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117818 (2005 JS3)
Classification: Main-belt Asteroid          SPK-ID: 2117818
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2826592435923797 3.5844e-08  
a 2.5632995374792 1.8983e-08 au
q 1.838759229114633 8.8878e-08 au
i 11.71795573057604 5.9686e-06 deg
node 3.138703948844098 2.1549e-05 deg
peri 286.0723458188257 2.61e-05 deg
M 203.8537824547686 1.8636e-05 deg
tp 2459650.669261597779
(2022-Mar-12.16926160)
8.1401e-05 TDB
period 1498.985616525737
4.10
1.6652e-05
4.559e-08
d
yr
n .2401624111873651 2.6679e-09 deg/d
Q 3.287839845843768 2.4349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      15457 days (42.32 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50826  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:50:40  

Additional Information
 Earth MOID = .864343 au 
 Jupiter MOID = 2.08526 au 
 T_jup = 3.348 
[ 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 14.9   n/a MPO453649  
diameter diameter 5.556 km 0.476 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.069   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

117818 (2005 JS3)          Discovered 2005-May-01 by Siding Spring Survey at Siding Spring
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 JS3 = 2338 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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