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415029 (2011 UL21)
Classification: Apollo [NEO, PHA]          SPK-ID: 2415029
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6531701314428493 2.3723e-07  
a 2.122499152346553 4.5591e-08 AU
q .7361461020210188 5.1167e-07 AU
i 34.84752285867693 3.4998e-05 deg
node 275.608866178206 4.356e-05 deg
peri 284.7244017716413 3.6816e-05 deg
M 342.7069411013458 2.6032e-05 deg
tp 2457054.754908446796
(2015-Feb-01.25490845)
8.2987e-05 JED
period 1129.457035641435
3.09
3.6391e-05
9.963e-08
d
yr
n .3187372238515924 1.027e-08 deg/d
Q 3.508852202672087 7.537e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      9152 days (25.06 yr)  
   first obs. used      1989-10-29  
   last obs. used      2014-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5449  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-20 05:19:14  

Additional Information
 Earth MOID = .0208824 AU 
 T_jup = 3.245 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7 mag n/a MPO311355  

415029 (2011 UL21)          Discovered 2011-Oct-17 by CSS at Catalina (703)
Reference: Last Updated: 2014-11-10

[ 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
1915-Oct-30 00:32 < 00:01 Mars 0.0751057384588247 0.0750942353356978 0.0751172440388684 22.7142175962695 22.714049778908 2420800.522430778 0.39744537050838 868.690525367694 70.6361395538665 50.2074031513034 119582.580129581 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1919-Jan-13 19:03 < 00:01 Earth 0.255673611032532 0.255671739583508 0.255675483859515 24.5690410671131 24.5686168951158 2421972.293508632 0.279003385606142 1024.28602931755 51.1604385179973 84.4126626008931 677513.956718218 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1922-Jun-01 14:41 < 00:01 Earth 0.430097980548634 0.430078047761954 0.430117913490591 18.505589348971 18.5052545794114 2423207.111751315 0.490830706290581 828.833736120275 60.1775880526968 12.2601679548803 204974.701288087 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1925-Jul-04 20:25 < 00:01 Earth 0.162961997112414 0.162941819437033 0.162982174772625 28.4393951437265 28.4388202202372 2424336.350985314 0.472028668558928 963.517572202667 66.087579865454 8.19112470575477 54119.5820535805 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1950-Jan-02 08:08 < 00:01 Earth 0.417763779112273 0.417745969417415 0.417781589154238 32.3157207241118 32.315523359605 2433283.839014266 0.313478562055116 1048.98514553564 49.7008776216041 33.9485289251092 665379.124054464 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1953-Jan-18 15:59 < 00:01 Earth 0.363499801628358 0.363484852898203 0.36351475121976 19.8620635737724 19.8616945215324 2434396.165717093 0.122612018703496 927.929658894407 63.422955984524 -49.7935107949694 571936.911284065 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1956-Jun-16 01:43 < 00:01 Earth 0.204931770621382 0.204913253354655 0.204950288017611 21.3780993443323 21.3774911531055 2435640.571477388 0.455148982157284 793.497831109139 67.1786193230941 0.854237712292939 34766.593459301 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1959-Jul-14 15:09 < 00:01 Earth 0.354586138622275 0.354569570547263 0.354602706676488 33.0830639813343 33.0828368451276 2436764.131021414 0.360683752080751 806.442392994659 70.815139572953 1.28466586402172 64297.0053102452 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1984-Jan-05 18:21 < 00:01 Earth 0.363036996122012 0.363026471973872 0.363047520531163 30.2048595006353 30.2046165117557 2445705.264528750 0.201750542148776 692.744249915049 52.895788972761 42.467666977972 652514.206093602 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1987-Jan-19 13:45 < 00:01 Earth 0.419383720418938 0.419373330280695 0.419394110834609 18.9836647822169 18.9833301062239 2446815.073089603 0.0595272002740156 584.93891153138 69.9461968389927 -45.6754840141489 557062.001561758 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1990-Jun-21 17:27 < 00:01 Earth 0.0968445297340765 0.0968333841410386 0.0968556754062013 23.1793950166677 23.1782080287851 2448064.226795539 0.275701144072457 501.726455660267 73.5380637245506 -10.2294193060831 40556.3180433034 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
1993-Jul-19 06:26 < 00:01 Earth 0.474977027200599 0.47496796087029 0.474986093527542 35.9799920121278 35.9798361000964 2449187.767801641 0.18580095488571 446.160545196703 76.0743458027354 -0.780433044366915 152586.195119572 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2011-Sep-24 02:34 < 00:01 Mars 0.0767594710221451 0.0767571557724241 0.0767617863110013 24.1540734651218 24.1539190516389 2455828.607088240 0.0645483655531973 156.900255693957 70.7074735236548 -50.8353115526145 131296.638158796 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2018-Jan-10 12:15 < 00:01 Earth 0.281030838347609 0.281029402355926 0.281032274343706 26.4424875775473 26.4421290198803 2458129.010516919 0.100769833164239 152.091851358253 60.8156839615048 77.4444091143276 624167.321218493 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2024-Jun-27 20:16 < 00:01 Earth 0.0443956845963647 0.0443861526269251 0.0444052167030848 25.8822544641698 25.8799355271563 2460489.344203710 0.230506987540368 455.375260522262 57.6158781060132 15.6525409642276 31243.6932716442 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2052-Jan-15 00:36 < 00:01 Earth 0.279060714286378 0.279058585280039 0.279062844051219 23.2755227249427 23.2751125038009 2470551.525208170 0.14731773022771 703.907331575551 42.7782119183499 -84.8433989779702 876527.537276922 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2055-Jun-06 18:43 < 00:01 Earth 0.345452979913458 0.345439724135123 0.345466235780495 19.5236948941812 19.5232998316925 2471790.279669967 0.305564839090858 557.842657786737 32.3318218528582 12.1376628498473 302109.571571333 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2058-Jul-07 03:58 < 00:01 Earth 0.232811435687421 0.232797057703268 0.232825813658488 30.0315000568765 30.0311189614141 2472916.665497669 0.342828037457828 693.982485384949 39.5129922853367 7.11490684564389 112354.071809476 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2083-Jan-07 06:35 < 00:01 Earth 0.338012847260187 0.337992950694086 0.338032745812324 28.7430950886994 28.7428208380342 2481866.774462997 0.447106430799026 1556.75911301251 39.6868464941089 51.4321341361075 928877.449932463 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2086-Jan-18 14:05 < 00:01 Earth 0.476468935029504 0.476441883492958 0.476495987932926 18.4172925294162 18.4169888918093 2482974.087036951 0.108534324591897 1416.52909351622 52.4680803414016 -41.413201463703 769422.183431686 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2089-Jun-25 03:48 < 00:01 Earth 0.0178254653993586 0.0178170958340113 0.01783388582701 24.9568346239854 24.9508445236012 2484227.658163796 0.762370541325171 1426.76969894552 33.9915888241442 -74.6592647195507 68908.01272877 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2107-Aug-24 12:31 00:09 Mars 0.0977861971941087 0.0974241156866588 0.09814833973695 24.583083329686 24.582964234741 2490861.021601371 9.4914591362066 18166.7410358363 75.3091931350911 -12.5242770575954 41238.4826457475 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2117-Jan-11 12:37 00:10 Earth 0.29115588006808 0.290973625702173 0.291339837895663 25.9047581453518 25.9044048725435 2494289.025997237 10.3578580803469 33505.0985139841 41.8966537662745 73.6538661422404 916257.707288919 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2120-May-25 15:13 00:22 Earth 0.473156469635285 0.472376834938154 0.473936285153609 18.5954620269514 18.5951591932973 2495519.134115402 21.6559310622559 33470.3035994166 36.8053459590992 15.0273915982165 427558.159626703 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2123-Jul-01 02:36 00:20 Earth 0.0990211306665372 0.0981537588022028 0.0998885055544359 27.037529919213 27.0365346846366 2496650.608259812 20.431797885378 40836.8951090457 37.4202587746622 7.95587569415892 50489.1007118022 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2148-Jan-01 07:23 00:13 Earth 0.486633009786019 0.48595064946872 0.487315828497801 33.610221723805 33.6100588165347 2505600.807841633 13.0576384854244 40629.2316567789 40.1891560276745 34.1413361116493 964823.275471193 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2151-Jan-18 10:47 00:06 Earth 0.353507794907681 0.353012899604805 0.354004305121869 20.5674811056866 20.5671146376306 2506713.949326598 6.01124034950367 36967.1608377901 48.8894363515522 -57.4037482282986 801156.896125823 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2154-Jun-16 20:24 00:21 Earth 0.173611492006361 0.172759723942299 0.174463510029278 21.9387676764943 21.9380681106738 2507959.349853121 21.177303284824 36983.2550414225 31.5775731931632 -2.25250836724191 28625.8464349151 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2157-Jul-14 17:25 00:16 Earth 0.394276981783769 0.39350295763855 0.395050967825221 33.8366641886667 33.8364644672335 2509083.225918031 16.0433204368566 37784.9620545603 45.03265137276 -1.50871640719555 32646.0545746846 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2182-Jan-06 21:38 00:07 Earth 0.364030094440293 0.363763055363323 0.364297464326086 29.2203480782795 29.220097587615 2518025.401065669 6.6068726399831 20910.9763376478 41.0525057251209 51.1886633980214 965669.341176966 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2185-Jan-18 12:15 < 00:01 Earth 0.457559021289714 0.457249414613637 0.457868834337443 18.7980603353706 18.79775055366 2519133.010693516 0.203959964802573 16823.7978325272 54.1512663925648 -43.2699426141967 745207.603417139 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
2188-Jun-22 07:33 00:09 Earth 0.0538844230708446 0.0535241454278257 0.0542448913859247 24.0625070647311 24.0604519939192 2520383.814882776 9.0937416512069 16700.0391532818 33.986972025081 -14.2360265672008 52742.9581745116 T 30 CATAB v2.0c-linF95 2014-Nov-20 05:19:16 2014-Nov-20 05:19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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