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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
29075 (1950 DA)
Classification: Apollo [NEO, PHA]          SPK-ID: 2029075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 206 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5077372548939224 2.2486e-08  
a 1.698632072291711 1.1639e-09 au
q .8361732868315429 3.8596e-08 au
i 12.16791453193844 4.2884e-06 deg
node 356.6535303030455 6.9946e-06 deg
peri 224.6921473406103 8.3322e-06 deg
M 47.17753073899871 2.6444e-06 deg
tp 2459290.530688625928
(2021-Mar-17.03068863)
5.8432e-06 TDB
period 808.6254515039872
2.21
8.3113e-07
2.276e-09
d
yr
n .4451999369181677 4.5759e-10 deg/d
Q 2.561090857751879 1.7549e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -6.797704731828811E-15 1.241E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      840  
   # delay obs. used      8  
   # Doppler obs. used      4  
   data-arc span      26136 days (71.56 yr)  
   first obs. used      1950-02-23  
   last obs. used      2021-09-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-15 05:49:44  

Additional Information
 Earth MOID = .0395266 au 
 Jupiter MOID = 2.48146 au 
 T_jup = 4.026 
[ 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 17.19   n/a MPO636489  
diameter diameter 2.000 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 2.1216 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2001) http://www.asu.cas.cz/~ppravec/neo.htm]
[Busch, M.W.; Giorgini, J.D.; Ostro, S.J.; Benner, L.A.M.; et al. (2007) Icarus 190, 608-621.]
geometric albedo albedo 0.070   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

29075 (1950 DA)          Discovered 1950-Feb-22 by Wirtanen, C. A. at Mt. Hamilton
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ 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
1910-Jul-17 03:53 < 00:01 Earth 0.246868366431171 0.246867333992406 0.24686939888164 16.567993920015 16.5673424633594 2418869.661712219 0.176907909023055 100.597814483739 9.98747907117227 59.7007777101359 2949701.02285236 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
1919-Mar-02 00:48 < 00:01 Earth 0.0836503087296924 0.0836484567420347 0.0836521607330463 15.6997057585875 15.6976767617962 2422019.533535798 0.252362626497345 108.651421646803 5.24302963819205 -31.8359663337824 1194447.88475449 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
1930-May-19 12:00 < 00:01 Earth 0.236780872538572 0.236780686191002 0.236781058887745 11.3348141566764 11.3338213370434 2426115.999690368 0.573746476820454 52.2251142260008 7.43770190715701 83.8113865729317 3627340.2867717 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
1939-Feb-07 18:38 < 00:01 Earth 0.449419457022393 0.449418166695898 0.449420747348914 26.3473999074934 26.3471748857022 2429302.276712634 0.101979230737602 64.5936803695851 6.65494377694453 -5.07844061907362 1267782.35445895 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
1941-Jul-25 10:35 < 00:01 Earth 0.340032637674535 0.340031623366909 0.340033651983863 20.6748272373958 20.6744482246247 2430200.941168185 0.0958385444585793 63.7158458679762 9.94397264020603 38.0034074113834 2927322.30756738 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
1950-Mar-12 23:36 < 00:01 Earth 0.0592865733774168 0.0592859988128723 0.0592871479482869 12.9729969623158 12.9695321980705 2433353.483242756 0.146156234766345 42.3126519218726 5.54408887373595 47.9204399594011 1184248.95261536 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
1961-Jun-29 14:05 < 00:01 Earth 0.21500855225117 0.215008326164448 0.215008778338112 11.0904637984366 11.0893463466525 2437480.086731077 0.146061633452656 31.0686724167952 10.4357400019315 -81.6117731998261 3137376.18692263 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
1970-Feb-18 19:12 < 00:01 Earth 0.243968366678062 0.243967811565305 0.243968921790972 20.4005481043213 20.4000127482888 2440636.300137728 0.0371879327158858 29.343756650321 4.55616374088101 -19.629460538779 2730803.9499747 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
1981-Apr-22 01:27 < 00:01 Earth 0.207258624757887 0.207258409366186 0.207258840149707 11.7844316886316 11.7833407226598 2444716.560683934 0.100933431263266 13.7211629696461 4.62192381240107 41.3754490894537 3823823.91039512 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
1992-Jul-19 03:37 < 00:01 Earth 0.257981446277658 0.257981215605347 0.25798167694997 17.3117949499824 17.3111983417143 2448822.650846275 0.0194497741249404 11.9031198158349 9.10455272638038 23.5391214243229 3178029.13305589 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2001-Mar-05 01:23 < 00:01 Earth 0.0520726315944708 0.0520726295899754 0.0520726335989662 14.7320855487906 14.7286118688343 2451973.557742999 0.00176610250514274 9.34661970551777 0.0999829447852711 89.9932382902404 31729379.9238466 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2012-May-20 16:10 < 00:01 Earth 0.23903722436347 0.239037068552272 0.239037380174667 11.2805438656703 11.2795556862536 2456068.173312279 0.0583671526541114 10.223691951091 7.76798802573563 88.9954220836674 3539505.6104082 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2021-Feb-05 10:48 < 00:01 Earth 0.49450561064212 0.494505475892045 0.494505745392195 27.7477547144268 27.7475605298172 2459250.949753344 0.0244160705359645 7.9010341128433 5.81335151860889 -50.9679586273686 10327815.5375241 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2023-Jul-22 21:26 < 00:01 Earth 0.283418127345431 0.283417836959154 0.283418417731998 18.585876564454 18.5853707309471 2460148.392818305 0.0228097739174739 23.1653814398345 8.83117578466647 57.5999113986487 3971584.86240864 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2032-Mar-02 06:44 < 00:01 Earth 0.07575238986991 0.0757520571581392 0.0757527225818789 15.580349615247 15.5780918941724 2463293.780585418 0.0521516855071343 17.7999383379098 5.07781073535851 -22.2150308509293 976001.409765189 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2043-Apr-29 00:54 < 00:01 Earth 0.218988066016178 0.218987933518017 0.2189881985147 11.7437522974457 11.7427161914551 2467368.537210162 0.166888841695292 18.6224139584436 3.90550401281923 72.9801064747938 6272634.50184243 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2054-Jul-12 06:55 < 00:01 Earth 0.206812241600677 0.206812034892199 0.206812448309636 13.7463406515019 13.7454033834388 2471460.788042733 0.0886029938358789 43.5451879795902 9.57887159339373 84.8612890077211 3113991.64900246 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2063-Feb-17 10:31 < 00:01 Earth 0.282252953318657 0.282252108603296 0.282253798034034 21.5639015637062 21.5634637887334 2474602.938148056 0.0823682788698406 42.2295796521833 5.42060729058176 -4.12760747901047 1052540.36797537 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2065-Aug-02 11:51 < 00:01 Earth 0.448152065539036 0.44815109846616 0.448153032612498 24.5071633612251 24.5069207582858 2475499.994032959 0.0711440422638721 54.7459689275879 9.26961200125566 28.7058631456808 3361926.03861918 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2074-Mar-19 22:19 < 00:01 Earth 0.0954591563044755 0.0954582996109012 0.0954600130024558 12.0902114594789 12.0879025742821 2478651.429572508 0.244956598977571 53.6817451440618 4.40163586248948 37.4118575106515 1960623.42129116 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2085-Jun-12 01:25 < 00:01 Earth 0.232195371555263 0.232194993631787 0.232195749482898 10.283859743939 10.282743841526 2482753.559204505 0.559647142578788 60.7876140847733 10.0023319254251 -74.5544524266444 3033778.86595385 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2094-Feb-09 11:44 < 00:01 Earth 0.427745925450978 0.42774470331133 0.427747147590626 25.8377681868234 25.8375270999836 2485917.988771281 0.106797818464101 60.9713032485971 5.58625031915336 -1.76606021575544 1023950.91743008 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2096-Jul-27 01:22 < 00:01 Earth 0.33802316638087 0.33802200911426 0.338024323649748 20.8004534929413 20.800074529737 2486816.556670191 0.102941773872373 72.635604999797 9.31370578707667 37.7598527504039 3088563.83607366 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2105-Mar-10 01:40 < 00:01 Earth 0.0363158416339451 0.0363157000406459 0.0363159832536222 13.8033810187688 13.7980646584315 2489963.569121173 0.194477920641972 63.9203271679296 4.51880731750743 85.115251386735 1179707.24375065 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2116-May-29 22:19 00:02 Earth 0.239158649288617 0.239158270421976 0.239159028192996 10.8756873993615 10.8746629511617 2494062.430147148 1.99539541335116 170.073715098893 8.74238475140918 -84.3458323910268 3243324.8171168 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2125-Feb-09 15:26 < 00:01 Earth 0.444057974948159 0.444049479934872 0.444066469962532 26.3149827857489 26.3147547665193 2497240.143185619 0.636699760179159 425.013240922038 5.49604958332943 -4.66033893131949 921150.174913438 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2127-Jul-28 01:07 < 00:01 Earth 0.32125811134857 0.321250746971003 0.321265475834044 20.2085886105385 20.2081781922716 2498138.546463717 0.708645735176382 470.237726269113 9.24550293813737 38.6624898527821 2960082.21922718 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2136-Mar-11 20:43 00:02 Earth 0.0425937902103393 0.0425871768627885 0.0426004058835344 13.3556649907547 13.3509803453222 2501288.363226225 1.86166320402821 596.023351022686 4.4326896575402 56.3983825708617 1191303.25642156 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2147-Jun-28 00:08 00:09 Earth 0.218746441328289 0.218738188239747 0.218754697563192 10.3602376796677 10.3590618990786 2505413.505517929 9.14422100742822 1371.89249294111 10.1319403918011 -72.5402070269991 3332590.19871647 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2156-Feb-19 06:18 00:03 Earth 0.281650948034127 0.281613542963972 0.281688353198774 21.6109718471275 21.6105340920014 2508571.762728394 2.99603657758445 1882.89798904849 5.06039312788211 -7.85893267501429 1050464.322295 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2158-Aug-05 20:33 00:03 Earth 0.467759795902273 0.467724993916846 0.467794598401427 25.2517806863674 25.2515551069885 2509470.356302754 2.73847554293911 1899.82462758909 9.18711334467293 24.0112288312692 2846560.45673249 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2167-Apr-20 03:03 00:14 Earth 0.200660127751394 0.200638900974179 0.200681358732812 11.585657630721 11.5845114527295 2512649.626884789 13.8013881864514 1794.05263507111 4.75957676521733 53.8397768150691 4054479.5659667 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2178-Jul-23 07:38 00:04 Earth 0.251950326488627 0.251919448189901 0.251981211086848 17.5273030135101 17.5266996350367 2516761.818188095 4.21996145508068 2513.62813771125 9.10838408938777 52.222407563772 2991802.34971634 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2187-Mar-08 23:07 00:07 Earth 0.0352302105193131 0.0352119179860456 0.0352485646270079 14.2986238043558 14.293333468695 2519912.463275847 6.49200267668503 2496.22835035201 4.47725903079406 -68.5316628762717 1069995.90785159 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49
2198-Jun-07 01:57 01:05 Earth 0.236825908259819 0.236801835263686 0.236850035063557 10.4697314058129 10.4686567487571 2524020.580931270 64.615984728298 5756.42785983518 9.45132008811386 -77.9548352133528 3107421.37706243 T 206 CATAB v2.0g-lin.ifort 2021-Sep-15 05:49:56 2021-Sep-15 05:49

Alternate Designations
 1950 DA = 2000 YK66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 10:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin