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 ]  
447242 (2005 UK204)
Classification: Main-belt Asteroid          SPK-ID: 2447242
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2089893288174116 6.9795e-08  
a 2.979548999722692 3.2597e-08 au
q 2.356855054092057 2.2405e-07 au
i 11.21040073831449 9.7963e-06 deg
node 223.2652891127576 4.6771e-05 deg
peri 207.3726396665847 6.388e-05 deg
M 1.004539824175699 4.3075e-05 deg
tp 2459391.258098176607
(2021-Jun-25.75809818)
0.00022472 TDB
period 1878.556340929691
5.14
3.0828e-05
8.44e-08
d
yr
n .1916365201066247 3.1449e-09 deg/d
Q 3.602242945353328 3.941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      5521 days (15.12 yr)  
   first obs. used      2005-10-25  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55839  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:01:02  

Additional Information
 Earth MOID = 1.37649 au 
 Jupiter MOID = 1.76625 au 
 T_jup = 3.198 
[ 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 16.82   n/a MPCxxxxx  

447242 (2005 UK204)          Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ 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
1900-Sep-08 06:51 00:06 Jupiter 1.7562286335101 1.75622776530068 1.75622950174379 2.85348841827108 2.67914232962861 2415270.785741596 5.91421649119167 636.236218732181 32.7623998629701 -85.8715625904786 1203248.42198794 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 15:01:02 2021-Apr-14 15:01
1937-Feb-02 04:00 00:05 Jupiter 1.87195406167535 1.87195138577868 1.87195673758979 2.33551239937156 2.13299258786384 2428566.666538187 4.771190237079 447.696923271011 111.635357872846 72.3870782221671 1590244.84030785 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 15:01:02 2021-Apr-14 15:01
1982-May-01 18:39 00:02 Jupiter 1.99802219267 1.99801966600554 1.9980247193407 3.37590545435989 3.24790342726386 2445091.277016020 2.19288880431057 246.072074638145 47.1824870758653 64.2367804099901 1004885.09241347 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 15:01:02 2021-Apr-14 15:01
2018-Sep-12 01:39 < 00:01 Jupiter 1.80443673621213 1.80443567593368 1.80443779649229 3.10148052375521 2.94624496173712 2458373.569053691 0.768768248415477 240.467759500181 33.2094193590291 82.9075094766526 1312543.63597051 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 15:01:02 2021-Apr-14 15:01
2055-Jan-19 10:24 00:02 Jupiter 1.77188913034095 1.7718881484167 1.77189011227024 2.6857211538504 2.50140579446348 2471651.933080059 1.80580627660388 247.993843344752 41.5139900852228 -84.950963403257 1909996.2679386 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 15:01:02 2021-Apr-14 15:01
2091-Jun-26 07:39 00:04 Jupiter 1.88828310292884 1.8882810677669 1.88828513811343 2.05099252413459 1.81918532561829 2484958.818713096 4.08607586898705 519.010025120825 97.9677857288591 76.4277617620455 1241120.54391299 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 15:01:02 2021-Apr-14 15:01
2136-Sep-09 21:32 00:06 Jupiter 1.9750311205464 1.97502808310747 1.97503415803664 3.38504346342037 3.25588520216019 2501470.397266478 5.72399656695169 577.483755772501 48.2325743871287 76.3908408333401 1200107.25405707 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 15:01:02 2021-Apr-14 15:01
2173-Jan-22 01:57 00:07 Jupiter 1.79719855302894 1.79719697884753 1.79720012731118 3.00182907537961 2.84048845183583 2514753.581443890 7.28888014964439 824.053703301182 29.1265473269616 86.7032356941748 1237946.08058684 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 15:01:02 2021-Apr-14 15:01

Alternate Designations
 2005 UK204 = 2010 UR39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-24 08:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin