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1933 Tinchen (1972 AC)
Classification: Main-belt Asteroid          SPK-ID: 2001933
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238052198325116 3.1374e-08  
a 2.352645312501006 6.0256e-09 au
q 2.061375542398891 7.4281e-08 au
i 6.882436992516133 3.9805e-06 deg
node 164.9134360790235 2.6876e-05 deg
peri 214.2584441623071 3.0749e-05 deg
M 228.4471912167664 1.528e-05 deg
tp 2459482.149082477733
(2021-Sep-24.64908248)
5.6482e-05 TDB
period 1318.05372531189
3.61
5.0637e-06
1.386e-08
d
yr
n .2731299893824992 1.0493e-09 deg/d
Q 2.643915082603121 6.7716e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2584  
   data-arc span      23135 days (63.34 yr)  
   first obs. used      1956-10-01  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45464  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:08:24  

Additional Information
 Earth MOID = 1.06656 au 
 Jupiter MOID = 2.82233 au 
 T_jup = 3.537 
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Orbital Elements at Epoch 2456422.5 (2013-May-10.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122823377602105 3.1255e-08  
q 2.064271948255113 7.3911e-08 au
tp 2456844.760599633354
(2014-Jul-06.26059963)
5.5116e-05 TDB
node 164.9461098830149 2.689e-05 deg
peri 214.0176920910083 3.0848e-05 deg
i 6.878594947262833 3.9797e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2584  
   data-arc span      23135 days (63.34 yr)  
   first obs. used      1956-10-01  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45464  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:08:24  

Additional Information
 Jupiter MOID = 2.82233 au 
 T_jup = 3.537 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.768631526314937E-16 -2.304054377994122E-15 -3.224977267685925E-13 4.85231623011238E-16 -9.691196331850551E-14 -8.332573316664217E-16
q -2.304054377994122E-15 5.462895538027316E-15 7.949720055612865E-13 -1.449850624363396E-15 2.351096376159507E-13 2.005655466601249E-15
tp -3.224977267685925E-13 7.949720055612865E-13 3.03779458902167E-9 1.716742024076702E-12 8.403580789421902E-10 -1.783324562592491E-12
node 4.85231623011238E-16 -1.449850624363396E-15 1.716742024076702E-12 7.230985075281274E-10 -7.170690897971986E-10 -6.059243878676538E-12
peri -9.691196331850551E-14 2.351096376159507E-13 8.403580789421902E-10 -7.170690897971986E-10 9.515969509982887E-10 5.537035322722805E-12
i -8.332573316664217E-16 2.005655466601249E-15 -1.783324562592491E-12 -6.059243878676538E-12 5.537035322722805E-12 1.583823489866063E-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 13.0   n/a MPO431516  
diameter diameter 4.508 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.671 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ryan, W.H.; Ryan, E.V. (2007) UNPUBLISHED.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Hasegawa, S.; Miyaska, S.; Mito, H.; Sarugaku, Y.; et al. (2014) Pub. Astron. Soc. Japan 66, 54.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.613   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1933 Tinchen (1972 AC)          Discovered 1972-Jan-14 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1972 AC = 1956 TB = 1956 VE = 1962 JF = 1962 JS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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