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46944 (1998 SO102)
Classification: Main-belt Asteroid          SPK-ID: 2046944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129461273096583 4.7127e-08  
a 2.721055970054844 1.3956e-08 au
q 2.413723236044324 1.2825e-07 au
i 8.48474773972354 5.6212e-06 deg
node 22.42519971999385 2.6509e-05 deg
peri 175.4981447016496 3.2227e-05 deg
M 22.71018003863679 1.82e-05 deg
tp 2458497.075670095234
(2019-Jan-13.57567010)
8.2855e-05 TDB
period 1639.47439881022
4.49
1.2613e-05
3.453e-08
d
yr
n .2195825688167226 1.6894e-09 deg/d
Q 3.028388704065365 1.5533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1185  
   data-arc span      7540 days (20.64 yr)  
   first obs. used      1998-09-17  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52531  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:34:37  

Additional Information
 Earth MOID = 1.41201 au 
 Jupiter MOID = 1.92819 au 
 T_jup = 3.334 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO299283  
diameter diameter 9.209 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46944 (1998 SO102)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SO102 = 1999 XT195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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