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討論區 => 天文新知 => 主題作者是: peter 於 2026-02-26 09:44:26



主題: new comet A11yzTN 2028年
作者: peter2026-02-26 09:44:26

A11yzTN with perihelion distance about 1.15 au and it seems to be large object H0= ~9.5 !! It will reach its perihelion in late 2028 .
Orbital elements:  A11yzTN
   Perihelion 2028 Nov 7.21787 +/- 9.86 TT =  5:13:44 (JD 2462082.71787)
Epoch 2026 Feb 24.0 TT = JDT 2461095.5   Earth MOID: 0.3515   Ju: 0.5813
M 359.99967775 +/- 0.12             Ma: 0.0129   Sa: 0.9354      Auto-Find
n   0.00000032 +/-                  Peri.  310.71151 +/- 0.6
a  20890.6636 +/-                   Node     3.61143 +/- 0.06
e   0.9999448 +/- 0.00739           Incl.   99.64410 +/- 0.38
P3019453  H    9.40    G   0.15     U  6.6
q 1.15285219 +/- 0.00183    Q 41780.1743 +/- 457384       (J2000 ecliptic)
From 36 observations 2026 Jan. 15-Feb. 24; mean residual 0".21