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15376 Martak (1997 CT1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015376
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3097412269745716 4.5252e-08  
a 3.940841183909292 2.5208e-08 au
q 2.720200200293304 1.7874e-07 au
i 2.89743750027377 3.7216e-06 deg
node 256.4147813599366 9.7197e-05 deg
peri 101.6067972135508 9.7305e-05 deg
M 105.8270359233118 5.6684e-06 deg
tp 2458360.506436874177
(2018-Aug-30.00643687)
4.2054e-05 TDB
period 2857.470967479715
7.82
2.7418e-05
7.507e-08
d
yr
n .1259855319956302 1.2088e-09 deg/d
Q 5.161482167525279 3.3017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1730  
   data-arc span      15134 days (41.43 yr)  
   first obs. used      1979-10-14  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:02:11  

Additional Information
 Earth MOID = 1.71684 au 
 Jupiter MOID = .480149 au 
 T_jup = 2.973 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457011.5 (2014-Dec-20.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3074677663499132 4.5025e-08  
q 2.727966913028979 1.7652e-07 au
tp 2458362.019639159797
(2018-Aug-31.51963916)
4.2181e-05 TDB
node 256.4890843716523 9.7284e-05 deg
peri 101.4967995319058 9.7395e-05 deg
i 2.894687799298806 3.7197e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1730  
   data-arc span      15134 days (41.43 yr)  
   first obs. used      1979-10-14  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:02:11  

Additional Information
 Jupiter MOID = .480149 au 
 T_jup = 2.973 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.027208336157048E-15 -7.908953710381921E-15 -3.78443959698599E-14 -7.525247007453948E-15 -6.969527444199304E-14 -8.507564864707167E-16
q -7.908953710381921E-15 3.115814886654096E-14 3.280029387975117E-13 3.547282700196155E-14 2.615873484108752E-13 3.320831606019197E-15
tp -3.78443959698599E-14 3.280029387975117E-13 1.779249380769982E-9 5.282073314130568E-13 2.380990116906979E-10 -9.770235854833792E-14
node -7.525247007453948E-15 3.547282700196155E-14 5.282073314130568E-13 9.464079663431353E-9 -9.451411574273447E-9 -1.203859555621488E-11
peri -6.969527444199304E-14 2.615873484108752E-13 2.380990116906979E-10 -9.451411574273447E-9 9.485761679428212E-9 1.205355302372206E-11
i -8.507564864707167E-16 3.320831606019197E-15 -9.770235854833792E-14 -1.203859555621488E-11 1.205355302372206E-11 1.383611387793362E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.54   n/a MPCxxxxx  
diameter diameter 18.026 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 5.64 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 43-45.]
geometric albedo albedo 0.079   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

15376 Marták           Discovered 1997 Feb. 1 by P. Kolény and L. Kornoš at Modra.
Ján Marták (1912-1945), a relative of the first discoverer, was a talented and dedicated teacher in the Slovak village Bzince pod Javorinou. He was known as a musician, public works organizer and stage director.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1997 CT1 = 1971 UB2 = 1979 TS1 = 1979 WS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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