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186050 (2001 SA40)
Classification: Main-belt Asteroid          SPK-ID: 2186050
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2193927277324898 4.6234e-08  
a 2.783198056612161 1.4061e-08 au
q 2.172584643152255 1.2737e-07 au
i 8.636749895051103 5.4725e-06 deg
node 40.56951553690792 3.1049e-05 deg
peri 15.85960145971174 3.3427e-05 deg
M 23.01814149952808 1.0864e-05 deg
tp 2459092.061787431292
(2020-Aug-30.56178743)
5.0997e-05 TDB
period 1695.956058204584
4.64
1.2852e-05
3.519e-08
d
yr
n .2122696506542229 1.6086e-09 deg/d
Q 3.393811470072068 1.7146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55332  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:49:42  

Additional Information
 Earth MOID = 1.18482 au 
 Jupiter MOID = 1.99844 au 
 T_jup = 3.280 
[ 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 15.69   n/a E2021B55  
diameter diameter 5.039 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186050 (2001 SA40)          Discovered 2001-Sep-16 by LINEAR at Socorro
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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