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20040 Tatsuyamatsuyama (1992 WT3)
Classification: Main-belt Asteroid          SPK-ID: 2020040
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2249596481781539 4.1732e-08  
a 2.445127617569909 9.034e-09 au
q 1.895072568970695 1.0037e-07 au
i 7.499382888110367 4.3076e-06 deg
node 93.85345075183305 2.4443e-05 deg
peri 336.42094811999 2.5862e-05 deg
M 113.8654473716562 6.888e-06 deg
tp 2458758.787001718507
(2019-Oct-02.28700172)
2.6134e-05 TDB
period 1396.531459296057
3.82
7.7396e-06
2.119e-08
d
yr
n .2577815183493707 1.4286e-09 deg/d
Q 2.995182666169124 1.1066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1127  
   data-arc span      11845 days (32.43 yr)  
   first obs. used      1988-10-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:11:55  

Additional Information
 Earth MOID = .911901 au 
 Jupiter MOID = 2.30346 au 
 T_jup = 3.452 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457321.5 (2015-Oct-26.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230691100139141 4.1573e-08  
q 1.900611217947046 9.9796e-08 au
tp 2457360.972164900693
(2015-Dec-04.47216490)
2.6395e-05 TDB
node 93.95072896274718 2.4465e-05 deg
peri 336.3088026666535 2.5928e-05 deg
i 7.49350155041604 4.3028e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1127  
   data-arc span      11845 days (32.43 yr)  
   first obs. used      1988-10-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:11:55  

Additional Information
 Jupiter MOID = 2.30346 au 
 T_jup = 3.452 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.728333124453083E-15 -4.139315906201689E-15 -6.502417026669189E-14 -9.120836903023567E-15 -3.57006679336453E-14 -3.709293687147694E-15
q -4.139315906201689E-15 9.95929109337119E-15 1.386468674028538E-13 2.151286913766921E-14 7.968554893557498E-14 8.97972650933172E-15
tp -6.502417026669189E-14 1.386468674028538E-13 6.966864589979612E-10 -8.224452502681941E-13 2.339390478524871E-10 1.587026266755255E-14
node -9.120836903023567E-15 2.151286913766921E-14 -8.224452502681941E-13 5.985597561561844E-10 -5.92967216020812E-10 -2.812974075107425E-11
peri -3.57006679336453E-14 7.968554893557498E-14 2.339390478524871E-10 -5.92967216020812E-10 6.722736607032827E-10 2.79652908182669E-11
i -3.709293687147694E-15 8.97972650933172E-15 1.587026266755255E-14 -2.812974075107425E-11 2.79652908182669E-11 1.851423521884705E-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 15.26   n/a E2021B10  

20040 Tatsuyamatsuyama           Discovered 1992 Nov. 21 by T. Seki at Geisei.
Tatsuya Matsuyama (b. 1983) was born in Kochi city, Japan. He teaches at University of Kochi Primary School and works as an instructor at Geisei Observatory. He is dedicated to improving mathematical skills and increasing astronomical knowledge of primary school students.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2020-08-07Last Updated: 2020-08-24

[ 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
1973-Dec-02 01:58 < 00:01 Iris 0.0353743672552917 0.0353688765760671 0.0353798580163612 5.65841511058125 5.65841508186091 2442018.582022819 0.691222119353069 286.779996702448 34.6628721375469 17.4834068073626 49111.2850729884 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 03:12:03 2021-Apr-13 03:12
2073-Jun-13 19:35 00:01 Iris 0.0151680811716405 0.0151573290365642 0.0151788342548494 5.61738063207241 5.61738056460275 2478372.315903025 1.0364934882256 568.528848807231 32.9512036956085 19.4957402023751 23278.6421883104 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 03:12:03 2021-Apr-13 03:12
2137-Jun-05 14:36 00:01 Amphi 0.046051032803782 0.0460368740357123 0.0460651934583653 3.97724915467232 3.97724912328525 2501739.108220857 1.36384841297417 845.697530043658 58.061364918523 -33.5317746208987 65858.9163251822 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 03:12:03 2021-Apr-13 03:12
2198-Sep-01 07:59 00:02 Amphi 0.0348659336462151 0.0348506227602648 0.0348812540429733 3.97107395839849 3.97107391687787 2524106.832417440 1.55831672284079 1187.8704479068 57.922275279499 -50.0974783421273 69100.3251126823 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 03:12:03 2021-Apr-13 03:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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