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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0486133235507968 3.2655e-08  
a 3.417868388187412 1.4748e-08 au
q 3.251714446378417 1.1433e-07 au
i 6.460533387564611 3.684e-06 deg
node 293.0601284033893 3.1166e-05 deg
peri 96.78518475900306 5.0477e-05 deg
M 251.5557620931526 4.056e-05 deg
tp 2459895.741055441057
(2022-Nov-12.24105544)
0.00026151 TDB
period 2307.976751828665
6.32
1.4939e-05
4.09e-08
d
yr
n .1559807739461688 1.0096e-09 deg/d
Q 3.584022329996408 1.5465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2930  
   data-arc span      31986 days (87.57 yr)  
   first obs. used      1933-08-18  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:14:40  

Additional Information
 Earth MOID = 2.26438 au 
 Jupiter MOID = 1.70997 au 
 T_jup = 3.131 
[ 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

[ 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 1.794580054613 1.79457957646168 1.79458053276565 3.15430927902278 3.00094793501737 2415299.878271546 2.78136654259368 117.107981880073 13.2671693746898 78.1993368881775 3811713.13873202 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
1914-Mar-15 18:09 00:02 Jupiter 1.71125748297774 1.71125714201626 1.71125782393912 3.50278355805009 3.35850428381782 2420207.256433000 2.42107185038828 61.5541088487977 14.1895244969253 89.8343287039529 4365713.80543983 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
1927-Sep-10 23:01 00:02 Jupiter 1.74888398947123 1.74888352815343 1.74888445078953 3.22335565521146 3.06942636813202 2425134.458902591 2.22294818527412 115.364606947763 18.0012442876097 84.5275110849558 4240164.05245924 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
1941-Apr-05 13:05 00:02 Jupiter 1.75710740780807 1.75710701987154 1.75710779574461 3.24913104058823 3.09721526624784 2430090.045177265 1.84734461589286 69.9555281379649 14.6247164804532 -84.5153511291528 3871679.28749346 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
1954-Sep-26 08:27 00:01 Jupiter 1.75394314388935 1.75394281650809 1.75394347127061 3.49479861824959 3.35376921259042 2435011.852010551 1.4178002897436 70.038966836735 13.5195780729356 -88.3420333915946 3994383.36129317 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
1968-Feb-26 10:57 00:01 Jupiter 1.83615046229488 1.83615011803351 1.83615080655625 3.12437393545779 2.97306333993334 2439912.956380180 1.12475905438466 79.8153817080884 15.0024003456631 -89.3732500826727 4230660.03718047 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
1981-Aug-21 00:33 < 00:01 Jupiter 1.89935879063629 1.89935837709205 1.89935920418064 2.61104218056788 2.43426326164747 2444837.522913415 0.857822747867298 50.3059544161724 11.2736388030542 78.49169383601 4027791.67761408 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
1995-Feb-20 14:38 < 00:01 Jupiter 1.83310888936198 1.83310849359486 1.8331092851291 2.97702040807598 2.81753665741654 2449769.109818445 0.517150240208052 41.0348035097413 13.5695794497765 77.3297726332354 3718281.52248978 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2008-Jul-29 20:01 < 00:01 Jupiter 1.72111321310314 1.7211128530884 1.72111357311787 3.44185240254962 3.29576623902884 2454677.334350213 0.255170513134106 50.5265461895142 14.523406847212 85.3757254484653 4006010.15316988 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2022-Jan-17 14:54 < 00:01 Jupiter 1.72953300113589 1.72953261046489 1.72953339180688 3.29683019195189 3.14477473534038 2459597.120773840 0.348339608175119 57.7404777665827 15.674885444001 -86.7580358025216 3997890.82909691 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2035-Aug-11 23:09 < 00:01 Jupiter 1.76584038390968 1.7658399841893 1.76584078363005 3.17896982203605 3.02431926710162 2464551.464250676 0.656922283728317 39.1187812427767 13.6335804280595 -76.8298545455901 3965972.83392213 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2049-Feb-10 01:12 < 00:01 Jupiter 1.74346091590943 1.74346056918919 1.74346126262966 3.51044277262511 3.36920643809461 2469482.549891345 0.905476305199406 54.3448194020463 14.3529834623838 -88.2757756311705 4207732.18912023 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2062-Jul-14 15:46 00:01 Jupiter 1.80871985701865 1.80871943545747 1.80872027857973 3.29869393972828 3.15353497070282 2474385.157273948 1.19674758827412 69.9460082574899 18.9364974311718 -87.7224445184282 4442106.97307489 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2075-Dec-31 00:29 00:02 Jupiter 1.89861620198262 1.89861577794755 1.89861662601758 2.71037896926 2.54045304484674 2479302.519999482 1.58123164961817 82.4290547768916 17.3608709015451 -88.6127983370671 4072748.73865405 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2089-Jul-04 16:42 00:02 Jupiter 1.85912685720825 1.8591263744 1.85912734001692 2.79372290073607 2.62558241237033 2484237.196002599 1.91487140942922 71.3170967411832 12.5498951761856 72.8696368667629 3672782.10576282 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2102-Dec-18 15:55 00:02 Jupiter 1.74454733279793 1.74454682227824 1.7445478433187 3.34331649083849 3.19479480085997 2489151.163262228 2.17996664953751 98.8845591678917 13.4713802065086 77.758086363544 3971757.73127061 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2116-May-29 01:17 00:03 Jupiter 1.71983585299828 1.71983550717488 1.71983619882167 3.37274893206071 3.22341921860825 2494061.553814462 2.6174762743461 84.9226918278281 14.2715330697614 89.8334218855968 4239278.6548337 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2129-Dec-15 23:08 00:03 Jupiter 1.75909521276097 1.75909481404888 1.75909561147315 3.10809650223552 2.94910888459517 2499010.464192234 3.14306347836892 121.006044920059 15.0289318679312 -87.7399042338021 4105934.78343682 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2143-Jun-30 15:32 00:03 Jupiter 1.7476253795721 1.74762502173235 1.74762573741195 3.49233434172884 3.35068024487236 2503955.147370125 3.26787650105537 143.025499182025 14.5478536742713 -87.6588819767682 4087241.60572643 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2156-Dec-04 17:47 00:03 Jupiter 1.78643155736586 1.78643098589522 1.7864321288369 3.45137850666743 3.31115225913811 2508861.241053485 3.4577360719071 80.7548903740362 23.9721071327322 77.3357094973053 4270130.57686817 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2170-May-15 21:32 00:04 Jupiter 1.88071930314733 1.88071871980343 1.88071988649498 2.8557900941968 2.69347246429213 2513771.397193447 3.92643630989575 209.608881257658 19.6967505403208 -82.0271883214337 4276323.12328691 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2183-Nov-17 00:19 00:04 Jupiter 1.88764525887299 1.8876447207891 1.88764579695881 2.67922406267309 2.50615309723977 2518704.513500761 4.31332872887167 137.942932541806 11.316775124299 77.7103034524874 3762607.02660512 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15
2197-May-07 16:47 00:04 Jupiter 1.76947499842903 1.76947415954547 1.76947583731953 3.20042164073919 3.04718347467405 2523625.199486594 4.46560398184113 199.640512778826 13.1668449816133 76.9711516603642 3867219.62174754 T 62 CATAB v2.0f-lin.ifort 2021-Apr-12 12:15:01 2021-Apr-12 12:15

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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