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14032 Mego (1994 XP)
Classification: Main-belt Asteroid          SPK-ID: 2014032
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2110793577382845 1.281e-08  
a 2.55699992467495 6.7364e-09 au
q 2.01727002283772 3.3066e-08 au
i 7.324877145968249 1.824e-07 deg
node 225.2134260359982 4.4676e-06 deg
peri 157.7965274669164 6.6745e-06 deg
M 163.6474233048461 4.4739e-06 deg
tp 2458521.607250461322
(2019-Feb-07.10725046)
1.7018e-05 TDB
period 1493.463110498524
4.09
5.9017e-06
1.616e-08
d
yr
n .2410504802357191 9.5256e-10 deg/d
Q 3.096729826512181 8.1583e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2705  
   data-arc span      24569 days (67.27 yr)  
   first obs. used      1953-12-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45874  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:16:05  

Additional Information
 Earth MOID = 1.02206 au 
 Jupiter MOID = 2.37009 au 
 T_jup = 3.394 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457144.5 (2015-May-02.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094252615169977 1.3012e-08  
q 2.022099899802289 3.3668e-08 au
tp 2457023.384800262155
(2014-Dec-31.88480026)
1.5083e-05 TDB
node 225.3664864889328 4.4869e-06 deg
peri 157.0192603405311 6.7298e-06 deg
i 7.305547006095972 1.8199e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2705  
   data-arc span      24569 days (67.27 yr)  
   first obs. used      1953-12-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45874  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:16:05  

Additional Information
 Jupiter MOID = 2.37009 au 
 T_jup = 3.394 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.693094163700777E-16 -4.325391362276026E-16 -1.66054349242836E-13 1.708994440761188E-15 -5.316862538355525E-14 3.783271033110497E-16
q -4.325391362276026E-16 1.133526558573115E-15 4.416455813800391E-13 -4.669839765067273E-15 1.415583966740337E-13 -9.625083940700044E-16
tp -1.66054349242836E-13 4.416455813800391E-13 2.275011495126569E-10 -1.032077548567532E-11 7.789245950669063E-11 -1.967888288967938E-13
node 1.708994440761188E-15 -4.669839765067273E-15 -1.032077548567532E-11 2.013226023512318E-11 -2.248266753905921E-11 -5.864575001897744E-13
peri -5.316862538355525E-14 1.415583966740337E-13 7.789245950669063E-11 -2.248266753905921E-11 4.529058491127302E-11 5.10822150185785E-13
i 3.783271033110497E-16 -9.625083940700044E-16 -1.967888288967938E-13 -5.864575001897744E-13 5.10822150185785E-13 3.312068113150455E-14

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 13.49   n/a E2021B10  
diameter diameter 4.537 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 40.32 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.201   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14032 Mego           Discovered 1994 Dec. 4 by M. Koishikawa at the Ayashi Station of the Sendai Astronomical Observatory.
Princess Mego (1568-1653) was the wife of Datemasamune, a feudal lord in the Sendai area. After marriage she took the name Yotuko-in. Her birthplace in Miharu, Fukushima prefecture, is famous for a very old cherry tree, Takisakura. A seedling planted near the Sendai Observatory is known as the "Princess Mego Cherry Tree".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2012-Jul-29 10:44 < 00:01 Thisb 0.00720430698213372 0.00720316082298447 0.00720545314613069 4.08378395859914 4.08378372684911 2456137.947289376 0.364942948496527 58.595488025731 40.0192951717054 -17.7512907426533 19333.793673376 T 38 CATAB v2.0f-lin.ifort 2021-Apr-13 00:17:56 2021-Apr-13 00:17
2167-Jul-24 16:00 00:02 Eunom 0.0308974335730574 0.0308863063797543 0.0309085678014468 3.337270024514 3.33726988837576 2512745.167001110 1.70694833540309 920.215532384617 19.6649191059765 -52.982794854494 187416.146611385 T 38 CATAB v2.0f-lin.ifort 2021-Apr-13 00:17:56 2021-Apr-13 00:17

Alternate Designations
 1994 XP = 1953 XX1 = 1998 QJ93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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