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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 66 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04803197576920988 3.0534e-08  
a 3.423450115606415 1.4074e-08 au
q 3.259015042606509 1.0955e-07 au
i 6.453370477300563 3.6601e-06 deg
node 293.0579206024639 2.9174e-05 deg
peri 94.85709410085818 4.9112e-05 deg
M 283.9715753838793 4.0071e-05 deg
tp 2459885.116269523996
(2022-Nov-01.61626952)
0.00025847 TDB
period 2313.632801373886
6.33
1.4268e-05
3.906e-08
d
yr
n .1555994537189411 9.5955e-10 deg/d
Q 3.587885188606321 1.475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3242  
   data-arc span      32133 days (87.98 yr)  
   first obs. used      1933-08-18  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:31:02  

Additional Information
 Earth MOID = 2.27159 au 
 Jupiter MOID = 1.7093 au 
 T_jup = 3.130 
[ 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 10.19   n/a E2021B10 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. 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:
[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 1.79458005326411 1.7945795764329 1.79458053009665 3.15430939104579 3.00094805264702 2415299.878320595 2.67768313477273 112.530275490284 12.7039793219451 77.7259213913715 3928311.70376523 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
1914-Mar-15 18:09 00:02 Jupiter 1.71125748570088 1.71125714557411 1.71125782582766 3.50278357174915 3.35850429833991 2420207.256494862 2.33577716702384 58.6238004557179 14.1526933954841 89.5265042887153 4386533.65566168 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
1927-Sep-10 23:01 00:02 Jupiter 1.74888398730985 1.74888353172974 1.74888444289045 3.22335555883937 3.06942626673194 2425134.458949822 2.14583751152583 112.633954948733 17.3554957345896 84.1318352087832 4511013.99296016 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
1941-Apr-05 13:05 00:02 Jupiter 1.75710739002059 1.75710702844379 1.7571077515974 3.24913101064494 3.09721523326028 2430090.045214600 1.77772882091553 68.3310595377055 13.8387204078252 -85.3849031916091 4142055.99191871 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
1954-Sep-26 08:27 00:01 Jupiter 1.75394313679849 1.7539428145771 1.75394345901987 3.49479859490804 3.35376918768519 2435011.852039985 1.36351643055265 66.4398491242768 13.4021289665112 -88.7523959314129 4086002.60156145 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
1968-Feb-26 10:57 00:01 Jupiter 1.83615047446673 1.83615014165979 1.83615080727368 3.12437389671135 2.9730633002435 2439912.956407660 1.08544379981633 77.6646380807909 14.1681799873109 -89.4995791898133 4285925.08767979 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
1981-Aug-21 00:33 < 00:01 Jupiter 1.89935880703112 1.89935841281604 1.89935920124642 2.61104223816031 2.43426332500365 2444837.522923865 0.837448599326597 49.251300059803 10.1962426788 77.7441988340284 4416895.34320927 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
1995-Feb-20 14:38 < 00:01 Jupiter 1.8331089026902 1.83310853153526 1.83310927384513 2.97702049240156 2.81753674770768 2449769.109818244 0.515179746313089 40.4473288945724 12.353974168438 76.9587163978192 3996365.84540953 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2008-Jul-29 20:01 < 00:01 Jupiter 1.72111322220467 1.72111287178783 1.7211135726215 3.44185244315842 3.29576628222729 2454677.334344494 0.243536576992344 47.3447110729401 14.1314616360196 85.2413305263068 4077782.25746962 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2022-Jan-17 14:54 < 00:01 Jupiter 1.72953299870767 1.72953261590758 1.72953338150776 3.2968301747671 3.14477471710603 2459597.120751382 0.292869274512983 55.9070128491415 15.0665854039608 -86.4181128754389 4056627.17043266 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2035-Aug-11 23:09 < 00:01 Jupiter 1.76584037056763 1.76583998702091 1.76584075411435 3.17896976051955 3.02431920124107 2464551.464236517 0.596089404856752 37.6734713246235 12.1481882101726 -73.9941177877579 4344498.30120503 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2049-Feb-10 01:12 < 00:01 Jupiter 1.74346090147895 1.74346057337149 1.74346122958641 3.51044273383546 3.36920639648541 2469482.549860668 0.843266001641791 50.5966990165463 13.4367626627701 -87.1460249388522 4308324.96111978 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2062-Jul-14 15:46 00:01 Jupiter 1.80871985222881 1.80871943881398 1.80872026564364 3.29869398414314 3.15353501676886 2474385.157227949 1.12197897260515 68.3145775842318 18.3179891472072 -87.2262962639037 4452257.90542029 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2075-Dec-31 00:29 00:01 Jupiter 1.89861621275925 1.89861579659711 1.89861662892139 2.7103790096 2.54045308888177 2479302.519965639 1.48237804255016 79.3529028862559 16.9560783484758 -88.4060341520571 4306580.13065081 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2089-Jul-04 16:42 00:02 Jupiter 1.8591268826094 1.85912645535794 1.85912730986119 2.79372293773358 2.62558245410798 2484237.195943802 1.78865416600665 68.3347327494089 11.3995144763078 74.0803428446993 3881851.14804621 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2102-Dec-18 15:55 00:02 Jupiter 1.74454735543525 1.74454688626036 1.74454782461104 3.3433165184377 3.19479483171426 2489151.163197383 2.0363530602042 92.1243419184806 13.0046275761257 78.2392493208589 4062631.49943372 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2116-May-29 01:17 00:02 Jupiter 1.71983585212449 1.71983551144041 1.71983619280867 3.3727489771571 3.22341926571617 2494061.553724314 2.44985240809829 80.4847790776333 13.7593845078686 -89.8754322618912 4289433.14484097 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2129-Dec-15 23:08 00:03 Jupiter 1.759095200903 1.75909481867986 1.75909558312653 3.1080964265019 2.9491088036781 2499010.464104163 2.95513977285512 113.475040001179 14.0188012078364 -86.8177618737829 4539578.62456757 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2143-Jun-30 15:32 00:03 Jupiter 1.74762536450744 1.74762502472263 1.74762570429246 3.4923342352033 3.35068013259645 2503955.147266803 3.08669364496663 134.765108493542 13.3726537168852 -86.9473782613723 4316335.97980484 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2156-Dec-04 17:47 00:03 Jupiter 1.7864315374819 1.78643099602619 1.78643207893802 3.45137854125771 3.31115229359944 2508861.240958016 3.27132798159792 76.6192576900748 23.1755258343875 78.0162952695072 4271333.29859669 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2170-May-15 21:32 00:04 Jupiter 1.88071929947761 1.88071872324674 1.88071987571201 2.85579020753773 2.69347258413709 2513771.397086421 3.71500861098802 200.553645962197 19.1496864014009 -81.9562130641557 4426873.25696253 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2183-Nov-17 00:19 00:04 Jupiter 1.88764528865879 1.88764481090272 1.88764576641647 2.67922407698911 2.50615311536967 2518704.513380248 4.07342184284661 131.470261344022 10.5729530593303 78.1772912597078 4069504.74894021 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31
2197-May-07 16:47 00:04 Jupiter 1.76947503898898 1.76947428057552 1.76947579740846 3.20042164898999 3.04718348694061 2523625.199372283 4.21194723567748 188.247013725434 12.4057991816347 77.4036064135747 4019517.86355247 T 66 CATAB v2.0g-lin.ifort 2021-Aug-25 07:31:27 2021-Aug-25 07:31

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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