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 ]  
19135 Takashionaka (1988 XQ)
Classification: Main-belt Asteroid          SPK-ID: 2019135
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2697218561081413 7.6477e-08  
a 2.533199996417669 7.8549e-09 au
q 1.849940591490759 1.9725e-07 au
i 9.690181409725845 4.2562e-06 deg
node 256.9221320184712 3.7544e-05 deg
peri 166.2841589411708 4.1352e-05 deg
M 343.9304376851045 1.6377e-05 deg
tp 2459266.236139002090
(2021-Feb-20.73613900)
6.716e-05 TDB
period 1472.660522857959
4.03
6.8496e-06
1.875e-08
d
yr
n .2444555241430361 1.137e-09 deg/d
Q 3.21645940134458 9.9735e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1647  
   data-arc span      11733 days (32.12 yr)  
   first obs. used      1988-12-03  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:41:37  

Additional Information
 Earth MOID = .864435 au 
 Jupiter MOID = 2.1238 au 
 T_jup = 3.379 
[ 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 14.38   n/a E2021B10  
diameter diameter 5.041 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19135 Takashionaka           Discovered 1988 Dec. 3 by K. Endate and K. Watanabe at Kitami.
Takashi Onaka (b. 1952) is a professor of infrared astronomy at the University of Tokyo. He is known for his comprehensive study of the interplanetary, circumstellar and interstellar dust based on ground-based/space-borne observations, theoretical approaches and laboratory experiments.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-09-25Last Updated: 2018-10-01

[ show close-approach data ]
Alternate Designations
 1988 XQ = 1992 WY2 
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 15:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin