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20926 (1101 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2020926
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04316763909809254 4.3905e-08  
a 2.683785610585691 1.5439e-08 au
q 2.567932921931274 1.2115e-07 au
i 3.590553418543462 4.4687e-06 deg
node 278.4419453058547 7.7392e-05 deg
peri 233.4965604860287 9.5305e-05 deg
M 146.9089653701035 5.4201e-05 deg
tp 2458545.161087180259
(2019-Mar-02.66108718)
0.00024265 TDB
period 1605.906133916029
4.40
1.3857e-05
3.794e-08
d
yr
n .2241725044801554 1.9344e-09 deg/d
Q 2.799638299240108 1.6105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      18017 days (49.33 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50498  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:34:54  

Additional Information
 Earth MOID = 1.58022 au 
 Jupiter MOID = 2.19649 au 
 T_jup = 3.371 
[ 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 14.74   n/a E2021B10  
diameter diameter 6.121 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20926 (1101 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1101 T-1 = 1993 FS30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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