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JPL Small-Body Database Browser
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46983 (1998 SX161)
Classification: Main-belt Asteroid          SPK-ID: 2046983
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .174523901710152 5.4805e-08  
a 2.521787841229234 8.1565e-09 au
q 2.081675587892687 1.3841e-07 au
i 3.990941053780833 4.434e-06 deg
node 146.5592802111815 6.5002e-05 deg
peri 244.0260125423638 6.5898e-05 deg
M 136.348362639422 1.062e-05 deg
tp 2458446.501392908660
(2018-Nov-24.00139291)
4.2144e-05 TDB
period 1462.720158072648
4.00
7.0965e-06
1.943e-08
d
yr
n .2461167968549456 1.1941e-09 deg/d
Q 2.961900094565781 9.58e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1272  
   data-arc span      10273 days (28.13 yr)  
   first obs. used      1992-03-03  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:36:13  

Additional Information
 Earth MOID = 1.09062 au 
 Jupiter MOID = 2.48414 au 
 T_jup = 3.431 
[ 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 15.2   n/a MPO319645  
rotation period rot_per 83.619 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

46983 (1998 SX161)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SX161 = 2000 CQ91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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