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 ]  
137802 (1999 YT)
Classification: Amor [NEO]          SPK-ID: 2137802
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 110 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3519139639468749 3.222e-08  
a 1.776593945507492 4.1481e-09 au
q 1.151385727819932 5.7753e-08 au
i 31.5850124694813 8.7419e-06 deg
node 116.4246823258718 7.0273e-06 deg
peri 272.6108154290743 1.4807e-05 deg
M 268.0423918246063 1.5662e-05 deg
tp 2459221.435680766390
(2021-Jan-06.93568077)
3.8197e-05 TDB
period 864.9294675454956
2.37
3.0292e-06
8.293e-09
d
yr
n .4162189097587473 1.4577e-09 deg/d
Q 2.401802163195052 5.6078e-09 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      23980 days (65.65 yr)  
   first obs. used      1954-12-21  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-16 05:58:22  

Additional Information
 Earth MOID = .437355 au 
 Jupiter MOID = 3.4196 au 
 T_jup = 3.861 
[ 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 17.0   n/a MPO469451  

137802 (1999 YT)          Discovered 1999-Dec-16 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ 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
1909-Dec-31 23:12 < 00:01 Earth 0.491108145532178 0.491105816631965 0.491110474652372 15.9372068442644 15.9368664144026 2418672.466780934 0.225236812450275 536.011447832827 15.9357231006981 -77.6010353716986 4114094.39614773 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
1916-Aug-09 16:13 < 00:01 Earth 0.442244382715056 0.44224406191873 0.442244703531543 16.0841264402691 16.0837518490349 2421085.175842891 0.157193010627903 306.772677159621 13.9797631349479 -88.5455911203549 3984728.87332668 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
1935-Dec-27 11:38 < 00:01 Earth 0.438763132207064 0.438762827948114 0.438763436478583 16.6756927691578 16.6753286000639 2428163.985042523 0.122061681857599 359.880471725273 14.3447940398163 89.2127215283715 3910794.93180757 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
1947-Dec-19 21:57 < 00:01 Mars 0.0633754019655405 0.06337432659685 0.0633764774764494 14.3392754959892 14.338960457931 2432539.414528104 0.294513196810157 168.530407240318 18.7312645720174 -72.5409215445852 480905.69830462 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
1961-Aug-11 04:42 < 00:01 Earth 0.446071636712766 0.446071115011197 0.446072158426481 16.5591408871704 16.558780163471 2437522.695568984 0.0836341544803333 144.301513419272 14.9678745599054 81.4745392322176 3734302.55607985 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
1961-Dec-24 07:43 < 00:01 Earth 0.4998436874125 0.499842367284686 0.499845007559832 18.7025371941465 18.7022521704769 2437657.821848916 0.0724614546182439 174.381107147339 17.2596930486184 68.525317622893 3466891.46863365 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
1980-Dec-28 04:47 < 00:01 Earth 0.443517643445831 0.443517302519488 0.443517984376862 16.3233514979483 16.3229834562558 2444601.699346515 0.0652489852305881 140.075089998496 14.5372159381848 -86.3725468777245 3976057.70186433 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
1987-Aug-07 05:44 < 00:01 Earth 0.477534164855152 0.477533729678882 0.477534600033892 15.5177843883208 15.5174248185057 2447014.738922526 0.0608579225530104 75.0074116172687 14.2063245648745 -77.1304592142238 4331131.76336932 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2006-Aug-12 07:37 < 00:01 Earth 0.459769950499954 0.459769618182325 0.459770282817608 17.0894008591567 17.0890617424036 2453959.817471014 0.0590582106455965 36.3035986468193 16.212899918913 83.9442771866156 3656170.43427961 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2006-Dec-25 04:35 < 00:01 Earth 0.468045237729291 0.468044962944054 0.468045512514581 17.9695635738352 17.9692467697123 2454094.690897469 0.0585112110893057 48.8011256468376 13.4904287929255 87.0680400674286 4157219.25345294 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2011-Nov-24 07:26 < 00:01 Mars 0.0856407586607969 0.0856404178448974 0.085641099478444 13.7306433397211 13.7303998735393 2455889.809706592 0.0668771381612947 28.1614466173444 8.70825131308122 56.9783434314028 1232417.90908705 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2025-Dec-29 23:30 < 00:01 Earth 0.45775940177818 0.45775885567937 0.457759947884146 16.1089421426091 16.1085808051944 2461039.479275902 0.0431297769865753 107.226126405832 13.3860082216707 -77.1199035447424 4307523.85735578 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2032-Aug-08 03:59 < 00:01 Earth 0.4580761971795 0.45807562309607 0.458076771267721 15.71892511065 15.7185550636407 2463452.665844863 0.0480159713164914 86.877742577059 12.3577735398157 -72.5251686958351 4474914.67832483 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2051-Aug-13 05:09 < 00:01 Earth 0.486557842733971 0.486556921873679 0.486558763606763 17.8540672461565 17.853760524498 2470396.714354654 0.0614708891674805 137.761718911021 14.8236232724459 71.4994391464904 3810887.74642595 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2051-Dec-26 09:14 < 00:01 Earth 0.445369883216305 0.445369385481396 0.445370380977899 17.2686643540694 17.2683179068189 2470531.884388964 0.0594882626638557 210.268527155309 14.086955608544 84.4104177343389 3872800.55561138 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2071-Jan-01 03:39 < 00:01 Earth 0.483487548472912 0.483485973318757 0.48348912370053 15.9700430629428 15.9696979782719 2477477.651840270 0.119869807171574 312.922421260224 15.2072263543015 -75.7260355761724 4121402.14190562 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2077-Aug-09 23:31 < 00:01 Earth 0.447930407488988 0.447929862951171 0.447930952058556 16.0153626945509 16.01499127046 2479890.479774915 0.0944057916375867 216.747396716168 13.1689254158301 -83.6977988736047 4229521.96519929 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2096-Dec-26 19:38 < 00:01 Earth 0.435168832124129 0.435168556067946 0.435169108183305 16.7522585354877 16.7518930366963 2486969.318356004 0.110589916375134 426.214095494132 13.6427825112918 89.7534382849297 3971441.62557359 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2122-Aug-12 12:49 < 00:01 Earth 0.449736810321081 0.449736347594412 0.449737273109541 16.4549959066415 16.4546358582342 2496328.034361885 0.117378690558604 330.298772104993 13.9119448692957 86.8023339616553 4013312.39630425 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2141-Dec-29 12:30 < 00:01 Earth 0.438092244938806 0.438091136163851 0.438093354057094 16.3842517440313 16.3838805293884 2503407.020582318 0.18425178973688 633.070722373648 13.495005964666 -85.1394503464605 4087756.72284856 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2148-Aug-07 12:18 < 00:01 Earth 0.483948396640478 0.483945794196145 0.483950999209511 15.5054792631427 15.5051241775269 2505820.012297931 0.23242544105462 410.267439528028 12.566066659542 -71.640062055292 4750894.20230936 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2149-Mar-21 06:51 < 00:01 Mars 0.0898024483619871 0.0897979684254373 0.0898069285318717 14.6473565399176 14.647138888258 2506045.785231756 0.642082423499129 320.144512522512 21.3105341401484 -45.8789097475727 451309.136500703 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2167-Aug-13 19:11 < 00:01 Earth 0.463166680660816 0.463164962138106 0.463168399330462 16.9813525841469 16.9810138124653 2512765.299305636 0.117062301708012 426.088966270365 14.5023949251768 78.5603514017069 3879408.04607202 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2167-Dec-26 17:19 < 00:01 Earth 0.46814868342185 0.468145642099334 0.468151725019392 18.0888932231795 18.0885785785435 2512900.221631075 0.0930952657771034 588.75772400411 15.7048993770922 75.1492442210671 3601002.83927612 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2186-Dec-31 04:25 < 00:01 Earth 0.45103007131535 0.451027666832488 0.451032476347226 16.1507738971242 16.1504081184015 2519844.683766312 0.260227538559875 799.106029990122 13.9188317922585 -81.4268308005609 4123463.69600557 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
2193-Aug-09 07:03 < 00:01 Earth 0.465788397675452 0.465786112620362 0.46579068293264 15.6521882181113 15.6518227464571 2522257.793484467 0.265173520341885 500.160852554693 13.0331470326719 -76.9138947734353 4490180.65537972 T 110 CATAB v2.0f-lin.ifort 2020-Aug-16 05:58:40 2020-Aug-16 05:59
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-26 09:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin