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 ]  
6418 Hanamigahara (1993 XJ)
Classification: Main-belt Asteroid          SPK-ID: 2006418
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063909030378229 3.3864e-08  
a 2.259797522077189 6.1121e-09 au
q 2.019375623020763 7.6592e-08 au
i 6.147822521858125 3.7646e-06 deg
node 229.3947121960082 3.153e-05 deg
peri 179.3740865842916 3.5629e-05 deg
M 307.6590933404026 1.7768e-05 deg
tp 2459180.902046345981
(2020-Nov-27.40204635)
6.1507e-05 TDB
period 1240.802669065813
3.40
5.034e-06
1.378e-08
d
yr
n .2901347724139248 1.1771e-09 deg/d
Q 2.500219421133616 6.7624e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2369  
   data-arc span      18027 days (49.36 yr)  
   first obs. used      1971-05-14  
   last obs. used      2020-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46626  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 16:03:57  

Additional Information
 Earth MOID = 1.02944 au 
 Jupiter MOID = 2.82378 au 
 T_jup = 3.606 
[ 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 13.0   n/a MPO384812  
diameter diameter 6.386 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.3770 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.329   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

6418 Hanamigahara           Discovered 1993 Dec. 8 by T. Kobayashi at Oizumi.
Hanamigahara is beautiful forest park in the northern part of Kurohone village, Gunma prefecture.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19991123/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 1993 XJ = 1986 TE12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-24 23:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin