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JPL Small-Body Database Browser
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461661 (2005 GY123)
Classification: Main-belt Asteroid          SPK-ID: 2461661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924264784479595 3.5415e-07  
a 3.064952213018747 7.4784e-08 au
q 2.47517425205627 1.0393e-06 au
i 8.103261970353156 1.428e-05 deg
node 190.1542059927297 5.0838e-05 deg
peri 13.708019470441 0.00010748 deg
M 204.5981743035614 5.7396e-05 deg
tp 2459446.533586308261
(2021-Aug-20.03358631)
0.00029523 TDB
period 1959.900340333993
5.37
7.1732e-05
1.964e-07
d
yr
n .1836828090650014 6.7227e-09 deg/d
Q 3.654730173981225 8.9175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      4558 days (12.48 yr)  
   first obs. used      2005-03-04  
   last obs. used      2017-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54849  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:26:42  

Additional Information
 Earth MOID = 1.47317 au 
 Jupiter MOID = 1.30448 au 
 T_jup = 3.189 
[ 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 MPO419228  
diameter diameter 2.543 km 0.863 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

461661 (2005 GY123)          Discovered 2005-Mar-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-03-24

[ show close-approach data ]
Alternate Designations
 2005 GY123 = 2010 HN109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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