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109996 (2001 SW61)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809242130766083 4.6922e-08  
a 3.209762214391554 2.4424e-08 au
q 2.629038511589731 1.5941e-07 au
i 2.030792430181331 4.6522e-06 deg
node 114.3732480453285 0.00013943 deg
peri 231.1757938575207 0.00013992 deg
M 108.224534868641 1.2152e-05 deg
tp 2458369.061665409462
(2018-Sep-07.56166541)
7.0165e-05 TDB
period 2100.427603856222
5.75
2.3974e-05
6.564e-08
d
yr
n .1713936720975615 1.9563e-09 deg/d
Q 3.790485917193377 2.8843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      9803 days (26.84 yr)  
   first obs. used      1993-03-23  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:37:11  

Additional Information
 Earth MOID = 1.62242 au 
 Jupiter MOID = 1.62712 au 
 T_jup = 3.165 
[ 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 14.8   n/a MPO417565  

109996 (2001 SW61)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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