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101327 (1998 SW161)
Classification: Main-belt Asteroid          SPK-ID: 2101327
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2139857719879787 5.7385e-08  
a 2.338983796469609 1.2055e-08 au
q 1.838474543114686 1.2912e-07 au
i 3.043648804467046 5.2191e-06 deg
node 82.64008138897545 0.00010117 deg
peri 292.9786316697645 0.0001021 deg
M 75.51727673197699 1.6438e-05 deg
tp 2458926.416389787107
(2020-Mar-17.91638979)
5.8307e-05 TDB
period 1306.589749347523
3.58
1.0101e-05
2.766e-08
d
yr
n .2755264230258769 2.13e-09 deg/d
Q 2.839493049824531 1.4634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      9205 days (25.20 yr)  
   first obs. used      1995-12-22  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6007  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:16  

Additional Information
 Earth MOID = .840996 au 
 Jupiter MOID = 2.62604 au 
 T_jup = 3.533 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO439693  

101327 (1998 SW161)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SW161 = 1995 YT19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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