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46925 (1998 SS27)
Classification: Main-belt Asteroid          SPK-ID: 2046925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04880144799705362 2.1157e-08  
a 2.610937886908404 1.2045e-08 au
q 2.483520337396907 5.5853e-08 au
i 27.6155068404143 4.5025e-07 deg
node 304.8885232025659 1.3089e-06 deg
peri 351.3403771463198 1.7842e-05 deg
M 176.9151683073087 1.707e-05 deg
tp 2458443.221186913398
(2018-Nov-20.72118691)
7.0755e-05 TDB
period 1540.966641354484
4.22
1.0663e-05
2.919e-08
d
yr
n .2336195932726785 1.6166e-09 deg/d
Q 2.738355436419902 1.2633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2338  
   data-arc span      16390 days (44.87 yr)  
   first obs. used      1976-05-05  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:40:50  

Additional Information
 Earth MOID = 1.46723 au 
 Jupiter MOID = 2.527 au 
 T_jup = 3.247 
[ 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 13.05   n/a E2021B10  
diameter diameter 16.091 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46925 (1998 SS27)          Discovered 1998-Sep-25 by CSS at Catalina
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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