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 ]  
3691 Bede (1982 FT)
Classification: Amor [NEO]          SPK-ID: 2003691
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 516 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2841953771560932 2.7212e-08  
a 1.774496548678396 3.1349e-09 au
q 1.270192832764554 4.7745e-08 au
i 20.35824120192751 5.1235e-06 deg
node 348.7467994723451 7.122e-06 deg
peri 234.9702631004971 1.0922e-05 deg
M 37.97432955183876 8.3188e-06 deg
tp 2458909.425083947777
(2020-Feb-29.92508395)
1.9867e-05 TDB
period 863.398252602267
2.36
2.2879e-06
6.264e-09
d
yr
n .4169570634582204 1.1049e-09 deg/d
Q 2.278800264592239 4.0258e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2850  
   data-arc span      16653 days (45.59 yr)  
   first obs. used      1975-06-09  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38844  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-12 05:24:30  

Additional Information
 Earth MOID = .35162 au 
 Jupiter MOID = 2.83026 au 
 T_jup = 3.982 
[ 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 14.7   n/a MPO337281  
diameter diameter 4.3 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed medium albedo (0.15)
rotation period rot_per 226.8 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
[Pravec, P.; et al. (2005) Icarus 173, 108-131.]
geometric albedo albedo 0.515   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3691 Bede           Discovered 1982 Mar. 29 by L. E. Gonzalez at Cerro El Roble.
The Venerable Bede (c. 672-735), the "Father of English History" who popularized the A.D. reckoning of years, compiled a history of England since the time of Caesar. The name follows a suggestion by B. Hafferty in the BBC Word of Mouth competition in this centenary year of St. Bede's School, Bradford, West Yorkshire.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ 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
1904-Mar-29 14:40 < 00:01 Earth 0.348261830777005 0.348261548845217 0.348262112784989 10.5318574534773 10.5311309854851 2416569.111308828 0.293659285277706 342.907367861777 9.30385070114195 -88.2373242844119 4069284.83638749 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
1930-Apr-01 00:02 < 00:01 Earth 0.350455479733105 0.350455180669879 0.350455778840437 10.5848018442385 10.5840835349109 2426067.501083079 0.218392691599127 251.403864415564 9.31184109037197 87.342579241582 3980520.2164445 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
1956-Apr-01 21:47 < 00:01 Earth 0.354625402545515 0.354625006405644 0.35462579871016 10.6376734895104 10.6369671552409 2435565.407586409 0.152427604434803 169.083900390526 9.3750147132074 84.0887902801794 3910046.27483724 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
1982-Apr-03 06:33 < 00:01 Earth 0.358247394416716 0.35824709528578 0.358247693553416 10.66775356223 10.6670563411095 2445062.772655691 0.0890559043573703 93.0403608155495 9.31838985218189 82.7723763365679 3877359.31045401 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2008-Apr-03 09:37 < 00:01 Earth 0.361127369254378 0.361127200852739 0.361127537656018 10.6769695026301 10.6762784390505 2454559.900915987 0.0426993939070599 29.2427299848744 8.39694930229104 89.9892873024068 4019431.12409715 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2034-Apr-04 04:42 < 00:01 Earth 0.362576199232743 0.362575916278225 0.362576482189404 10.6738247250704 10.6731362202189 2464056.695849619 0.0675988873718934 61.8219555673053 9.66281350814318 80.307019510239 3781871.39102518 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2060-Apr-03 15:53 < 00:01 Earth 0.361236725748926 0.361236234187625 0.361237217326099 10.6474021672776 10.6467093943144 2473553.161930045 0.126198022844215 132.142779286109 9.62817731487857 80.1518946905186 3777317.01070074 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2086-Apr-04 13:49 < 00:01 Earth 0.363134718804107 0.363133936453605 0.363135501196966 10.6530243015772 10.652335513365 2483050.075724471 0.195650661867883 205.576712866756 9.67113639847634 79.3943658939893 3759187.91437801 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2112-Apr-05 11:06 < 00:01 Earth 0.364613117737744 0.364611967946779 0.36461426761097 10.6701828798047 10.6694979877267 2492546.962645526 0.26646544257537 283.008544952691 9.72781349660186 78.476411986963 3723132.51150183 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2119-Mar-14 18:44 < 00:01 Earth 0.498410486771236 0.49840768300047 0.498413290583704 10.5154340460139 10.5149256425741 2495081.280384609 0.357896136583161 267.71846477294 12.8512029367809 -58.6256871653105 4304154.84440835 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2138-Apr-06 18:04 < 00:01 Earth 0.36843851546871 0.368436867583376 0.368440163484835 10.7048008945684 10.7041253057647 2502044.252430784 0.342133067418209 358.224657570966 9.82865807321735 76.8307072859119 3677468.48723727 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2145-Mar-15 12:40 < 00:01 Earth 0.486193879242741 0.486190403294883 0.486197355265522 10.4857707885173 10.4852481356551 2504579.027643420 0.446245261556089 347.997107563806 12.4779680151193 -60.1908744076287 4345084.60089136 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2164-Apr-07 15:42 < 00:01 Earth 0.378853069411595 0.378850537906505 0.378855601096828 10.7949485946508 10.7942970651664 2511542.154107912 0.430602173653831 432.13473647878 10.0804533704867 73.0661330369065 3576855.93462098 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2171-Mar-17 20:00 < 00:01 Earth 0.466435625193545 0.466431510279894 0.466439740239526 10.4439863481467 10.4434393753588 2514077.333550128 0.54240432541666 442.852557471813 11.932957311201 -62.4363523246392 4358112.20957141 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2190-Apr-09 22:14 < 00:01 Earth 0.394028641319366 0.394024894593779 0.394032388266827 10.9481245062271 10.9475068354012 2521040.426343633 0.522789608248275 502.980584377503 10.4189131204707 68.2254821065065 3446378.77265097 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
2197-Mar-19 18:43 < 00:01 Earth 0.441044549292966 0.441039982565069 0.441049116248102 10.404681928854 10.4041012804888 2523576.279901937 0.618405334192445 549.271507154155 11.2166328992986 -65.5321012711252 4387695.86644047 T 516 CATAB v2.0f-lin.ifort 2021-Jan-12 05:24:36 2021-Jan-12 05:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-20 18:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin