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11658 (1997 EQ17)
Classification: Main-belt Asteroid          SPK-ID: 2011658
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313003522741172 8.2139e-08  
a 3.180617505826706 3.6559e-08 AU
q 2.763001306862435 2.7089e-07 AU
i 24.15568227826356 8.0226e-06 deg
node 164.6615207762995 1.4391e-05 deg
peri 26.26307780662921 2.9384e-05 deg
M 357.3666730767794 2.3121e-05 deg
tp 2456815.655416387937
(2014-Jun-07.15541639)
0.00013303 JED
period 2071.884752153984
5.67
3.5723e-05
9.78e-08
d
yr
n .1737548382581294 2.9958e-09 deg/d
Q 3.598233704790976 4.136e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      12515 days (34.26 yr)  
   first obs. used      1980-03-16  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53045  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:26:43  

Additional Information
 Earth MOID = 1.78233 AU 
 T_jup = 3.050 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3 mag n/a MPO256951  

11658 (1997 EQ17)          Discovered 1997-Mar-01 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 EQ17 = 1980 FP9 = 1992 LB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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