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215307 (2001 SS178)
Classification: Main-belt Asteroid          SPK-ID: 2215307
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2352680118284224 5.1592e-08  
a 2.372255181656217 9.7209e-09 au
q 1.814139421518286 1.2637e-07 au
i 5.66800773607842 5.0325e-06 deg
node 96.32107774502107 5.8169e-05 deg
peri 296.1332715929585 6.0388e-05 deg
M 37.07680657892505 1.4274e-05 deg
tp 2458863.051389650425
(2020-Jan-14.55138965)
5.2477e-05 TDB
period 1334.567463908097
3.65
8.2031e-06
2.246e-08
d
yr
n .2697503196622145 1.6581e-09 deg/d
Q 2.930370941794147 1.2008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      6619 days (18.12 yr)  
   first obs. used      2001-09-17  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61926  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:58:34  

Additional Information
 Earth MOID = .829077 au 
 Jupiter MOID = 2.5196 au 
 T_jup = 3.500 
[ 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 16.6   n/a MPO494186  
diameter diameter 3.076 km 0.549 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215307 (2001 SS178)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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