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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 232 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3911476547923169 2.3859e-08  
a 1.980335949184858 2.5521e-09 au
q 1.205732186960284 4.7216e-08 au
i 8.304519933705183 3.3052e-06 deg
node 102.6491624225122 2.6848e-05 deg
peri 354.7187906538543 2.792e-05 deg
M 66.30165902225707 6.5898e-06 deg
tp 2458813.031360043176
(2019-Nov-25.53136004)
1.84e-05 TDB
period 1017.903795767783
2.79
1.9677e-06
5.387e-09
d
yr
n .3536680003520957 6.8366e-10 deg/d
Q 2.754939711409432 3.5503e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1225  
   data-arc span      14376 days (39.36 yr)  
   first obs. used      1981-03-03  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-13 07:07:53  

Additional Information
 Earth MOID = .222953 au 
 Jupiter MOID = 2.44204 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-August); 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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