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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04918954138811591 3.4424e-08  
a 3.414502034066768 1.5694e-08 au
q 3.246544244942235 1.1848e-07 au
i 6.461294740743724 3.8718e-06 deg
node 293.0573497047835 3.2445e-05 deg
peri 97.76880088533488 5.2748e-05 deg
M 219.350847703746 4.1675e-05 deg
tp 2459900.876411748064
(2022-Nov-17.37641175)
0.00026809 TDB
period 2304.567805332846
6.31
1.5888e-05
4.35e-08
d
yr
n .1562115027238288 1.077e-09 deg/d
Q 3.582459823191301 1.6466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2579  
   data-arc span      31577 days (86.45 yr)  
   first obs. used      1933-08-18  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45099  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:50:19  

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

[ 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
1900-Oct-07 09:05 00:03 Jupiter 1.79458007328972 1.79457958104499 1.79458056553578 3.15430952083412 3.0009481899543 2415299.878436381 2.81657310431773 119.216136513589 13.4329698347204 78.0905371088741 3704458.71650102 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
1914-Mar-15 18:09 00:02 Jupiter 1.71125745372388 1.71125708769711 1.71125781975066 3.50278399554174 3.35850473677025 2420207.256519114 2.45173406775685 62.7876971305302 15.2527403791798 89.0549793510732 4004279.9665395 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
1927-Sep-10 23:01 00:02 Jupiter 1.74888401403275 1.74888353611474 1.74888449195107 3.22335587281954 3.0694265979973 2425134.458938423 2.25397399617099 117.316191689567 18.7931909042434 84.9750462576545 3792766.58093806 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
1941-Apr-05 13:05 00:02 Jupiter 1.75710749257796 1.75710708984987 1.75710789530604 3.24913109204349 3.09721532687589 2430090.045239587 1.875679083734 72.0020986581479 15.0884567715097 -83.8979472670801 3804004.38647785 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
1954-Sep-26 08:27 00:01 Jupiter 1.75394317654832 1.75394283571471 1.75394351738183 3.49479907119599 3.35376968646942 2435011.852053255 1.43698082785986 70.9179989530131 14.1543919390519 -88.6771528393492 3869181.39015228 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
1968-Feb-26 10:57 00:01 Jupiter 1.8361504709928 1.83615008603794 1.83615085594756 3.12437449854534 2.97306393155642 2439912.956358270 1.13556217782902 83.1633758803562 16.5361919223392 -88.5139450029153 3838299.86681578 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
1981-Aug-21 00:33 < 00:01 Jupiter 1.89935885562784 1.89935841375761 1.89935929749817 2.61104223302896 2.43426332317488 2444837.522851818 0.860479803458979 51.4683388388613 11.8202658246757 78.1725163651663 3711858.4433596 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
1995-Feb-20 14:38 < 00:01 Jupiter 1.83310894734705 1.83310853914915 1.83310935554495 2.97702039704651 2.81753665004437 2449769.109814131 0.518721666084587 43.57088928838 13.7445043657359 76.8924149404112 3670807.2944152 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2008-Jul-29 20:02 < 00:01 Jupiter 1.72111320482937 1.72111283503447 1.72111357462427 3.44185287983626 3.29576673592866 2454677.334375759 0.27230282283242 51.1340369375418 14.9367882056269 85.5145548405469 3833213.08036669 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2022-Jan-17 14:54 < 00:01 Jupiter 1.72953302357377 1.72953260221951 1.72953344492802 3.29683065068855 3.14477521741782 2459597.120775981 0.378934279850008 60.8198226017077 17.0366467977014 -88.1784395746622 3648513.87501475 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2035-Aug-11 23:09 < 00:01 Jupiter 1.76584047206128 1.76584005180457 1.76584089231798 3.1789698109198 3.02431926245837 2464551.464254664 0.682268172658696 41.0004514223554 14.4939127251302 -76.9585492413358 3782598.00503755 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2049-Feb-10 01:12 < 00:01 Jupiter 1.74346094531913 1.74346059445554 1.74346129618273 3.51044305332945 3.36920673220181 2469482.549912251 0.934437313761015 56.2364681203244 14.4677544849364 -87.9671762876331 4083201.26353136 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2062-Jul-14 15:46 00:01 Jupiter 1.80871984892004 1.80871941641299 1.80872028142709 3.29869438803059 3.15353543815546 2474385.157288543 1.23453243718908 71.7976933387161 19.2024337029353 -87.4640191332804 4049486.81879535 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2075-Dec-31 00:29 00:02 Jupiter 1.89861625574679 1.89861580676425 1.89861670472934 2.7103790994291 2.5404531877253 2479302.520011459 1.63522531636464 85.566304313946 17.7081025419218 -89.2045332208327 3640869.39873732 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2089-Jul-04 16:42 00:02 Jupiter 1.85912692808533 1.85912641422769 1.85912744194339 2.79372288825173 2.62558240474331 2484237.196010056 1.9823261392869 74.5250770534122 12.8800518637002 72.3568557176532 3596231.38302893 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2102-Dec-18 15:55 00:02 Jupiter 1.74454734435289 1.7445468319182 1.74454785678867 3.34331690934687 3.19479523899128 2489151.163261676 2.25091002483078 101.762295058615 13.8353198127716 78.1552933063652 3845822.05377865 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2116-May-29 01:17 00:03 Jupiter 1.71983585227093 1.71983546882301 1.71983623571886 3.37274946588908 3.22341977625834 2494061.553775006 2.69390920497017 88.9134941492963 15.9481007128967 88.5972944277175 3815794.3165956 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2129-Dec-15 23:08 00:03 Jupiter 1.75909529100383 1.75909486102762 1.75909572098004 3.1080965374966 2.94910892811745 2499010.464151714 3.22171734551176 124.191066556669 16.3340299748908 -88.1541809666665 3716984.47832949 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2143-Jun-30 15:32 00:03 Jupiter 1.74762543645729 1.74762507201264 1.74762580090193 3.49233451676329 3.35068043121582 2503955.147321446 3.34396267416382 146.601874265371 14.8149493381612 -87.7004650509681 4013191.89054063 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2156-Dec-04 17:47 00:04 Jupiter 1.78643155697403 1.78643098478312 1.78643212916535 3.4513790170193 3.31115279028075 2508861.240964174 3.53884508453681 82.9237334930451 24.3482046493126 77.9907057087747 3950853.32295548 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2170-May-15 21:32 00:04 Jupiter 1.88071929655665 1.88071870584967 1.88071988726694 2.8557903971837 2.69347278402836 2513771.397048403 4.02286760589351 214.325113373512 20.3517601326544 -82.2927174666133 3749624.81378073 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2183-Nov-17 00:19 00:04 Jupiter 1.88764530826549 1.88764472340191 1.88764589313111 2.67922384561848 2.50615286889158 2518704.513411305 4.4259570504592 141.718910281186 12.0769040849315 77.3626419455327 3549705.54903154 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50
2197-May-07 16:47 00:05 Jupiter 1.76947501676361 1.76947415975679 1.76947587377777 3.20042196113222 3.04718381193905 2523625.199473951 4.58202762632573 205.114465732132 13.3124816972114 77.0135951771039 3782415.3976123 T 57 CATAB v2.0f-lin.ifort 2020-Feb-22 15:50:32 2020-Feb-22 15:50

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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