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101167 (1998 SW2)
Classification: Main-belt Asteroid          SPK-ID: 2101167
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692828222322962 1.1568e-07  
a 2.3055008669567 1.1023e-08 au
q 1.915219173539264 2.6718e-07 au
i 24.32790786437102 5.0251e-06 deg
node 297.9372206701353 1.618e-05 deg
peri 64.7768698879764 3.3158e-05 deg
M 71.42680831618861 1.9907e-05 deg
tp 2458746.808973837268
(2019-Sep-20.30897384)
7.0996e-05 TDB
period 1278.634333124533
3.50
9.1698e-06
2.511e-08
d
yr
n .2815503937863819 2.0191e-09 deg/d
Q 2.695782560374136 1.2889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1431  
   data-arc span      8092 days (22.15 yr)  
   first obs. used      1998-08-25  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35209  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:04  

Additional Information
 Earth MOID = .998092 au 
 Jupiter MOID = 2.82985 au 
 T_jup = 3.452 
[ 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 15.1   n/a MPO502725  
diameter diameter 2.841 km 0.803 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101167 (1998 SW2)          Discovered 1998-Sep-19 by CSS at Catalina
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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