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186448 (2002 SK40)
Classification: Outer Main-belt Asteroid          SPK-ID: 2186448
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 .2355455005199877 7.2622e-08  
a 4.017253155510658 4.0386e-08 au
q 3.0710072502804 2.9148e-07 au
i 4.217855737823744 6.8234e-06 deg
node 137.2056154530651 9.0342e-05 deg
peri 229.022029696085 9.0958e-05 deg
M 97.45005194362604 1.1773e-05 deg
tp 2458404.392341383770
(2018-Oct-12.89234138)
9.0075e-05 TDB
period 2940.981060406591
8.05
4.4349e-05
1.214e-07
d
yr
n .1224081327304536 1.8459e-09 deg/d
Q 4.963499060740915 4.9898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      9674 days (26.49 yr)  
   first obs. used      1994-09-05  
   last obs. used      2021-03-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:18  

Additional Information
 Earth MOID = 2.07024 au 
 Jupiter MOID = .522337 au 
 T_jup = 2.999 
[ 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 14.48   n/a MPCxxxxx  
diameter diameter 7.077 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.051   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

186448 (2002 SK40)          Discovered 2002-Sep-30 by NEAT at Haleakala
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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