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27991 Koheijimiura (1997 VW6)
Classification: Main-belt Asteroid          SPK-ID: 2027991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203689414686564 5.3602e-08  
a 2.930222112540544 1.3985e-08 au
q 2.577514378585989 1.5796e-07 au
i .8240408494932732 4.1341e-06 deg
node 267.5470109796268 0.00032171 deg
peri 119.9230818496345 0.000322 deg
M 194.1859560076756 1.4476e-05 deg
tp 2459844.355430330908
(2022-Sep-21.85543033)
7.5868e-05 TDB
period 1832.100270910644
5.02
1.3116e-05
3.591e-08
d
yr
n .1964957954081096 1.4067e-09 deg/d
Q 3.2829298464951 1.5668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1297  
   data-arc span      10018 days (27.43 yr)  
   first obs. used      1992-11-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:25:01  

Additional Information
 Earth MOID = 1.58217 au 
 Jupiter MOID = 2.15848 au 
 T_jup = 3.266 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456724.5 (2014-Mar-08.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1198788248287385 5.3622e-08  
q 2.58066406745715 1.5824e-07 au
tp 2456183.646145681875
(2012-Sep-13.14614568)
6.9992e-05 TDB
node 267.6077798032561 0.00032167 deg
peri 120.8191600352847 0.00032196 deg
i .8239497622083667 4.1332e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1297  
   data-arc span      10018 days (27.43 yr)  
   first obs. used      1992-11-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:25:01  

Additional Information
 Jupiter MOID = 2.15848 au 
 T_jup = 3.266 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.875337951158336E-15 -8.459399177804764E-15 3.676955250240945E-13 -2.123476061940672E-14 7.066583898768847E-15 -1.125717911502762E-17
q -8.459399177804764E-15 2.50406416480938E-14 -1.058241559907998E-12 6.09049359519833E-14 -6.789658033629885E-15 7.893087506169538E-17
tp 3.676955250240945E-13 -1.058241559907998E-12 4.898939162527996E-9 9.960739653982785E-12 9.809123186349269E-10 -3.574848858043636E-13
node -2.123476061940672E-14 6.09049359519833E-14 9.960739653982785E-12 1.034712767151521E-7 -1.034581373858208E-7 -5.365467536633518E-10
peri 7.066583898768847E-15 -6.789658033629885E-15 9.809123186349269E-10 -1.034581373858208E-7 1.036568548636692E-7 5.364291429144023E-10
i -1.125717911502762E-17 7.893087506169538E-17 -3.574848858043636E-13 -5.365467536633518E-10 5.364291429144023E-10 1.708305577187654E-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 14.4   n/a MPO337494  

27991 Koheijimiura           Discovered 1997 Nov. 6 by N. Sato at Chichibu.
Koheiji Miura (1933-2006) is an internationally-known Japanese ceramic artist. An alumnus and a professor emeritus at Tokyo National University of Fine Art and Music. He was granted the Medal with Purple Ribbon from the Emperor in 1996 and designated as a Living National Treasure by the Government in 1997.
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 2014-05-14Last Updated: 2014-05-15

Alternate Designations
 1997 VW6 = 1999 CH104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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