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136989 (1998 SX33)
Classification: Inner Main-belt Asteroid          SPK-ID: 2136989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09678464466666552 6.6291e-08  
a 1.920381585975517 8.2946e-09 au
q 1.734518136552469 1.2826e-07 au
i 21.37213979535247 1.0756e-05 deg
node 8.287982044104288 1.0838e-05 deg
peri 298.7435232337656 5.5113e-05 deg
M 96.23667366867437 5.5907e-05 deg
tp 2458740.652926983151
(2019-Sep-14.15292698)
0.00015061 TDB
period 972.030128640193
2.66
6.2977e-06
1.724e-08
d
yr
n .3703588905249435 2.3995e-09 deg/d
Q 2.106245035398565 9.0974e-09 au
  Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      8020 days (21.96 yr)  
   first obs. used      1998-09-21  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:48:16  

Additional Information
 Earth MOID = .784891 au 
 Jupiter MOID = 3.118 au 
 T_jup = 3.836 
[ 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 16.6   n/a MPO432831  

136989 (1998 SX33)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 SX33 = 2000 GX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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