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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114276333447199 4.1701e-08  
a 2.719242915515923 1.1358e-08 au
q 2.408497805378492 1.1039e-07 au
i 8.483938649778308 4.163e-06 deg
node 22.31039906349082 2.1886e-05 deg
peri 175.1249892117448 2.6088e-05 deg
M 154.8734367074308 1.5298e-05 deg
tp 2458495.896379612567
(2019-Jan-12.39637961)
6.8356e-05 TDB
period 1637.836085594565
4.48
1.0262e-05
2.81e-08
d
yr
n .2198022153537503 1.3772e-09 deg/d
Q 3.029988025653355 1.2656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1964  
   data-arc span      8118 days (22.23 yr)  
   first obs. used      1998-09-17  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:54:00  

Additional Information
 Earth MOID = 1.40585 au 
 Jupiter MOID = 1.92421 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 14.24   n/a E2021B10  
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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