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215954 (2005 NS31)
Classification: Main-belt Asteroid          SPK-ID: 2215954
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2642084220104904 5.3028e-08  
a 2.640127973641551 2.527e-08 au
q 1.942583927819963 1.4623e-07 au
i 14.34383214155924 5.566e-06 deg
node 177.584235354156 1.823e-05 deg
peri 166.451092612941 1.992e-05 deg
M 24.93698244927615 9.7127e-06 deg
tp 2458491.963129841713
(2019-Jan-08.46312984)
4.1272e-05 TDB
period 1566.880569309519
4.29
2.2496e-05
6.159e-08
d
yr
n .2297558646468135 3.2986e-09 deg/d
Q 3.337672019463139 3.1946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      6166 days (16.88 yr)  
   first obs. used      2001-09-12  
   last obs. used      2018-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54629  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:35:55  

Additional Information
 Earth MOID = .937792 au 
 Jupiter MOID = 2.11353 au 
 T_jup = 3.302 
[ 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 15.8   n/a MPO454551  
diameter diameter 1.756 km 0.388 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.301   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215954 (2005 NS31)          Discovered 2005-Jul-05 by CSS at Catalina
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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