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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05813119326806786 3.5457e-08  
a 3.416550571191795 1.8295e-08 au
q 3.217942409627717 1.2312e-07 au
i 6.27747621702185 4.1603e-06 deg
node 41.45908822124859 3.2815e-05 deg
peri 12.1454320078727 4.8128e-05 deg
M 36.54775001949746 3.383e-05 deg
tp 2458766.326173779202
(2019-Oct-09.82617378)
0.00021681 TDB
period 2306.642061262695
6.32
1.8528e-05
5.073e-08
d
yr
n .1560710289844146 1.2536e-09 deg/d
Q 3.615158732755873 1.9359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3113  
   data-arc span      16405 days (44.91 yr)  
   first obs. used      1975-12-02  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40764  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:26:10  

Additional Information
 Earth MOID = 2.22914 au 
 Jupiter MOID = 1.66983 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-August); 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 23:15 00:03 Jupiter 1.90036828194802 1.90036750176106 1.90036906213553 3.72326763449948 3.60156799436891 2417504.468524012 3.08342457983484 71.8662211355743 16.7780105511919 -60.9561776576077 4757017.81945106 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
1920-Mar-28 21:38 00:03 Jupiter 1.98196611682902 1.98196570832969 1.98196652532845 3.49331511668153 3.36875658694592 2422412.401681240 2.67323889650812 67.0120212333216 14.0156145600399 -80.4350236344128 4606460.81566822 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
1933-Aug-27 21:03 00:02 Jupiter 1.91083685133039 1.91083637908241 1.9108373235787 3.22882889646924 3.08849314460892 2427312.376761017 2.24826835829808 98.6736190226683 16.3848835774351 84.6043704385662 3563538.32081372 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
1947-Jan-23 08:15 00:02 Jupiter 1.76417538601112 1.76417489642549 1.76417587559686 2.82656925441202 2.65127256884693 2432208.843655723 1.88532774232622 61.7787948262044 12.2190310988658 79.5239888538675 2721764.7860941 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
1960-Jul-15 14:39 00:02 Jupiter 1.64040353350963 1.64040310963545 1.64040395738362 2.23016589976811 1.98518003114185 2437131.110465263 1.59783247387487 62.9523939097452 6.61580414215424 79.086286145266 2820387.06436803 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
1974-Feb-12 08:02 00:01 Jupiter 1.58972709249653 1.58972667094774 1.58972751404524 2.37062769154441 2.13407020085002 2442090.834518383 1.21195376937775 63.7598840761532 14.7971299684239 -87.9220208671799 2833283.33512992 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
1987-Aug-23 06:42 < 00:01 Jupiter 1.64398218795264 1.64398176965064 1.64398260625463 3.27688133227544 3.11568597334529 2447030.779070828 0.765311713720122 61.0675538749724 15.3120539109363 -85.0906635204063 3161611.88137444 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2001-Feb-09 03:10 < 00:01 Jupiter 1.82542132910647 1.82542094411458 1.82542171409836 3.6736113046201 3.54505153901749 2451949.631624594 0.407133832161943 37.763368178659 14.360781231201 -77.0495377991634 4276457.00912757 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2014-Jul-23 02:14 < 00:01 Jupiter 1.97535809224372 1.97535770802474 1.97535847646269 3.61458651455272 3.49394431022855 2456861.592835093 0.196152717836112 38.3613566532386 14.2463835149591 -76.7222051839087 4760018.7311006 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2027-Dec-22 15:58 < 00:01 Jupiter 1.96282313610553 1.96282270278036 1.96282356943058 3.41368268651602 3.28483849422586 2461762.165236871 0.440738204125011 44.9891647303611 17.508713119702 -89.857495875267 3841434.23208784 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2041-May-16 19:11 < 00:01 Jupiter 1.83248347009308 1.83248300177482 1.83248393841146 3.0573258570989 2.90220404049577 2466656.299437006 0.805251612949984 63.9413013939767 14.5904869534639 80.5463478135088 3173295.21786609 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2054-Oct-23 20:11 00:01 Jupiter 1.69388938029197 1.69388896807686 1.69388979250708 2.46472948022414 2.25273156873732 2471564.340876184 1.25349199148524 53.6629348536399 8.21708488462384 80.2084328475661 2936277.91237515 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2068-May-11 22:19 00:02 Jupiter 1.59480172812309 1.59480132712177 1.59480212912432 2.12278210508518 1.85579487636959 2476513.429520411 1.76360423668133 66.6932307789375 20.8533790588265 -85.737838529099 3056667.88442567 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2081-Dec-04 19:58 00:02 Jupiter 1.58676343751933 1.58676296896604 1.58676390607262 2.9146846069084 2.72539465605304 2481468.332111903 2.08296357322252 88.0677470600036 14.0422953095087 -88.336967312343 2456391.5458065 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2095-May-31 20:02 00:02 Jupiter 1.74652925837802 1.74652858903198 1.74652992772416 3.54599311278032 3.40648172479441 2486394.334994278 2.39207105492611 50.9672288506691 21.9358752839583 -63.9683571698306 3190255.37195883 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2108-Nov-14 15:09 00:03 Jupiter 1.93310266011038 1.93310218227585 1.93310313794524 3.6426144305493 3.52027060637464 2491309.131353475 2.73195099698752 57.8070193680622 13.2033813200697 -70.5018033427817 5094609.63537029 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2122-Apr-20 14:24 00:03 Jupiter 1.99051806067643 1.9905176165103 1.99051850484268 3.55624057249708 3.43449991360819 2496214.099712712 3.04296579344152 81.9829457717535 17.056329330504 85.3660538234929 4410717.07927986 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2135-Sep-12 18:12 00:03 Jupiter 1.90353501289776 1.90353420554889 1.90353582024932 3.29621039582901 3.15833122090899 2501107.258118681 3.39023650362073 145.449446700823 16.9159972907131 78.573105451715 3408134.42345004 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2149-Feb-09 18:18 00:04 Jupiter 1.75259623604549 1.75259539652959 1.75259707556104 2.73049264152691 2.54735123868867 2506006.262738169 3.9215919879451 52.2410543696541 21.4885794674185 78.239019962896 1579862.29761602 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2162-Aug-16 19:43 00:05 Jupiter 1.62880658716891 1.62880596300043 1.62880721133841 2.11425660611598 1.85203350023972 2510942.321446671 4.66193343006684 129.645866412931 16.3729808744664 -87.6049974384286 3252607.91647602 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2176-Mar-15 13:29 00:05 Jupiter 1.56271577977957 1.56271538138183 1.56271617817732 2.5546216976121 2.33282080376023 2515902.061663223 5.00522310090236 171.716368096922 16.4210698450439 -79.2052300550821 2345104.6916146 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26
2189-Sep-19 03:15 00:05 Jupiter 1.6549802069021 1.654978953363 1.6549814604409 3.30761155829759 3.14907761330038 2520837.635559415 5.19924501645909 53.5919930273953 50.7993782377675 48.540746136754 1535727.72343724 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 03:26:18 2020-Nov-13 03:26

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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