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20927 (1126 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2020927
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 .1896113946728634 3.2707e-08  
a 2.443641719347616 9.9404e-09 au
q 1.980299404861321 8.1688e-08 au
i 2.038065683665276 4.0761e-06 deg
node 328.2122963429016 0.00013921 deg
peri 163.5637368171521 0.00013998 deg
M 44.17011199714366 1.5513e-05 deg
tp 2459029.309081078843
(2020-Jun-28.80908108)
5.9633e-05 TDB
period 1395.258649459659
3.82
8.5136e-06
2.331e-08
d
yr
n .2580166767928062 1.5744e-09 deg/d
Q 2.906984033833912 1.1825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      18233 days (49.92 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:34:54  

Additional Information
 Earth MOID = .994838 au 
 Jupiter MOID = 2.14027 au 
 T_jup = 3.474 
[ 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 15.62   n/a E2021B10  
diameter diameter 3.352 km 0.814 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20927 (1126 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
 1126 T-1 = 2000 WN14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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