au
q 2.138283694548477 7.2248e-08 au
i 6.496382780225242 4.4564e-06 deg
node 180.7632259285965 2.8974e-05 deg
peri 246.0936275287266 5.2842e-05 deg
M 128.2861105163871 4.385e-05 deg
tp 2458760.911943580895
(2019-Oct-04.41194358)
0.00015001 TDB
period 1233.584054219674
3.38
6.1601e-06
1.687e-08
d
yr
n .2918325660651674 1.4573e-09 deg/d
Q 2.363765217191347 7.8693e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1427  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1995-10-21  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:30:47  

Additional Information
 Earth MOID = 1.15917 au 
 Jupiter MOID = 2.75434 au 
 T_jup = 3.617 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.26   n/a E2021B10  
diameter diameter 1.916 km 0.279 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.333   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15889 Xiaoyuhe           Discovered 1997 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Xiaoyu He (b. 1994) is a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors, for his mathematics project. He attends the Acton-Boxborough Regional High School, Acton, Massachusetts.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

[ show close-approach data ]
Alternate Designations
 1997 FD4 = 1998 RW16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-10 22:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin