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C/2025 A6 Lemmon ephemeris 1600-2500 AD
C/2025 A6 Lemmon was discovered on 3 January 2025 by D. Carson Fuls using the Mount Lemmon Survey Observatory in the Santa Catalina Mountains
northeast of Tucson, Arizona. Lemmon has an orbital period of 1347.71 years, is inclined at 143.66 degrees to the ecliptic, and has a 0.9957 eccentricity.
It's closest approach to the Sun is November 08, 2025. It's been in tropical Leo for hundreds of years changing only near perihelion in 2024-26, after
which it settles into tropical Virgo for other hundreds of years.
Lemmon is part of a group of several comets/objects/ships that have been coming in with 3I Atlas, all within months of each other. What role it has to play
is yet undetermined.
Below are tables for C/2025 A6 Lemmon for midnight UT
C/2025 A6 Lemmon long term
1600 Jul 01 = 21Leo28
1650 Jul 01 = 21Leo46
1700 Jul 01 = 22Leo02
1750 Jul 01 = 22Leo14
1800 Jul 01 = 22Leo20
1850 Jul 01 = 22Leo18
1900 Jul 01 = 21Leo59
1925 Jul 01 = 21Leo37
1950 Jul 01 = 21Leo02
1960 Jul 01 = 20Leo41
1970 Jul 01 = 20Leo13
1980 Jul 01 = 19Leo37
1990 Jul 01 = 18Leo46
2000 Jul 01 = 17Leo29
2010 Jul 01 = 15Leo12
2015 Jul 01 = 13Leo06
2020 Jul 01 = 08Leo56
2022 Jul 01 = 05Leo20
2023 Jul 01 = 02Leo16
2024 Jul 01 = 26Can57
2025 Jul 01 = 10Can49
Perihelion 2025 Nov 08
2026 Jul 01 = 00Lib14
2027 Jul 01 = 24Vir02
2028 Jul 01 = 20Vir59
2029 Jul 01 = 19Vir02
2030 Jul 01 = 17Vir38
2035 Jul 01 = 13Vir47
2040 Jul 01 = 11Vir56
2050 Jul 01 = 09Vir52
2075 Jul 01 = 07Vir38
2100 Jul 01 = 06Vir38
2150 Jul 01 = 05Vir44
2200 Jul 01 = 05Vir26
2250 Jul 01 = 05Vir23
2300 Jul 01 = 05Vir28
2350 Jul 01 = 05Vir39
2400 Jul 01 = 05Vir53
2450 Jul 01 = 06Vir09
2500 Jul 01 = 05Vir26
Perihelion sign changes
2023 Apr 03 = 30Can
2023 May 25 = 00Leo
2024 Feb 06 = 30Can
2024 Jul 28 = 00Leo
2024 Dec 25 = 30Can
2025 Sep 12 = 00Leo
2025 Oct 10 = 00Vir
2025 Oct 17/18 = 00Lib
2025 Oct 23 = 00Sco
2025 Oct 30 = 00Sag
perihelion Nov.08, 2025
12:52PM UT=14Sag08
2026 Mar 20 = 30Sco
2026 Apr 17 = 30Lib
2026 Jun 26 = 00Lib
2027 Apr 20 = 30Vir
2027 Sep 10 = 00Lib
2028 Mar 12 = 30Vir
2028 Oct 29 = 00Lib
2029 Jan 29 = 30Vir
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