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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897687609521876 3.4255e-08  
a 2.443487221898581 1.0233e-08 au
q 1.979789679396385 8.5301e-08 au
i 2.038056592581652 4.3409e-06 deg
node 328.2216195722023 0.00014092 deg
peri 163.6662177292512 0.00014169 deg
M 249.2811497184258 1.5387e-05 deg
tp 2459029.574398007708
(2020-Jun-29.07439801)
6.0882e-05 TDB
period 1395.126330249486
3.82
8.7637e-06
2.399e-08
d
yr
n .2580411480984824 1.6209e-09 deg/d
Q 2.907184764400778 1.2175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      17787 days (48.70 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:47:44  

Additional Information
 Earth MOID = .994803 au 
 Jupiter MOID = 2.14184 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 15.6   n/a MPO410252  
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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