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 ]  
38461 Jiritrnka (1999 TR17)
Classification: Main-belt Asteroid          SPK-ID: 2038461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04663435105066406 3.6713e-08  
a 3.172780881077407 2.1087e-08 au
q 3.024820303662408 1.1562e-07 au
i .2870644057049509 4.0783e-06 deg
node 252.3024364847073 0.00086269 deg
peri 189.8851457118732 0.00086403 deg
M 179.6783280099212 4.8224e-05 deg
tp 2457970.228364250219
(2017-Aug-04.72836425)
0.00027394 TDB
period 2064.232191928242
5.65
2.0579e-05
5.634e-08
d
yr
n .1743989854473283 1.7386e-09 deg/d
Q 3.320741458492406 2.207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      8558 days (23.43 yr)  
   first obs. used      1996-01-26  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:52:26  

Additional Information
 Earth MOID = 2.04067 au 
 Jupiter MOID = 1.79471 au 
 T_jup = 3.200 
[ 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 14.5   n/a MPO436038  

38461 Jiřítrnka           Discovered 1999 Oct. 15 by P. Pravec at Ondřejov.
Jiří Trnka (1912-1969) is a Czech graphic artist, painter, maker of puppets, director of animated and puppet films, author and illustrator of books for children. He is co-founder of Czech animated film. One of his most famous films is Špalíček ("The Czech Year").
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1903-Mar-17 07:47 00:03 Jupiter 1.79920226998972 1.79920186178678 1.79920267819277 2.97645919017965 2.81385072477987 2416190.824034193 3.40552529657043 141.740810987475 11.9395289377511 -89.6917580725668 3273794.98809894 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52
1913-Nov-25 18:37 00:03 Jupiter 1.8493490081604 1.84934843480798 1.84934958151292 2.9312740488546 2.77062180667066 2420097.275994624 3.00021198503647 54.6416332665916 17.1455822313824 -73.7091179173929 3391976.44261364 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52
1924-Aug-14 13:05 00:03 Jupiter 1.99434475898989 1.99434402939613 1.99434548858377 3.247185015098 3.11364515587669 2424012.045040428 2.58693590721702 56.8900603007921 21.7485462475008 66.9642979508696 3170279.60498413 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52
1999-Dec-27 11:15 < 00:01 Jupiter 1.93240187243674 1.93240146214912 1.93240228272437 3.76506992601615 3.64679297417419 2451539.968943730 0.467674230591485 39.6684955551538 16.5882438916644 86.2229373953958 3880604.35841208 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52
2010-Sep-05 01:03 < 00:01 Jupiter 1.81274078128059 1.81274037931344 1.81274118324764 3.14377916156774 2.99145884617691 2455444.543653031 0.237313744029929 38.7491046537742 13.4305870777835 -87.6629991915836 3395364.63624639 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52
2021-May-13 14:22 < 00:01 Jupiter 1.80041098859721 1.80041059532522 1.8004113818691 2.88283236559874 2.71473776950942 2459348.098893876 0.333996597727244 40.9581261770274 11.3542043367322 -85.7283672734513 3390374.9298049 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52
2032-Jan-26 15:39 < 00:01 Jupiter 1.9042257030467 1.90422527151472 1.90422613457869 3.04736174981501 2.89772144248019 2463258.152290876 0.629910081629819 38.7486026452805 15.3331505562797 -89.0735985151089 3551919.65854021 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52
2118-Feb-26 16:01 00:03 Jupiter 1.86325540707594 1.86325468377768 1.86325613037664 3.42228817797866 3.28677208644578 2494700.167250133 3.22402003957382 140.073005280114 16.0939235151102 81.0939086643087 3383572.21877496 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52
2128-Nov-02 20:49 00:04 Jupiter 1.78345878002635 1.78345838739305 1.78345917265954 2.93915885878915 2.77286671533502 2498602.367637358 3.579989772346 161.334368162162 11.4717041554314 -88.3356256457487 3278412.33515347 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52
2139-Jul-14 08:15 00:04 Jupiter 1.83040869286351 1.83040785364368 1.83040953208396 2.90514030923092 2.74122951253195 2502507.844081690 3.87610474039252 84.6753829603301 16.8977663958713 -69.5054444567863 3252379.96261182 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52
2150-Apr-01 06:12 00:04 Jupiter 1.97617705359494 1.97617575725464 1.97617834993535 3.24504824659303 3.11016152215469 2506421.758482227 4.12391151757 72.2668660712433 29.6884453419592 46.4699332407976 2220397.92300186 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 04:52:43 2020-Feb-23 04:52

Alternate Designations
 1999 TR17 = 2001 AG6 
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-09 15:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin