Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
1915 Quetzalcoatl (1953 EA)
Classification: Amor [NEO]          SPK-ID: 2001915
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5705056612314936 1.3838e-07  
a 2.544735725573788 4.365e-08 AU
q 1.09294958779591 3.6313e-07 AU
i 20.39797150790466 4.2452e-05 deg
node 162.9638882781119 4.2149e-05 deg
peri 347.8221676985404 5.7488e-05 deg
M 81.26133104559435 7.3158e-05 deg
tp 2456465.809112471781
(2013-Jun-22.30911247)
0.00029275 JED
period 1482.731306020016
4.06
3.815e-05
1.044e-07
d
yr
n .2427951703308409 6.247e-09 deg/d
Q 3.996521863351667 6.8552e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      42  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      18842 days (51.59 yr)  
   first obs. used      1953-03-09  
   last obs. used      2004-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .926  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 09:16:44  

Additional Information
 Earth MOID = .109026 AU 
 T_jup = 3.121 
[ 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 18.97 mag n/a PDS3 (MPC 17263)  
magnitude slope G 0.10   n/a PDS3 (MPC 17263) Fit
diameter diameter 0.5 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
rotation period rot_per 4.9 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Binzel, R.P.; Tholen, D.J. (1983) Icarus 55, 495-497.]
geometric albedo albedo 0.21   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
B-V BV .784 mag .065 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=9.12, mean=25.63, max.=42.13) deg.
U-B UB .430 mag .030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=9.12 deg.
Tholen spectral type spec_T SMU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

1915 Quetzalcoatl (1953 EA)          Discovered 1953-Mar-09 by Wilson, A. G. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1906-Mar-06 00:34 00:01 Earth 0.0253298892716763 0.0253228701301167 0.0253369269528484 15.1209565706767 15.1139983253588 2417275.523940753 1.26946694449918 920.784997609836 26.5664154218248 -71.9594641951741 108973.973673023 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1927-May-03 18:59 < 00:01 Jupiter 1.97941236864721 1.97940858753043 1.97941614976811 8.32365216793798 8.27208275569748 2425004.290966795 0.465941800287506 30.2838672327795 24.1554885646119 48.8470048478091 1557505.91974259 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1939-Mar-02 11:12 < 00:01 Jupiter 1.78357772517928 1.78357233089315 1.78358311945685 7.58242115556433 7.51952850581621 2429324.966478472 0.473330501162565 47.4877595369617 20.0591724069462 19.3471579806361 869711.959088412 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1949-Mar-18 14:44 < 00:01 Earth 0.181766238858389 0.181765190109136 0.181767287607556 16.3844055937247 16.3835108878199 2432994.113973150 0.0905548681059646 44.6720231185491 19.881255947226 10.1615269543812 533935.109350117 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1951-Jan-10 05:45 < 00:01 Jupiter 1.75777197819069 1.75776514094852 1.75777881542379 7.48187819504041 7.41719325034746 2433656.739713205 0.456275254164844 64.5523209067974 19.7794644098423 14.5205912619932 642331.88320631 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1953-Mar-04 06:06 < 00:01 Earth 0.0532987731687989 0.0532980891790028 0.0532994571593216 13.9382494575245 13.934662363182 2434440.754510826 0.058733727916006 31.1254453863924 19.9947226572392 -39.8349610079107 251578.927818993 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1957-Feb-23 12:39 < 00:01 Earth 0.0935771770990086 0.0935755621936884 0.0935787920021518 13.6629638381531 13.6608796802333 2435893.026754644 0.0669500538955486 66.086535955062 30.1241945138087 -6.45641918716905 167972.264633064 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1961-Feb-10 22:21 < 00:01 Earth 0.227496609005412 0.227493991148239 0.227499226859414 14.73539456199 14.7345997079729 2437341.431099534 0.0835504749348295 117.633176642666 38.9379132538589 8.20529378880849 249053.839629153 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1962-Dec-07 01:55 < 00:01 Jupiter 1.91967454121707 1.91966642990818 1.91968265250152 7.98263119117897 7.92716443801617 2438005.579552568 0.390911744675391 83.9488684620285 23.5483863736109 9.95433746378584 527215.17489477 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1965-Feb-11 07:47 < 00:01 Earth 0.24986550781132 0.249862941480212 0.249868074138649 14.6513313210437 14.650603474631 2438802.824033284 0.0719030932099518 115.934030250535 39.1332342533847 5.46944384104428 265476.932019698 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1969-Feb-13 09:02 < 00:01 Earth 0.224171404500489 0.22416884129088 0.224173967706296 14.3345854343124 14.3337562337883 2440265.876202643 0.0739672668149633 113.063067297736 38.1519483505125 3.10486982493009 236779.40922819 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1973-Feb-13 00:36 < 00:01 Earth 0.230852392602073 0.23084999747245 0.230854787729004 14.368541289808 14.367737990419 2441726.525145214 0.0736676203994041 106.436041248477 38.6608340972321 3.25131055970683 259040.104630531 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1977-Feb-20 20:33 < 00:01 Earth 0.155344822357297 0.155343366213346 0.155346278499739 13.2874303493067 13.2861394401842 2443195.356419255 0.0609963063872583 62.4037876429898 35.2568775253028 -6.58630552132183 289225.46354956 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1981-Mar-02 04:12 < 00:01 Earth 0.0832053205801878 0.0832044413353155 0.0832061998249027 13.307929280352 13.3055227572035 2444665.675190113 0.0605532475830959 40.6939194406982 32.3745459144879 54.1405329316707 275431.300503673 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1985-Mar-09 17:39 < 00:01 Earth 0.150742664140882 0.150740736923205 0.150744591359728 14.3769488712952 14.3757193727688 2446134.235406599 0.0771724624270291 81.344642610895 26.5563671347045 15.9480258661844 279835.204267852 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
1989-Mar-20 22:14 < 00:01 Earth 0.346155526329808 0.346152021567501 0.346159031089164 17.7137115693471 17.7132770222576 2447606.426075212 0.083637300146227 156.698096330441 26.8167611933924 0.22196729879734 279757.45689141 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2058-Feb-07 18:14 < 00:01 Earth 0.364724361417992 0.364689331504511 0.364759390964596 15.8544124643478 15.8539516736079 2472767.259588987 0.813909285194284 1576.4877939276 42.1791411686995 -1.18796780326326 35724.5099852265 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2062-Feb-24 00:44 00:01 Earth 0.133960727558433 0.133934715913443 0.133986743073335 13.0148046654531 13.0132763158605 2474244.530666780 1.21069127065019 1325.38692862495 35.313477078384 -41.3043498167325 284502.511469695 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2066-Mar-12 02:53 00:01 Earth 0.200248631795353 0.200214565006765 0.200282698938231 14.8783009707695 14.8774066310634 2475721.620019385 1.02472113664568 1535.96640903361 28.4028502109757 20.2001052628977 291650.819127409 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2070-Mar-26 14:16 < 00:01 Earth 0.412414627379318 0.412378174185238 0.412451080338528 19.5196096208876 19.519278633953 2477197.094103653 0.712975579880703 1720.50547761464 26.9604806513651 -0.0245443193077308 31147.2233896044 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2092-Sep-17 11:56 < 00:01 Jupiter 1.89096984182036 1.89096565598781 1.89097402765355 8.4981564225351 8.44528283508387 2485407.997450802 0.596134370161067 30.8708693491606 17.4328176929384 22.0145552015283 1475623.76931924 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2104-Aug-20 15:41 < 00:01 Jupiter 1.74248527966492 1.74248257497946 1.74248798434991 8.04256451587313 7.98189473172542 2489762.153196093 0.5412671786547 26.2274982199741 12.0056755520626 -64.8392916242175 2689248.69530712 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2110-Mar-21 08:42 < 00:01 Earth 0.216562697964442 0.216549726408902 0.216575669456424 16.8451019421421 16.8443715359009 2491800.862175314 0.390383817529907 575.711055245477 15.860480947796 -3.86687958547634 123694.956231095 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2114-Feb-25 11:36 < 00:01 Earth 0.0778977889170917 0.077888957297159 0.077906620792484 14.084871517282 14.0824428289787 2493237.983036635 0.495868367339483 383.75189263756 27.065627452024 -26.5617598164479 152265.837264754 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2116-Jul-03 07:02 < 00:01 Jupiter 1.74777823179541 1.74777176527678 1.74778469830744 8.10518561576903 8.04517107236073 2494096.793352627 0.418199612900642 66.7129302471818 17.6565009772315 -24.8180009333239 963969.809685206 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2118-Jan-24 14:21 < 00:01 Earth 0.391089216522575 0.391083003684785 0.39109542936866 19.0292916089298 19.028933580116 2494667.097671316 0.28589828914749 313.827529377221 45.4834693401177 20.065666936992 409595.403745783 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2128-Apr-24 06:59 < 00:01 Jupiter 1.9270892231858 1.92707851582541 1.92709993050707 8.76822306491659 8.71795081349262 2498409.791051481 0.342730451306528 134.925063643582 19.3714416361551 -15.7417818890606 657895.150147876 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2153-Mar-14 22:19 00:01 Earth 0.101267526600278 0.101245331478241 0.101289721943387 16.1260430901261 16.1244114051667 2507500.429717949 1.09652008980126 978.05613307548 32.7218429159004 -16.722449866023 110084.117434654 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
2180-Apr-01 03:05 < 00:01 Earth 0.271987561075544 0.271982349366292 0.271992772799538 19.2900670524722 19.2895592026629 2517379.628418994 0.199336181173934 260.688619788087 24.3033530781663 -24.127827412651 605052.930194921 T 9 CATAB v2.0c-linF95 2013-Aug-05 09:16:51 2013-Aug-05 09:16
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-25 02:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin