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186361 (2002 GK55)
Classification: Main-belt Asteroid          SPK-ID: 2186361
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2077627541171536 3.7076e-08  
a 3.106177541371785 2.087e-08 au
q 2.460829540599534 1.1471e-07 au
i 9.911869164095293 4.3835e-06 deg
node 224.9191960477619 2.1922e-05 deg
peri 42.82740186029886 2.5042e-05 deg
M 92.58980736518647 9.9244e-06 deg
tp 2458686.221321120864
(2019-Jul-21.72132112)
5.4743e-05 TDB
period 1999.575651629461
5.47
2.0153e-05
5.518e-08
d
yr
n .1800381994582875 1.8145e-09 deg/d
Q 3.751525542144036 2.5207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      6850 days (18.75 yr)  
   first obs. used      2002-04-05  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49912  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:58  

Additional Information
 Earth MOID = 1.45448 au 
 Jupiter MOID = 1.37824 au 
 T_jup = 3.164 
[ 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 14.80   n/a E2021B55  
diameter diameter 9.142 km 2.784 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.028   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

186361 (2002 GK55)          Discovered 2002-Apr-05 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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