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7088 Ishtar (1992 AA)
Classification: Amor [NEO]          SPK-ID: 2007088
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 163 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3911922550861581 3.5911e-08  
a 1.980415710603235 3.5272e-09 au
q 1.205692422764299 7.2166e-08 au
i 8.304504929784226 4.0159e-06 deg
node 102.6504363290068 2.888e-05 deg
peri 354.7348863705705 3.0082e-05 deg
M 284.8283977124539 6.7135e-06 deg
tp 2458813.061339323222
(2019-Nov-25.56133932)
1.9316e-05 TDB
period 1017.965293112258
2.79
2.7196e-06
7.446e-09
d
yr
n .353646634552108 9.448e-10 deg/d
Q 2.755138998442171 4.9071e-09 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      14154 days (38.75 yr)  
   first obs. used      1981-03-03  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47703  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 04:33:59  

Additional Information
 Earth MOID = .223026 au 
 Jupiter MOID = 2.4424 au 
 T_jup = 3.751 
[ 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 16.8   n/a MPO395068  
diameter diameter 1.298 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 2.6790 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Reddy, V.; Dyvig, R.; Pravec, P.; Kusnirak, P. (2005) IAUC 8483.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Scheirich, P.; Kusnirak, P.; Hornoch, K.; et al. (2016) Icarus 267, 267-295.]
geometric albedo albedo 0.260   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

7088 Ishtar (1992 AA)          Discovered 1992-Jan-01 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1900-Jan-01 05:01 < 00:01 Earth 0.237367350610432 0.23736572287658 0.237368978356859 4.78122951421225 4.77888118787578 2415020.709327830 0.370524864787606 119.65819767174 16.0993310063834 -47.8607248795531 1358769.59988238 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
1914-Jan-27 17:19 < 00:01 Earth 0.434817193153929 0.434813842631368 0.434820543710649 4.0654904009998 4.06398284574791 2420160.221682086 0.743180665151966 255.726010121 19.851096882121 49.3761322319975 1736590.48571117 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
1938-Dec-19 11:32 < 00:01 Earth 0.293038105655959 0.293036085855899 0.293040125601671 4.89949707244949 4.8976408969747 2429251.980797533 0.325372120300523 348.577958020553 21.7450563334335 -73.5791635740494 1861756.02213214 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
1953-Jan-05 01:21 < 00:01 Earth 0.259023660294907 0.259022244775897 0.259025075816699 4.82911784195885 4.82698724681582 2434382.556264962 0.237721554550868 82.9542587248358 16.3673426142261 -32.4025460148312 1166816.01137985 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
1967-Feb-07 17:30 < 00:01 Earth 0.499655244743056 0.499653774523345 0.499656715247981 3.70523008330474 3.70379058520582 2439529.229181168 0.323857375822566 609.182582467498 12.8191638339921 83.1919294730573 1588394.86924995 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
1977-Nov-22 10:36 < 00:01 Earth 0.4758144363108 0.475813279087626 0.475815593550067 3.30337182813143 3.30167620724486 2443469.941696353 0.300654813506287 162.780127100884 24.3719682890123 -71.0022346457058 1631777.88968462 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
1991-Dec-24 14:36 < 00:01 Earth 0.255259050807343 0.255258702773803 0.255259398843219 4.88485588692223 4.8827185426918 2448615.108538089 0.0762261440049369 69.110125243596 14.1759326649941 -81.4922401913795 1831115.72828748 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2006-Jan-10 10:34 < 00:01 Earth 0.300986213766472 0.300985879571652 0.300986547961342 4.83163008706484 4.82979754292771 2453745.940358066 0.0544035421364789 19.6752697207134 13.0239983291694 45.1194760993687 2320196.6371811 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2030-Dec-03 02:30 < 00:01 Earth 0.418658323303718 0.418657490023459 0.418659156781476 4.00629307284272 4.00470417476327 2462838.604196898 0.202665717044313 514.642802340457 19.4196216651843 -85.8974822695655 1709511.58455035 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2044-Dec-27 06:04 < 00:01 Earth 0.234579838195052 0.234579259838597 0.234580416551534 4.83284906106842 4.8304982155957 2467976.752637843 0.128428488914002 32.6828321393764 27.9770165073011 65.5308733156623 1073659.54421672 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2059-Jan-17 17:22 < 00:01 Earth 0.354886765186328 0.354885002924164 0.354888527449076 4.65615338079614 4.65454061800379 2473111.223504646 0.318825894512981 90.9066581671802 20.1257744049525 -15.1606373617388 1170991.69910636 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2083-Dec-08 09:28 < 00:01 Earth 0.391085445792427 0.391082746605948 0.391088148607035 4.3240799206553 4.3225040297979 2482201.894773594 0.588294882899912 1908.3522606282 21.7061997178897 -86.0025427123441 1653128.78773145 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2097-Dec-30 15:59 < 00:01 Earth 0.225555196387387 0.22555483212086 0.225555560658812 4.79339661970698 4.79093155774903 2487338.166236642 0.285636705048942 62.2928848940915 8.64012108820223 74.9896596190389 2685821.74206937 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2112-Jan-25 06:22 < 00:01 Earth 0.395294864790405 0.395290992029725 0.395298737552501 4.3549714964926 4.35342345334043 2492475.765491654 0.823595472814234 196.720822797489 22.7238218047212 10.8894691032223 1237857.9408475 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2136-Dec-14 06:54 < 00:01 Earth 0.356514499115509 0.35650970678054 0.356519295845134 4.64616465601794 4.64455580524954 2501565.787570546 0.92735254831839 1989.68071839909 8.03495042448678 -83.099754247455 1982015.07874922 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2151-Jan-03 18:11 < 00:01 Earth 0.226704881121785 0.226703757890509 0.226706004388551 4.81830661337935 4.81586674148163 2506699.257631003 0.496790275895464 156.040694304952 13.2933506525877 -69.5165109854886 1834788.43724202 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2165-Jan-30 13:37 00:01 Earth 0.43197533543196 0.431969052925452 0.431981618017535 4.01623179927434 4.01469570561558 2511840.067201461 1.45383495272351 428.348672191585 21.1979004336244 43.0173314726557 1676007.77798465 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
2189-Dec-18 21:50 00:01 Earth 0.326622658535897 0.326615368328148 0.326629951273516 4.83331869073146 4.83163059736463 2520928.409889865 1.2833416684328 1481.92825392212 23.2918521870439 -75.8223810008321 2282184.79769135 T 163 CATAB v2.0f-lin.ifort 2019-Dec-05 04:34:09 2019-Dec-05 04:34
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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