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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 ]

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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 .1746960170011211 5.459e-08  
a 2.521372385122194 8.1198e-09 au
q 2.08089867206473 1.3781e-07 au
i 3.991115463010063 4.4343e-06 deg
node 146.5615794177241 6.4588e-05 deg
peri 243.9931517963235 6.548e-05 deg
M 185.6136469071094 1.0701e-05 deg
tp 2459908.876115501532
(2022-Nov-25.37611550)
4.5026e-05 TDB
period 1462.358705584675
4.00
7.0641e-06
1.934e-08
d
yr
n .2461776297601799 1.1892e-09 deg/d
Q 2.961846098179658 9.5383e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1279  
   data-arc span      10306 days (28.22 yr)  
   first obs. used      1992-03-03  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:54:30  

Additional Information
 Earth MOID = 1.08865 au 
 Jupiter MOID = 2.4854 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 15.21   n/a E2021B10  
rotation period rot_per 83.619 h n/a LCDB (Rev. 2020-October); 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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