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7710 Ishibashi (1994 WT2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2007710
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05777359470042283 3.6748e-08  
a 3.415325822858317 1.9828e-08 au
q 3.218010172998612 1.2946e-07 au
i 6.278872061841751 4.4624e-06 deg
node 41.46373498339786 3.6654e-05 deg
peri 12.31994845715792 5.2894e-05 deg
M 333.9471223534025 3.7583e-05 deg
tp 2458767.339868420193
(2019-Oct-10.83986842)
0.00024087 TDB
period 2305.401861782954
6.31
2.0076e-05
5.497e-08
d
yr
n .1561549879731522 1.3598e-09 deg/d
Q 3.612641472718022 2.0973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2831  
   data-arc span      16067 days (43.99 yr)  
   first obs. used      1975-12-02  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 21:47:40  

Additional Information
 Earth MOID = 2.22878 au 
 Jupiter MOID = 1.67159 au 
 T_jup = 3.131 
[ show covariance matrix ]

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 12.4   n/a MPO365341  
diameter diameter 17.498 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.521 h n/a LCDB (Rev. 2019-January); 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.]
geometric albedo albedo 0.069   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7710 Ishibashi           Discovered 1994 Nov. 30 by T. Kobayashi at Oizumi.
Tadashi Ishibashi (b. 1926), retired sea captain, became interested in stars in 1936 and has observed meteors since 1940. Since 1947 he has collected and studied ancient documents about the stars. Currently he lectures on star topics aboard large passenger ships.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

[ 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
1906-Oct-20 23:14 00:03 Jupiter 1.90036798549782 1.90036717409578 1.90036879690051 3.72326677857782 3.60156709021958 2417504.468137446 3.24651387403803 77.3996158425065 17.9069259355057 -62.1324115701016 4675984.15781125 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
1920-Mar-28 21:38 00:03 Jupiter 1.98196597654876 1.98196554641222 1.98196640668541 3.49331510501226 3.36875656586616 2422412.401364780 2.81717267744561 70.715185281638 15.5520134391739 -81.7521639360191 4147338.00324043 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
1933-Aug-27 21:02 00:02 Jupiter 1.91083693347208 1.91083638720176 1.91083747974294 3.22882900775536 3.08849326712139 2427312.376498717 2.37642031137272 105.568274444452 17.8729489823165 83.1797052423751 3222136.92795453 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
1947-Jan-23 08:15 00:02 Jupiter 1.76417557758696 1.7641750369731 1.76417611820093 2.82656932231279 2.65127266090234 2432208.843447692 1.99610195097 64.5938239840461 13.3718921517974 78.9658693587934 2525187.78893467 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
1960-Jul-15 14:39 00:02 Jupiter 1.64040359554291 1.64040314999141 1.64040404109431 2.23016621877518 1.98518039935274 2437131.110317864 1.68933800514894 70.1810022707243 6.89973077948484 78.8325348995739 2744392.0652685 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
1974-Feb-12 08:02 00:01 Jupiter 1.58972697493137 1.58972651991926 1.58972742994329 2.37062738987137 2.13406984727337 2442090.834385281 1.27176631627415 66.177746513269 14.9605910524694 -87.7474668353946 2487685.07534283 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
1987-Aug-23 06:42 < 00:01 Jupiter 1.64398202628469 1.64398156416751 1.64398248840177 3.27688000567035 3.11568456184408 2447030.779015487 0.789016149186654 62.0524382591319 16.8491399275834 -84.2873249204307 2848756.91375063 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2001-Feb-09 03:10 < 00:01 Jupiter 1.82542114640825 1.82542074548813 1.82542154732847 3.67361008707519 3.54505026421854 2451949.631669404 0.408651870672119 42.4163012728768 14.7289574727872 -77.4600787675185 4174984.09982307 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2014-Jul-23 02:14 < 00:01 Jupiter 1.97535791624969 1.97535751343674 1.97535831906276 3.61458603295771 3.49394380107043 2456861.592945603 0.221172519262107 41.8340647892968 14.5890826631907 -76.2150303346913 4607003.79329201 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2027-Dec-22 15:58 < 00:01 Jupiter 1.9628230618176 1.96282261174782 1.96282351188737 3.41368252902837 3.28483832558887 2461762.165385921 0.487333373048404 45.6099059341027 18.0901388531095 -89.1972283697045 3583176.57008504 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2041-May-16 19:11 < 00:01 Jupiter 1.83248352345958 1.83248304876141 1.83248399815784 3.05732554647384 2.90220371790617 2466656.299645861 0.866952739529794 64.4491912848512 15.1529110460902 80.8719143846822 3045583.61520372 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2054-Oct-23 20:11 00:01 Jupiter 1.69388942350017 1.69388899776547 1.69388984923487 2.46472924806134 2.25273132038851 2471564.341170392 1.3419223521948 59.6705937081765 8.44650600252849 80.5915864027559 2889435.73040585 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2068-May-11 22:19 00:02 Jupiter 1.5948016303158 1.59480118483485 1.59480207579665 2.12278260716459 1.85579543312968 2476513.429864569 1.89012308900127 73.9041446305114 21.6723539332098 -86.2189802039901 2898085.41191897 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2081-Dec-04 19:59 00:02 Jupiter 1.58676335739212 1.58676287669942 1.58676383808474 2.91468426414145 2.72539427958894 2481468.332497021 2.23999722989508 97.0604176584675 15.0282633924461 -87.0095239814746 2325137.25650337 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2095-May-31 20:03 00:03 Jupiter 1.74652924476701 1.74652856180997 1.74652992772416 3.54599198745841 3.40648055227578 2486394.335446329 2.57888197043701 53.3359551749265 22.7036815043234 -64.867428413525 3176085.75907271 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2108-Nov-14 15:10 00:03 Jupiter 1.9331025642943 1.93310204196231 1.93310308662672 3.64261362921704 3.52026977102332 2491309.131887792 2.94405521987594 63.816309423719 13.8129114412303 -70.1873746911644 4975110.38089327 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2122-Apr-20 14:24 00:03 Jupiter 1.99051791117997 1.99051745860347 1.99051836375658 3.55624016454841 3.43449948189392 2496214.100302017 3.26592275708806 86.38304289012 17.7838394051991 86.4159269955618 4058098.40062643 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2135-Sep-12 18:13 00:04 Jupiter 1.90353491535169 1.90353410514143 1.90353572556487 3.29620979888703 3.15833059068728 2501107.258730628 3.6237380829646 152.04068722484 17.9761969531984 79.2016556251876 3218826.39435049 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2149-Feb-09 18:19 00:04 Jupiter 1.75259618108446 1.75259532521682 1.7525970369518 2.73049172431138 2.54735024958031 2506006.263467235 4.18327123673593 55.9645122664296 22.1592178261486 79.8651018260726 1545348.42640374 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2162-Aug-16 19:44 00:05 Jupiter 1.62880645739625 1.62880577820248 1.62880713659122 2.11425676992243 1.85203366486772 2510942.322278336 4.97170932278482 139.589879445593 18.3937500959215 -88.0603006086132 3097841.43602294 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2176-Mar-15 13:30 00:05 Jupiter 1.56271567716929 1.56271524241128 1.56271611192722 2.55462243060677 2.33282159119072 2515902.062500097 5.34514229522317 186.792713264414 16.9631770992106 -78.8342915499154 2159611.45482641 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48
2189-Sep-19 03:16 00:06 Jupiter 1.65498035004401 1.65497906354874 1.65498163653891 3.30761101648341 3.14907705826666 2520837.636458034 5.56055101368614 56.7464793462357 51.1414103929867 49.1775128797321 1511823.10383762 T 27 CATAB v2.0f-lin.ifort 2019-Dec-03 21:47:58 2019-Dec-03 21:48

Alternate Designations
 1994 WT2 = 1975 XN3 = 1981 UY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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