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186861 (2004 GD86)
Classification: Main-belt Asteroid          SPK-ID: 2186861
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333775046930819 4.6608e-08  
a 2.595176579907083 1.6995e-08 au
q 2.24903840344115 1.2587e-07 au
i 8.437490700224187 5.0578e-06 deg
node 53.74059911873592 2.8654e-05 deg
peri 355.4931861053654 3.5448e-05 deg
M 146.6062415026627 2.25e-05 deg
tp 2458578.631217449787
(2019-Apr-05.13121745)
9.1254e-05 TDB
period 1527.034316025425
4.18
1.5e-05
4.107e-08
d
yr
n .2357510870724964 2.3158e-09 deg/d
Q 2.941314756373016 1.9262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      6678 days (18.28 yr)  
   first obs. used      2003-01-04  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:31  

Additional Information
 Earth MOID = 1.2587 au 
 Jupiter MOID = 2.43004 au 
 T_jup = 3.390 
[ 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 16.22   n/a E2021B55  
diameter diameter 1.771 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.224   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

186861 (2004 GD86)          Discovered 2004-Apr-14 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2004 GD86 = 2003 AV89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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