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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693801567180768 1.0726e-07  
a 2.305609148200373 1.0511e-08 au
q 1.915084709347562 2.4882e-07 au
i 24.32764914328698 4.9766e-06 deg
node 297.9370137760033 1.4738e-05 deg
peri 64.79669518456794 2.4211e-05 deg
M 127.7016474959494 1.4379e-05 deg
tp 2458746.902182472518
(2019-Sep-20.40218247)
5.08e-05 TDB
period 1278.724413599073
3.50
8.7447e-06
2.394e-08
d
yr
n .2815305598074497 1.9253e-09 deg/d
Q 2.696133587053184 1.2292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1508  
   data-arc span      8230 days (22.53 yr)  
   first obs. used      1998-08-25  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35524  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:31  

Additional Information
 Earth MOID = .996278 au 
 Jupiter MOID = 2.82976 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 15.18   n/a E2021B55  
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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