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118235 (1997 ES7)
Classification: Main-belt Asteroid          SPK-ID: 2118235
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190592875155921 3.5179e-08  
a 2.227063325188432 8.6533e-09 au
q 1.961910752439392 8.0494e-08 au
i 4.823480744617315 3.6692e-06 deg
node 168.6806493549628 4.3518e-05 deg
peri 29.21635850308161 4.6241e-05 deg
M 332.7441782325675 1.5595e-05 deg
tp 2459092.408156667664
(2020-Aug-30.90815667)
5.2769e-05 TDB
period 1213.940151307203
3.32
7.0752e-06
1.937e-08
d
yr
n .2965549822306662 1.7284e-09 deg/d
Q 2.492215897937472 9.6835e-09 au
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1997-03-07  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:18:43  

Additional Information
 Earth MOID = .96195 au 
 Jupiter MOID = 2.46361 au 
 T_jup = 3.631 
[ 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 16.6   n/a MPO453653  
diameter diameter 1.699 km 0.479 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.154   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118235 (1997 ES7)          Discovered 1997-Mar-07 by Osservatorio San Vittore at Bologna
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1997 ES7 = 2004 JW34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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