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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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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 60 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04918954098638634 3.2799e-08  
a 3.414502033783126 1.518e-08 au
q 3.246544246044251 1.1411e-07 au
i 6.461294023973059 3.728e-06 deg
node 293.0573447441687 3.1472e-05 deg
peri 97.76880670805311 5.0698e-05 deg
M 219.3508468967265 4.0414e-05 deg
tp 2459900.876416802071
(2022-Nov-17.37641680)
0.00026044 TDB
period 2304.567805045685
6.31
1.5368e-05
4.208e-08
d
yr
n .1562115027432935 1.0417e-09 deg/d
Q 3.582459821522 1.5926e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2820  
   data-arc span      31761 days (86.96 yr)  
   first obs. used      1933-08-18  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:31:25  

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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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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