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91907 Shiho (1999 VA26)
Classification: Main-belt Asteroid          SPK-ID: 2091907
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2332098724423446 4.913e-08  
a 3.067567816902946 2.0524e-08 au
q 2.352180717614769 1.526e-07 au
i 12.82666806984565 5.7392e-06 deg
node 63.00943634874216 3.0046e-05 deg
peri 60.67524073196755 3.5292e-05 deg
M 235.1544034607513 1.5476e-05 deg
tp 2459681.050588841852
(2022-Apr-11.55058884)
8.5845e-05 TDB
period 1962.409718680344
5.37
1.9694e-05
5.392e-08
d
yr
n .1834479296413636 1.8411e-09 deg/d
Q 3.782954916191124 2.531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      8045 days (22.03 yr)  
   first obs. used      1996-05-15  
   last obs. used      2018-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57791  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 15:41:23  

Additional Information
 Earth MOID = 1.39843 au 
 Jupiter MOID = 1.55578 au 
 T_jup = 3.152 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456658.5 (2014-Jan-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2289836889727444 5.0057e-08  
q 2.370697906229631 1.5602e-07 au
tp 2455746.362855335069
(2011-Jul-03.86285534)
9.0419e-05 TDB
node 63.10293426862464 3.0031e-05 deg
peri 60.63962121678832 3.5524e-05 deg
i 12.81787274225393 5.7396e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      8045 days (22.03 yr)  
   first obs. used      1996-05-15  
   last obs. used      2018-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57791  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 15:41:23  

Additional Information
 Jupiter MOID = 1.55578 au 
 T_jup = 3.152 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.505725137515034E-15 -7.767911773818658E-15 2.05705562704866E-12 3.003295162690091E-14 4.412301309760653E-13 -1.832777774935577E-14
q -7.767911773818658E-15 2.434351418537952E-14 -6.718842751809947E-12 -1.236981558967419E-13 -1.384214364051037E-12 6.680042882069032E-14
tp 2.05705562704866E-12 -6.718842751809947E-12 8.175683878616999E-9 9.802990875232721E-11 1.743031837565991E-9 -4.277074309406763E-11
node 3.003295162690091E-14 -1.236981558967419E-13 9.802990875232721E-11 9.018807673410731E-10 -8.639331875128759E-10 -5.094882823236513E-11
peri 4.412301309760653E-13 -1.384214364051037E-12 1.743031837565991E-9 -8.639331875128759E-10 1.261952618742721E-9 4.214240336333227E-11
i -1.832777774935577E-14 6.680042882069032E-14 -4.277074309406763E-11 -5.094882823236513E-11 4.214240336333227E-11 3.294314136820258E-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 14.6   n/a MPO449565  

91907 Shiho           Discovered 1999 Nov. 13 by A. Nakamura at Kuma Kogen.
Shiho Ochi (b. 1984), born in Ehime prefecture, is the vocalist of the band "Superfly". Since their major debut in 2007 with Hello Hello, her rich voice and the band's soulful rock-and-roll music have fascinated many fans in Japan, including the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08

[ 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
1940-Feb-05 22:41 00:02 Jupiter 1.95444089613924 1.95443912850174 1.95444266378097 3.79320625533812 3.67717916533602 2429665.444874568 2.45564749681176 242.825716572465 45.3469607827958 -78.0135592055378 760878.966840053 T 13 CATAB v2.0e-lin.ifort 2018-May-31 15:41:27 2018-Dec-17 17:37
1949-Apr-23 20:13 00:02 Jupiter 1.56203720952698 1.56203631633905 1.56203810272387 2.07771564257294 1.79788549540073 2433030.342252559 2.26569140530607 302.109798468207 88.6559239071853 85.2271997543695 822755.812407304 T 13 CATAB v2.0e-lin.ifort 2018-May-31 15:41:27 2018-Dec-17 17:37
1999-Mar-28 16:38 < 00:01 Jupiter 1.88378276296583 1.883781685757 1.88378384017743 3.33497568438332 3.19730894311987 2451266.193027196 0.710290608971457 244.604473752721 29.2106693668254 -83.4151084951126 1060044.78675891 T 13 CATAB v2.0e-lin.ifort 2018-May-31 15:41:27 2018-Dec-17 17:37
2008-Jun-08 23:45 < 00:01 Jupiter 1.59959544489287 1.59959462231138 1.59959626748499 2.23188651933794 1.98047254813553 2454626.489918791 0.59863306404931 250.551644986235 48.2758644699072 85.3466859624942 1463407.76154909 T 13 CATAB v2.0e-lin.ifort 2018-May-31 15:41:27 2018-Dec-17 17:37
2058-Apr-26 12:09 00:02 Jupiter 1.8016211221022 1.80161987436512 1.80162236984298 2.76173521024342 2.58590256764296 2472845.006245316 1.5950108378636 302.61365267731 23.0876173359603 -84.5623320946585 679577.060503801 T 13 CATAB v2.0e-lin.ifort 2018-May-31 15:41:27 2018-Dec-17 17:37
2067-Jul-08 02:06 00:02 Jupiter 1.66476697887827 1.66476578136813 1.66476817638927 2.46614066181987 2.25039171845518 2476204.587379028 1.76222331824919 223.835833707844 34.8240450803202 84.0524300399136 1011656.41331476 T 13 CATAB v2.0e-lin.ifort 2018-May-31 15:41:27 2018-Dec-17 17:37
2117-May-08 23:24 00:04 Jupiter 1.71801864041865 1.71801691842616 1.71802036241681 2.12134626745494 1.87458374198235 2494406.475303507 3.64002772262276 409.452411177147 160.367736886137 86.2880970880098 335632.877842013 T 13 CATAB v2.0e-lin.ifort 2018-May-31 15:41:27 2018-Dec-17 17:37
2126-Jul-27 13:35 00:03 Jupiter 1.75636360179062 1.75636136414989 1.75636583942944 2.76725997628904 2.58712376291548 2497773.065955992 3.37695320782003 200.539249568431 71.231103346603 88.2372922172662 661854.478133228 T 13 CATAB v2.0e-lin.ifort 2018-May-31 15:41:27 2018-Dec-17 17:37
2176-May-17 22:34 00:05 Jupiter 1.6480953993128 1.6480935567376 1.64809724187367 1.52200559563855 1.13517425475501 2515965.440624073 5.45438401989411 1372.69901100119 464.449087609937 8.66158236665904 186012.336190263 T 13 CATAB v2.0e-lin.ifort 2018-May-31 15:41:27 2018-Dec-17 17:37
2185-Aug-20 00:17 00:05 Jupiter 1.85848532347602 1.85848201971677 1.85848862723263 3.09399338158122 2.94300456302619 2519346.511604115 4.58923534727178 172.611798591351 122.64698288187 -84.2222805084442 513907.409842818 T 13 CATAB v2.0e-lin.ifort 2018-May-31 15:41:27 2018-Dec-17 17:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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