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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
19963 (1986 TR)
Classification: Main-belt Asteroid          SPK-ID: 2019963
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3091977663846397 5.0391e-08  
a 2.667526473307821 1.3337e-08 au
q 1.842733245989148 1.3866e-07 au
i 9.757522726052336 4.9081e-06 deg
node 251.2134937389784 3.2951e-05 deg
peri 89.62645177441111 3.3849e-05 deg
M 274.3655058363506 9.8527e-06 deg
tp 2459379.036506833478
(2021-Jun-13.53650683)
4.5774e-05 TDB
period 1591.334704443179
4.36
1.1934e-05
3.267e-08
d
yr
n .2262251925976609 1.6966e-09 deg/d
Q 3.492319700626494 1.746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      11891 days (32.56 yr)  
   first obs. used      1986-10-02  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55802  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:33:57  

Additional Information
 Earth MOID = .865935 au 
 Jupiter MOID = 2.07969 au 
 T_jup = 3.293 
[ 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 13.9   n/a MPO384925  
diameter diameter 5.459 km 1.586 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.196   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19963 (1986 TR)          Discovered 1986-Oct-04 by Jensen, P. at Brorfelde
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1986 TR = 1995 WR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-10 20:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin