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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
85401 Yamatenclub (1996 TW14)
Classification: Main-belt Asteroid          SPK-ID: 2085401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243523658284841 4.6052e-08  
a 2.530705217025592 7.4224e-09 au
q 2.216006036073972 1.1885e-07 au
i 3.498234339245128 5.4872e-06 deg
node 2.066565205345686 4.1644e-05 deg
peri 40.38526975486777 4.61e-05 deg
M 35.83922190363866 1.8867e-05 deg
tp 2459250.108170302632
(2021-Feb-04.60817030)
7.6929e-05 TDB
period 1470.485571164196
4.03
6.4693e-06
1.771e-08
d
yr
n .2448170910748787 1.0771e-09 deg/d
Q 2.845404397977212 8.3454e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1568  
   data-arc span      9849 days (26.97 yr)  
   first obs. used      1994-03-10  
   last obs. used      2021-02-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:51  

Additional Information
 Earth MOID = 1.22511 au 
 Jupiter MOID = 2.54037 au 
 T_jup = 3.437 
[ 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 15.06   n/a E2021B10  
diameter diameter 2.972 km 1.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.78 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.219   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85401 Yamatenclub           Discovered 1996 Oct. 9 by T. Okuni at Nanyo.
The Yamagata Tenmon Club, established in 1961, consists of a group of amateur astronomers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110218/MPCPages.arcLast Updated: 2011-02-22

Alternate Designations
 1996 TW14 = 2000 SS145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 06:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin