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JPL Small-Body Database Browser
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12133 Titulaer (2558 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2012133
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524804836062451 4.0277e-08  
a 3.156192486854318 1.8594e-08 au
q 2.674934730104374 1.2588e-07 au
i 5.128249285379764 5.4097e-06 deg
node 18.5553861880726 4.6474e-05 deg
peri 47.49480273134605 4.9882e-05 deg
M 223.306233999716 1.7321e-05 deg
tp 2459778.160172594691
(2022-Jul-17.66017259)		 0.00010094 TDB
period 2048.0645923056
5.61		 1.8098e-05
4.955e-08		 d
yr
n .175775706172788 1.5533e-09 deg/d
Q 3.637450243604262 2.1429e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1381  
   data-arc span      21411 days (58.62 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:00:05  

Additional Information
 Earth MOID = 1.69182 au 
 Jupiter MOID = 1.71226 au 
 T_jup = 3.182 
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[ 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 13.5   n/a MPO347620  
diameter diameter 9.667 km 0.304 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.517 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.090   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12133 Titulaer           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Dutch astronomer and science writer Chriet Titulaer (b. 1943) is a popularizer of astronomy and space travel. Together with Henk Terlingen, he prepared impressive television programs on the Apollo moon missions.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

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Alternate Designations
 2558 P-L = 1973 AY3 = 1984 BR1 
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