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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04895863226547637 5.2877e-08  
a 2.609850575748132 1.4446e-08 au
q 2.482075861142238 1.3467e-07 au
i 27.61532989706733 5.648e-06 deg
node 304.8936217096524 1.1595e-05 deg
peri 350.8051065444459 6.4691e-05 deg
M 37.2322412057896 6.546e-05 deg
tp 2458441.228316689373
(2018-Nov-18.72831669)
0.00027984 TDB
period 1540.004150566948
4.22
1.2787e-05
3.501e-08
d
yr
n .2337656037274101 1.941e-09 deg/d
Q 2.737625290354027 1.5154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1504  
   data-arc span      15883 days (43.49 yr)  
   first obs. used      1976-05-05  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42562  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:29:36  

Additional Information
 Earth MOID = 1.46713 au 
 Jupiter MOID = 2.52548 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 12.9   n/a MPO449298  
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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