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186360 (2002 GU54)
Classification: Main-belt Asteroid          SPK-ID: 2186360
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03601707503682425 6.2259e-08  
a 3.07046290640326 2.3591e-08 au
q 2.959873813505549 1.941e-07 au
i 1.753799989841767 6.6416e-06 deg
node 156.8511361688226 0.00014224 deg
peri 204.7758088778424 0.00015761 deg
M 6.958315317952313 6.4849e-05 deg
tp 2459162.515552496180
(2020-Nov-09.01555250)
0.00035416 TDB
period 1965.188479759669
5.38
2.2649e-05
6.201e-08
d
yr
n .1831885357093208 2.1112e-09 deg/d
Q 3.181051999300972 2.4441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      9959 days (27.27 yr)  
   first obs. used      1993-09-09  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:57  

Additional Information
 Earth MOID = 1.95448 au 
 Jupiter MOID = 1.99014 au 
 T_jup = 3.229 
[ 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 15.78   n/a E2021B55  

186360 (2002 GU54)          Discovered 2002-Apr-05 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2002 GU54 = 1993 RF21 = 1998 MS30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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