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11785 Migaic (1973 AW3)
Classification: Main-belt Asteroid          SPK-ID: 2011785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06711095724533805 3.4536e-08  
a 2.780144465675596 1.2093e-08 au
q 2.593566309303778 9.622e-08 au
i 7.715366087855572 3.5708e-06 deg
node 65.51821070886018 2.8875e-05 deg
peri 83.34522176075301 4.238e-05 deg
M 45.15379595195462 2.9333e-05 deg
tp 2458788.130943273303
(2019-Oct-31.63094327)
0.00013804 TDB
period 1693.165741878264
4.64
1.1048e-05
3.025e-08
d
yr
n .2126194684287934 1.3873e-09 deg/d
Q 2.966722622047414 1.2905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2503  
   data-arc span      17364 days (47.54 yr)  
   first obs. used      1973-01-02  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44787  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:57:18  

Additional Information
 Earth MOID = 1.61908 au 
 Jupiter MOID = 2.05922 au 
 T_jup = 3.317 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457151.5 (2015-May-09.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06867360275436368 3.4523e-08  
q 2.590722084820928 9.6539e-08 au
tp 2457095.860908614162
(2015-Mar-14.36090861)
0.00013568 TDB
node 65.55328714503446 2.8879e-05 deg
peri 83.65178832834199 4.1832e-05 deg
i 7.714286837405121 3.57e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2503  
   data-arc span      17364 days (47.54 yr)  
   first obs. used      1973-01-02  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44787  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:57:18  

Additional Information
 Jupiter MOID = 2.05922 au 
 T_jup = 3.317 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.191863733985443E-15 -3.31012334971903E-15 8.357145637896361E-13 -1.360629325095798E-16 1.941325897234123E-13 -1.851979417724299E-15
q -3.31012334971903E-15 9.319825390808257E-15 -2.540198098464263E-12 2.481905674358664E-16 -5.874679904158509E-13 5.178570926635574E-15
tp 8.357145637896361E-13 -2.540198098464263E-12 1.840889240430929E-8 -2.411688695503614E-11 4.124761258066113E-9 -2.150963630672108E-12
node -1.360629325095798E-16 2.481905674358664E-16 -2.411688695503614E-11 8.340200560217241E-10 -8.315688259008385E-10 -9.984146045897381E-12
peri 1.941325897234123E-13 -5.874679904158509E-13 4.124761258066113E-9 -8.315688259008385E-10 1.749876993067676E-9 9.411704572193353E-12
i -1.851979417724299E-15 5.178570926635574E-15 -2.150963630672108E-12 -9.984146045897381E-12 9.411704572193353E-12 1.274501987698741E-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 12.8   n/a MPO337358  
diameter diameter 15.113 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.716 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.075   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

11785 Migaic           Discovered 1973 Jan. 2 by N. S. Chernykh at the Crimean Astrophysical Observatory.
Moscow State University of Geodesy and Cartography (formerly Moscow Institute of Geodesy, Air-Photography and Cartography) is the only educational institution in Russia that trains specialists in geodesy, geodynamics, astronomy, cosmic geodesy and the making of optical and electronic devices.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040306/MPCPages.arcLast Updated: 2004-03-08

[ show close-approach data ]
Alternate Designations
 1973 AW3 = 1981 YP = 1990 VS1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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