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201109 (2002 GY178)
Classification: Main-belt Asteroid          SPK-ID: 2201109
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02799693904645914 1.1454e-07  
a 2.727576631780808 3.0114e-08 au
q 2.651212835076294 3.2817e-07 au
i 1.672500936537653 1.0133e-05 deg
node 169.6284611963712 0.00018311 deg
peri 199.7190948308944 0.00021342 deg
M 198.924571131252 0.00011188 deg
tp 2459736.691271421963
(2022-Jun-06.19127142)
0.00051607 TDB
period 1645.371113230838
4.50
2.7249e-05
7.46e-08
d
yr
n .2187956243458697 3.6234e-09 deg/d
Q 2.803940428485321 3.0957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      7534 days (20.63 yr)  
   first obs. used      1999-09-30  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:07:34  

Additional Information
 Earth MOID = 1.64912 au 
 Jupiter MOID = 2.30361 au 
 T_jup = 3.355 
[ 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 16.9   n/a MPO418071  

201109 (2002 GY178)          Discovered 2002-Apr-10 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2002 GY178 = 2004 TJ303 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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