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175732 (1998 EW8)
Classification: Main-belt Asteroid          SPK-ID: 2175732
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262246877483912 3.9633e-08  
a 2.240463365445434 1.0957e-08 au
q 1.957661576730375 8.6878e-08 au
i 4.827182276711411 6.0686e-06 deg
node 7.058047444835563 4.4269e-05 deg
peri 234.6857502480736 5.0478e-05 deg
M 220.6673554346441 2.3144e-05 deg
tp 2459674.584303893787
(2022-Apr-05.08430389)
7.9441e-05 TDB
period 1224.912869013321
3.35
8.9858e-06
2.46e-08
d
yr
n .2938984552346024 2.156e-09 deg/d
Q 2.523265154160494 1.234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      8342 days (22.84 yr)  
   first obs. used      1998-03-06  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58555  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:35  

Additional Information
 Earth MOID = .948638 au 
 Jupiter MOID = 2.49108 au 
 T_jup = 3.620 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO436871  

175732 (1998 EW8)          Discovered 1998-Mar-06 by Teide at Teide
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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