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101294 (1998 SW126)
Classification: Main-belt Asteroid          SPK-ID: 2101294
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2358774099343797 5.383e-08  
a 2.791038291832825 1.4706e-08 au
q 2.132695408527623 1.4766e-07 au
i 8.661279472408065 4.2192e-06 deg
node 153.7551146837681 3.5984e-05 deg
peri 216.0819171909972 3.7204e-05 deg
M 274.7957106379596 1.2301e-05 deg
tp 2459603.593761665033
(2022-Jan-24.09376166)
6.028e-05 TDB
period 1703.127334151114
4.66
1.346e-05
3.685e-08
d
yr
n .2113758570961072 1.6706e-09 deg/d
Q 3.449381175138027 1.8175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      9823 days (26.89 yr)  
   first obs. used      1993-07-22  
   last obs. used      2020-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57191  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:08  

Additional Information
 Earth MOID = 1.13682 au 
 Jupiter MOID = 2.0298 au 
 T_jup = 3.272 
[ 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 15.69   n/a E2021B55  
diameter diameter 4.979 km 0.794 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101294 (1998 SW126)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SW126 = 2003 WD77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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