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1280 Baillauda (1933 QB)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04918954020588982 3.315e-08  
a 3.414502033513483 1.5286e-08 au
q 3.246544248452879 1.1505e-07 au
i 6.461294065195016 3.7571e-06 deg
node 293.0573450803487 3.1762e-05 deg
peri 97.7688072452751 5.1177e-05 deg
M 219.3508461695554 4.0675e-05 deg
tp 2459900.876421350459
(2022-Nov-17.37642135)
0.00026202 TDB
period 2304.567804772699
6.31
1.5476e-05
4.237e-08
d
yr
n .1562115027617975 1.049e-09 deg/d
Q 3.582459818574087 1.6038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2752  
   data-arc span      31715 days (86.83 yr)  
   first obs. used      1933-08-18  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43887  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:29:01  

Additional Information
 Earth MOID = 2.26072 au 
 Jupiter MOID = 1.71125 au 
 T_jup = 3.132 
[ 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 10.1   n/a MPO473780 IRAS observations used: 18
diameter diameter 50.83 km 2.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 18
rotation period rot_per 12.6 h n/a LCDB (Rev. 2019-August); 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:
[Lagerkvist, C.-I.; Erikson, A.; Debehogne, H.; Festin, L.; et al. (1995) Astron. Astrophys. Suppl. Ser. 113, 115-129.]
geometric albedo albedo 0.0505   0.004 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 18
B-V BV 0.671   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=10.73 deg.
U-B UB 0.360   0.055 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=10.73 deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1280 Baillauda (1933 QB)          Discovered 1933-Aug-18 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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
1900-Oct-07 09:05 00:03 Jupiter 1.79458005581324 1.79457957106136 1.79458054056645 3.15430950552028 3.0009481723262 2415299.878457016 2.79470888473503 117.897686163588 13.3889289447529 78.1438686011178 3761367.55334373 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
1914-Mar-15 18:09 00:02 Jupiter 1.7112574503003 1.71125710119517 1.71125779940543 3.5027838681912 3.35850460365396 2420207.256550349 2.4328380871604 62.3021716204408 14.5418751815054 89.5903256434058 4238516.81305803 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
1927-Sep-10 23:01 00:02 Jupiter 1.74888400374795 1.74888353676909 1.7488844707272 3.22335577503932 3.06942649438556 2425134.458958433 2.23476879983635 116.15889435359 18.3155745976279 84.688405342742 4086445.2414665 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
1941-Apr-05 13:05 00:02 Jupiter 1.7571074747426 1.75710708099074 1.75710786849447 3.24913110146259 3.09721533517717 2430090.045251231 1.85782974668129 70.7035243505893 14.8274617083448 -84.3403722251436 3833799.01409239 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
1954-Sep-26 08:27 00:01 Jupiter 1.75394317838704 1.75394284524061 1.75394351153347 3.49479900218626 3.35376961470873 2435011.852066327 1.42485018724138 70.5730239007939 13.790719994708 -88.4563381618971 3939484.27690753 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
1968-Feb-26 10:57 00:01 Jupiter 1.83615047758459 1.83615011975514 1.83615083541404 3.12437442466821 2.97306385447643 2439912.956360788 1.12883649673617 81.1603123389221 15.5450795331545 -89.1433124403717 4097858.66130165 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
1981-Aug-21 00:33 < 00:01 Jupiter 1.89935884544716 1.89935842235493 1.89935926853949 2.61104223199987 2.43426332108911 2444837.522872433 0.85906524672872 50.8125623028825 11.4592323674696 78.3465447355315 3922709.84819608 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
1995-Feb-20 14:38 < 00:01 Jupiter 1.83310893225309 1.83310853136692 1.83310933313926 2.97702042166064 2.81753667470139 2449769.109823619 0.517768487323301 41.9193293635071 13.6761973882286 77.1754012273611 3687396.35795995 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2008-Jul-29 20:01 < 00:01 Jupiter 1.7211132004144 1.72111283657974 1.72111356424906 3.44185276697295 3.2957666176796 2454677.334373177 0.260445541412744 51.0741570020084 14.6845167628346 85.4352344436818 3941626.35044223 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2022-Jan-17 14:54 < 00:01 Jupiter 1.72953301526747 1.72953261474084 1.72953341579411 3.29683053524259 3.14477509564193 2459597.120774734 0.358146771267408 58.899216155888 16.1325899366027 -87.1552728692475 3882702.39604502 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2035-Aug-11 23:09 < 00:01 Jupiter 1.76584045261625 1.7658400456252 1.7658408596073 3.17896981948544 3.0243192697155 2464551.464259098 0.665463768541707 39.7958135902542 13.9236429438724 -76.843620244441 3899024.3741355 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2049-Feb-10 01:12 < 00:01 Jupiter 1.74346094057526 1.74346059093699 1.74346129021352 3.51044300097825 3.36920667726372 2469482.549902233 0.91558156375425 55.136373669466 14.454761483433 -88.0990529106626 4146268.10681089 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2062-Jul-14 15:46 00:01 Jupiter 1.80871985428214 1.80871942897011 1.80872027959418 3.29869428927293 3.15353533529217 2474385.157286775 1.21004069990523 70.8731408313809 19.0421181763081 -87.7127265292716 4302264.88037237 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2075-Dec-31 00:29 00:02 Jupiter 1.89861624969061 1.89861581729186 1.89861668208935 2.7103790941346 2.5404531815165 2479302.520000596 1.60007085531671 83.5985021436413 17.5400925805384 -88.8352129503994 3922781.73623895 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2089-Jul-04 16:42 00:02 Jupiter 1.85912691571233 1.85912642281245 1.85912740861263 2.79372290874547 2.62558242539461 2484237.195999449 1.93810352676333 72.4460544888457 12.7011620069206 72.7383581640741 3633797.3887505 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2102-Dec-18 15:55 00:02 Jupiter 1.74454734063415 1.74454682900925 1.74454785226013 3.34331681151811 3.19479513629064 2489151.163243006 2.20430345880379 99.9766352404163 13.6572208276644 77.9212409513487 3914071.13865973 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2116-May-29 01:17 00:03 Jupiter 1.7198358462004 1.71983548794226 1.71983620445865 3.37274933768881 3.22341964157971 2494061.553759261 2.64375065638816 86.404740096436 14.8658747337997 89.45255029293 4088484.78660456 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2129-Dec-15 23:08 00:03 Jupiter 1.75909527123338 1.7590948622648 1.75909568020205 3.10809650906963 2.94910889632295 2499010.464130558 3.17041682468132 122.109768126745 15.4706136607439 -87.8597930856712 3972896.04177163 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2143-Jun-30 15:32 00:03 Jupiter 1.74762542609597 1.74762506460354 1.7476257875884 3.49233447275837 3.35068038449296 2503955.147297387 3.29469489470609 144.282648835435 14.6926304805144 -87.6518413829871 4045251.09959979 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2156-Dec-04 17:47 00:03 Jupiter 1.78643155907131 1.7864309870906 1.78643213105243 3.45137894707613 3.31115271754363 2508861.240937596 3.48640742485714 81.7508108056145 24.1390683684268 77.6383258148569 4143334.45743254 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2170-May-15 21:32 00:04 Jupiter 1.8807192921552 1.88071870606445 1.88071987824948 2.85579035914591 2.69347274330697 2513771.397028744 3.96040905642066 211.334793431834 19.9979539704134 -82.1234067746703 4088412.24275544 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2183-Nov-17 00:19 00:04 Jupiter 1.88764529884063 1.88764474578899 1.8876458518942 2.67922385928846 2.50615288261162 2518704.513374274 4.3526473374294 139.295170223701 11.5805604712045 77.6079909556351 3685591.91111566 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29
2197-May-07 16:47 00:05 Jupiter 1.76947501647794 1.76947417175773 1.76947586120508 3.20042186040062 3.04718370611645 2523625.199428652 4.50597714452901 201.560787577424 13.2775046758433 76.9988000225753 3823025.91822696 T 59 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:19 2020-Jun-23 15:29

Alternate Designations
 1933 QB = 1931 HE = 1946 SF = 1959 UK = 1961 AN = A912 GB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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