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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806526835997009 4.8613e-08  
a 3.209018563453336 2.5042e-08 au
q 2.629300748244234 1.6575e-07 au
i 2.030661559991172 4.6816e-06 deg
node 114.3761181999928 0.00014209 deg
peri 231.1240461242261 0.00014258 deg
M 39.7344040466595 1.2078e-05 deg
tp 2458368.749343078623
(2018-Sep-07.24934308)
7.0267e-05 TDB
period 2099.697692551893
5.75
2.4578e-05
6.729e-08
d
yr
n .1714532531406793 2.007e-09 deg/d
Q 3.788736378662438 2.9566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      9402 days (25.74 yr)  
   first obs. used      1993-03-23  
   last obs. used      2018-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5829  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:03:45  

Additional Information
 Earth MOID = 1.62175 au 
 Jupiter MOID = 1.62513 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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