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4752 Myron (1309 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2004752
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660658131121871 1.9219e-08  
a 3.089234746070157 1.3546e-08 au
q 2.576218466069596 6.2218e-08 au
i 2.036811017646937 1.2266e-06 deg
node 55.37365910390614 1.6592e-05 deg
peri 7.892149590080361 1.7969e-05 deg
M 201.4146811350957 8.0509e-06 deg
tp 2460074.145556218893
(2023-May-09.64555622)
4.7662e-05 TDB
period 1983.237808455197
5.43
1.3045e-05
3.572e-08
d
yr
n .1815213478006527 1.194e-09 deg/d
Q 3.602251026070718 1.5796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2289  
   data-arc span      25233 days (69.08 yr)  
   first obs. used      1951-08-06  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50819  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:43:27  

Additional Information
 Earth MOID = 1.58884 au 
 Jupiter MOID = 1.72384 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456938.5 (2014-Oct-08.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677491886976107 1.9274e-08  
q 2.569586023849397 6.2546e-08 au
tp 2456111.468450075918
(2012-Jul-02.96845008)
3.7434e-05 TDB
node 55.38868283657216 1.6586e-05 deg
peri 8.30239432927967 1.7947e-05 deg
i 2.038073913659341 1.2272e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2289  
   data-arc span      25233 days (69.08 yr)  
   first obs. used      1951-08-06  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50819  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:43:27  

Additional Information
 Jupiter MOID = 1.72384 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.714802039317023E-16 -1.185702305763076E-15 -1.403146600460841E-13 1.508318113973663E-14 -2.413254119944953E-14 6.359303049531344E-16
q -1.185702305763076E-15 3.911988918714118E-15 4.644437951982773E-13 -5.219197760079629E-14 9.580815784892352E-14 -2.69175445902111E-15
tp -1.403146600460841E-13 4.644437951982773E-13 1.40129044172954E-9 -5.795933564252266E-11 2.604078244201036E-10 -7.67558962382317E-12
node 1.508318113973663E-14 -5.219197760079629E-14 -5.795933564252266E-11 2.751011380196213E-10 -2.828105396432108E-10 1.858314605307552E-11
peri -2.413254119944953E-14 9.580815784892352E-14 2.604078244201036E-10 -2.828105396432108E-10 3.220899071379857E-10 -1.984089368005133E-11
i 6.359303049531344E-16 -2.69175445902111E-15 -7.67558962382317E-12 1.858314605307552E-11 -1.984089368005133E-11 1.505961573218169E-12

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 12.89   n/a E2021B10  
diameter diameter 12.060 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 26.032 h n/a LCDB (Rev. 2020-October); 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.160   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4752 Myron (1309 T-2)          Discovered 1973-Sep-29 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1309 T-2 = 1951 SN = 1957 UD1 = 1976 GE7 = 1979 VJ3 = 1979 YD2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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