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 ]  
154629 (2003 UM263)
Classification: Outer Main-belt Asteroid          SPK-ID: 2154629
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608369830047473 6.4542e-08  
a 3.953739170784609 4.1858e-08 au
q 3.317831690967921 2.4619e-07 au
i 9.410624332160451 6.8724e-06 deg
node 175.7703974394628 3.4406e-05 deg
peri 204.9580494394601 3.8452e-05 deg
M 46.58491039818336 1.5468e-05 deg
tp 2458628.919244242961
(2019-May-25.41924424)
0.00012277 TDB
period 2871.510773105418
7.86
4.5601e-05
1.248e-07
d
yr
n .1253695453180122 1.9909e-09 deg/d
Q 4.589646650601297 4.859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63069  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:33:20  

Additional Information
 Earth MOID = 2.32323 au 
 Jupiter MOID = .89071 au 
 T_jup = 3.014 
[ 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 MPO454004  

154629 (2003 UM263)          Discovered 2003-Oct-27 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ 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
1918-Jan-25 11:21 00:04 Jupiter 1.70239848457673 1.70239769665089 1.70239927250247 3.71610837677218 3.57971623746889 2421618.972870787 4.36428868617351 144.277970127282 31.9835402644277 85.1053784067586 1746756.34450144 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
1941-Jul-07 06:47 00:04 Jupiter 1.69073319349429 1.69073244146077 1.69073394552782 3.90282489206337 3.77227826656498 2430182.782534556 3.88573921073283 158.121670642645 31.6921400079149 84.5914725910364 1933284.77287367 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
1964-Dec-06 09:56 00:03 Jupiter 1.68275354623135 1.682752795629 1.68275429683389 4.11913903860857 3.99507150062843 2438735.913949922 2.94090776800447 145.207774101283 32.5571189241622 84.83713227271 2092217.69674066 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
1988-Apr-25 11:12 00:02 Jupiter 1.66172412493218 1.66172338085277 1.66172486901159 4.31070645809279 4.19079228114501 2447276.966623410 1.67497930799589 102.99038792984 33.5899506472396 86.8088581691132 2191896.12772022 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
2011-Sep-13 16:55 < 00:01 Jupiter 1.64250194580049 1.64250119013625 1.64250270146462 4.45646084016119 4.33920066174631 2455818.205052886 0.388935487744105 50.0861062837579 34.6838652548494 -89.8727001352097 2241340.36098685 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
2035-Feb-03 11:54 00:01 Jupiter 1.62869966805945 1.62869886953488 1.62870046658411 4.54802781648272 4.43220439879978 2464361.995736415 1.08339999496072 80.0610250052542 34.2384115397795 78.4980858251864 2303608.21530678 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
2058-Jul-02 11:13 00:02 Jupiter 1.6169682319016 1.61696739549857 1.61696906830574 4.57749907864546 4.46159504389449 2472911.967634992 2.12567924830211 147.160725255456 33.670042281708 82.2095632555703 2325975.86567217 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
2081-Dec-10 08:22 00:03 Jupiter 1.60879013684694 1.60878927429072 1.6087909994058 4.55076861270875 4.43356535904933 2481473.848795733 2.87528768519032 199.426889694448 33.3445627771407 83.8349448464574 2302704.6253602 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
2105-May-28 01:04 00:03 Jupiter 1.61435372875783 1.61435287666498 1.61435458085371 4.50663785481127 4.38866956382752 2490042.544372899 3.33508422872178 229.900234384261 33.9051139561487 85.5734789441408 2243233.88888034 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
2128-Nov-19 19:01 00:04 Jupiter 1.61374574034204 1.61374488282628 1.61374659785991 4.42218630899073 4.3018568296949 2498619.292081856 3.62627556701657 246.239621841877 35.8163721584443 87.1302656511659 2117857.22989548 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
2152-May-16 07:06 00:04 Jupiter 1.62532297082871 1.6253221001924 1.62532384146594 4.33348417227296 4.21150839676396 2507197.795778342 3.88014847880649 254.243963274696 38.0828039427829 88.8339412508125 2009745.19045201 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
2175-Nov-07 18:55 00:04 Jupiter 1.64384348114412 1.64384261807295 1.64384434421529 4.22744828426005 4.10375192545372 2515773.288336421 4.18764673770522 257.336584238906 38.6285864307869 -89.1676891328919 1970301.69726449 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
2199-Apr-25 03:29 00:05 Jupiter 1.65542995921999 1.65542915261515 1.65543076582474 4.0755501049846 3.94800992251138 2524342.644918414 4.52160859292023 253.896166115398 35.6572351418358 -87.5240606504213 2008120.71311367 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:25 2020-Feb-24 09:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-25 18:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin