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180157 (2003 GU50)
Classification: Main-belt Asteroid          SPK-ID: 2180157
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06872954615361475 4.6785e-08  
a 3.128476955478151 2.8637e-08 au
q 2.913458154176095 1.6169e-07 au
i 10.61434032450692 4.034e-06 deg
node 146.6022324497973 2.7599e-05 deg
peri 133.103951788287 5.0417e-05 deg
M .6296928147784587 3.9598e-05 deg
tp 2459196.964717656086
(2020-Dec-13.46471766)		 0.00022233 TDB
period 2021.146841665577
5.53		 2.7751e-05
7.598e-08		 d
yr
n .178116697203125 2.4456e-09 deg/d
Q 3.343495756780207 3.0605e-08 au
   Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      6729 days (18.42 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5769  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:22  

Additional Information
 Earth MOID = 1.90745 au 
 Jupiter MOID = 1.86223 au 
 T_jup = 3.184 
[ 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 15.34   n/a E2021B55  

180157 (2003 GU50)          Discovered 2003-Apr-08 by NEAT at Haleakala
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2003 GU50 = 2004 NM28 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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