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46959 (1998 SW129)
Classification: Main-belt Asteroid          SPK-ID: 2046959
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441192557361526 3.4744e-08  
a 2.676141301495124 1.0724e-08 au
q 2.290457808878868 9.5373e-08 au
i 13.11309666026547 5.7069e-06 deg
node 20.50417273689866 1.5692e-05 deg
peri 94.48490465572924 2.5756e-05 deg
M 305.7766945963821 2.0057e-05 deg
tp 2459441.349348193239
(2021-Aug-14.84934819)
8.9605e-05 TDB
period 1599.049794256563
4.38
9.6119e-06
2.632e-08
d
yr
n .2251337020854768 1.3533e-09 deg/d
Q 3.06182479411138 1.227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1691  
   data-arc span      9116 days (24.96 yr)  
   first obs. used      1996-03-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:54:14  

Additional Information
 Earth MOID = 1.35043 au 
 Jupiter MOID = 2.12605 au 
 T_jup = 3.327 
[ 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 13.96   n/a E2021B10  

46959 (1998 SW129)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SW129 = 1996 FK16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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