Ammonite Ephemeris 1600-2500 AD

Ammonite or 2023 KQ14, named after the ammonite fossil, is the 4th sednoid, discovered on 16 May 2023 using the Subaru telescope, but the discovery was announced on 14 April 2025. Ammonite has an orbital period of nearly 4000 years(3998) with an inclination of 11 degrees to the ecliptic. It is a small body of less than 300 miles diameter with an AU variance of 66 to 438 AU (average 252 AU). Perihelion or closest approach to the Sun will occur in February 2063.

The four known (as of 2025) sednoids

Below are tables for Ammonite 2023 KQ14 sednoid for July 1st GMT. Most of us have it in tropical Libra or Scorpio.

Ammonite 1600-2500 AD
1600 Jul 01 = 11Leo30
1650 Jul 01 = 16Leo05
1700 Jul 01 = 21Leo19
1750 Jul 01 = 27Leo28
1800 Jul 01 = 04Vir54
1825 Jul 01 = 09Vir17
1850 Jul 01 = 14Vir15
1875 Jul 01 = 19Vir59
1900 Jul 01 = 26Vir59
1925 Jul 01 = 04Lib38
1930 Jul 01 = 06Lib25
1935 Jul 01 = 08Lib16
1940 Jul 01 = 10Lib11
1945 Jul 01 = 12Lib11
1950 Jul 01 = 14Lib16
1955 Jul 01 = 16Lib26
1960 Jul 01 = 18Lib42
1965 Jul 01 = 21Lib03
1970 Jul 01 = 23Lib32
1975 Jul 01 = 26Lib06
1980 Jul 01 = 28Lib46
1985 Jul 01 = 01Sco35
1990 Jul 01 = 04Sco31
1995 Jul 01 = 07Sco34
2000 Jul 01 = 10Sco44
2005 Jul 01 = 14Sco03
2010 Jul 01 = 17Sco31
2015 Jul 01 = 21Sco06
2020 Jul 01 = 24Sco49
2025 Jul 01 = 28Sco40
2030 Jul 01 = 02Sag40
2035 Jul 01 = 06Sag45
2040 Jul 01 = 10Sag57
2045 Jul 01 = 15Sag16
2050 Jul 01 = 19Sag39
2075 Jul 01 = 12Cap05
2100 Jul 01 = 03Aqu31
2125 Jul 01 = 22Aqu03
2150 Jul 01 = 07Pis10
2175 Jul 01 = 19Pis18
2200 Jul 01 = 29Pis06
2250 Jul 01 = 13Ari52
2300 Jul 01 = 24Ari32
2350 Jul 01 = 02Tau45
2400 Jul 01 = 09Tau24
2450 Jul 01 = 14Tau24
2500 Jul 01 = 19Tau47

Ammonite in the Signs
1600-1768 Leo (? yrs)
1764-1911 Vir (147 yrs)
1908-1982 Lib (74 yrs)
1980-2026 Sco (46 yrs)
2025-2062 Sag (37 yrs)
2061-2096 Cap (35 yrs)
2096-2139 Aqu (43 yrs)
2138-2206 Pis (68 yrs)
2203-2336 Ari (133 yrs)
2332-2500 Tau (? yrs)

The Virgo/Libra transition:
1908 Nov 02 = 00Lib
1909 Feb 24 = 30Vir
1909 Sep 29 = 00Lib
1910 Apr 06 = 30Vir
1910 Aug 26 = 00Lib
1911 Jun 06 = 30Vir
1911 Jun 29 = 00Lib

The Libra/Scorpio transition:
1980 Nov 25 = 00Sco
1981 Apr 07 = 30Lib
1981 Oct 13 = 00Sco
1982 Jun 07 = 30Lib
1982 Aug 21 = 00Sco

The Scorpio/Sagittarius transition:
2025 Dec 24 = 00Sag
2026 May 12 = 30Sco
2026 Nov 04 = 00Sag

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