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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524805316663892 4.0061e-08  
a 3.156192498231581 1.8286e-08 au
q 2.67493458805976 1.2546e-07 au
i 5.128252923292187 5.1831e-06 deg
node 18.55539520623814 4.3687e-05 deg
peri 47.49479905240844 4.6555e-05 deg
M 223.3062297228181 1.6232e-05 deg
tp 2459778.160201131153
(2022-Jul-17.66020113)
9.5272e-05 TDB
period 2048.064603379719
5.61
1.7799e-05
4.873e-08
d
yr
n .1757757052223487 1.5276e-09 deg/d
Q 3.637450408403401 2.1074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1429  
   data-arc span      21442 days (58.70 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49509  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:15:29  

Additional Information
 Earth MOID = 1.69182 au 
 Jupiter MOID = 1.71226 au 
 T_jup = 3.182 
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Orbital Elements at Epoch 2456644.5 (2013-Dec-18.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579908029841005 4.0389e-08  
q 2.647823832879558 1.2684e-07 au
tp 2455694.619178744779
(2011-May-13.11917874)
8.0919e-05 TDB
node 18.89423759115864 4.3473e-05 deg
peri 46.64735832850225 4.6068e-05 deg
i 5.149519182306727 5.2009e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1429  
   data-arc span      21442 days (58.70 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49509  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:15:29  

Additional Information
 Jupiter MOID = 1.71226 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.631234714517266E-15 -5.085338781580984E-15 -9.836593902496674E-13 2.346801111921807E-15 -2.08527576302125E-13 -9.039872466069468E-16
q -5.085338781580984E-15 1.608800367883706E-14 3.161255167364605E-12 -8.091309516132713E-15 6.880802269728018E-13 2.371052904481059E-15
tp -9.836593902496674E-13 3.161255167364605E-12 6.5479160719281E-9 -2.804753966375184E-12 1.243119261448199E-9 6.920760359394045E-13
node 2.346801111921807E-15 -8.091309516132713E-15 -2.804753966375184E-12 1.889902840805537E-9 -1.882662300734549E-9 -4.240609513846352E-12
peri -2.08527576302125E-13 6.880802269728018E-13 1.243119261448199E-9 -1.882662300734549E-9 2.122249391915453E-9 4.27665944426191E-12
i -9.039872466069468E-16 2.371052904481059E-15 6.920760359394045E-13 -4.240609513846352E-12 4.27665944426191E-12 2.704952472485066E-11

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 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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