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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139025986777605 4.5922e-08  
a 2.720665882087533 1.2907e-08 au
q 2.410774967983841 1.2461e-07 au
i 8.481406323575067 5.4199e-06 deg
node 22.32851856402094 2.5348e-05 deg
peri 175.3176809859931 3.0866e-05 deg
M 110.7121522445613 1.7112e-05 deg
tp 2458496.414697087400
(2019-Jan-12.91469709)
7.7941e-05 TDB
period 1639.121861235884
4.49
1.1664e-05
3.193e-08
d
yr
n .2196297959985496 1.5629e-09 deg/d
Q 3.030556796191225 1.4377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1715  
   data-arc span      7608 days (20.83 yr)  
   first obs. used      1998-09-17  
   last obs. used      2019-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45993  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:13:51  

Additional Information
 Earth MOID = 1.40882 au 
 Jupiter MOID = 1.9248 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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