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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 181 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3911922771479222 3.2109e-08  
a 1.980415710042157 3.1106e-09 au
q 1.205692378731246 6.4256e-08 au
i 8.304502217544806 3.9784e-06 deg
node 102.6504236524045 2.7661e-05 deg
peri 354.7348987356602 2.8932e-05 deg
M 284.828398717195 6.5297e-06 deg
tp 2458813.061336391802
(2019-Nov-25.56133639)
1.8743e-05 TDB
period 1017.965292679653
2.79
2.3983e-06
6.566e-09
d
yr
n .3536466347023972 8.3319e-10 deg/d
Q 2.755139041353067 4.3274e-09 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      14208 days (38.90 yr)  
   first obs. used      1981-03-03  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-27 05:39:55  

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 16.7   n/a MPO502220  
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 0.23736724226145 0.237365819142555 0.237368665390572 4.78122852398114 4.77888019608589 2415020.709311913 0.329995930941165 106.604593236155 15.2061306813571 -48.9351327878988 1441102.81987413 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
1914-Jan-27 17:19 < 00:01 Earth 0.434817047033672 0.434814071573491 0.434820022519607 4.06548995704731 4.06398240112403 2420160.221660255 0.661652827490315 224.407085158436 19.2816788790103 48.8201030167997 1746011.25990825 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
1938-Dec-19 11:32 < 00:01 Earth 0.2930381583199 0.293036349127249 0.293039967624622 4.89949604985802 4.89763987432933 2429251.980784134 0.294117288534956 307.559513282876 21.1680001969583 -73.3913084794113 1940387.44230394 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
1953-Jan-05 01:21 < 00:01 Earth 0.259023573903009 0.259022332755333 0.25902481505304 4.82911690048531 4.82698630421594 2434382.556255227 0.211695871300212 73.8514696888182 15.5268645125621 -33.9238893209747 1258324.68196343 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
1967-Feb-07 17:30 < 00:01 Earth 0.499655196570399 0.499653879223224 0.499656514140643 3.7052283843239 3.70378888542585 2439529.229176783 0.292902886398346 540.641155292484 12.6591059772866 83.1492028487145 1597433.62167248 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
1977-Nov-22 10:36 < 00:01 Earth 0.475814465235822 0.475813431132948 0.475815499352085 3.30337077270591 3.30167515138042 2443469.941684368 0.27012829089009 150.41936507002 23.4081298460795 -71.955755517436 1699318.48058061 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
1991-Dec-24 14:36 < 00:01 Earth 0.255259017732952 0.255258681577249 0.255259353890324 4.884855123434 4.88271777859236 2448615.108536274 0.0733246230277128 62.1999852508584 14.0753008037969 -81.3620351175004 1871449.94325678 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2006-Jan-10 10:34 < 00:01 Earth 0.30098620011056 0.300985878879737 0.3009865213414 4.83162933217428 4.82979678766756 2453745.940354383 0.0519366803582871 17.966448604677 12.7650675087728 39.9948329748784 2335528.97718943 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2030-Dec-03 02:30 < 00:01 Earth 0.418658257744776 0.418657513561855 0.418659002066748 4.00629303833144 4.00470413998944 2462838.604202325 0.176908862431085 446.800923367048 19.2683722243537 -85.9194684889305 1750953.8467243 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2044-Dec-27 06:04 < 00:01 Earth 0.234579767792593 0.234579277116852 0.234580258468333 4.83284787939625 4.83049703264274 2467976.752637649 0.111401577995706 30.4329348996647 24.3420147571708 82.2451078534732 1209005.32269583 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2059-Jan-17 17:22 < 00:01 Earth 0.35488684702977 0.354885276943033 0.35488841711685 4.65615180567463 4.65453904270851 2473111.223514870 0.282979445569252 80.2757933661294 19.0694058072891 -13.0672020742238 1193502.25687146 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2083-Dec-08 09:28 < 00:01 Earth 0.391085298766993 0.391082904321098 0.391087695955725 4.32408067395123 4.32250478277593 2482201.894791060 0.518000209824491 1664.13245445712 21.201135086561 -85.9452532465524 1673448.13839041 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2097-Dec-30 15:59 < 00:01 Earth 0.225555140763465 0.225554833934821 0.225555447595531 4.79339553550244 4.79093047237858 2487338.166243426 0.251531951196064 54.0233400724397 8.17049579346907 75.9816912551351 2710369.42706252 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2112-Jan-25 06:22 < 00:01 Earth 0.395295039105985 0.395291594716854 0.395298483496465 4.35496883264516 4.35342078922851 2492475.765515675 0.731139536221442 175.625786084841 21.4110958100412 11.9867318303715 1350039.00399653 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2136-Dec-14 06:54 < 00:01 Earth 0.356514266287819 0.356510005381626 0.356518530642672 4.64616525748104 4.64455640587012 2501565.787595483 0.820640115046101 1762.86959979353 7.85978208049741 -83.0767018427178 2023562.11720752 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2151-Jan-03 18:11 < 00:01 Earth 0.226704889579313 0.226703859665233 0.22670591952079 4.81830572931011 4.81586585705554 2506699.257641961 0.441007163348505 138.183666011442 12.6950553479494 -68.7996144454423 1883766.9368986 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2165-Jan-30 13:37 00:01 Earth 0.431975608342217 0.431970009615598 0.431981207133612 4.01622779227963 4.01469169805837 2511840.067245383 1.29348512304004 384.583980338003 19.9491055596317 43.4800990998779 1686071.63590367 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
2189-Dec-18 21:50 00:01 Earth 0.326622324127695 0.326615828071578 0.326628822211366 4.83331890802267 4.83163081300312 2520928.409923357 1.13991059988347 1326.73219459627 22.4265046537064 -75.8953992334717 2366776.46979549 T 181 CATAB v2.0f-lin.ifort 2020-Jan-27 05:40:15 2020-Jan-27 05:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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