🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.81 AU - 1.05 AU

Year: 314 Days

Day: 19.1 Hours

Environment

Temp: 122 °C

Axial Tilt: 45.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.24 AU - 1.54 AU

Year: 573 Days

Day: 40.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 19.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.34 AU - 1.52 AU

Year: 598 Days

Day: 18 Hours

Environment

Temp: -5 °C

Axial Tilt: 16.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 77,010,860 km

• M1: 89,460 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.01 AU - 2.71 AU

Year: 1268 Days

Day: 26.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,010,860 km

• M1: 68,067 km (0.099 R)
• M2: 1,873,863 km (0.036 R)

Asteroid Belt

Center: 5.22 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.4

Radius: 13.1

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.45 AU - 8.69 AU

Year: 8020 Days

Day: 5.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,010,860 km

• M1: 166,802 km (0.12 R)
• M2: 747,989 km (0.093 R)
• M3: 1,330,523 km (0.105 R)
• M4: 1,776,774 km (0.103 R)
• M5: 2,460,735 km (0.065 R)
• M6: 3,293,547 km (0.1 R)
• M7: 3,835,540 km (0.094 R)
• M8: 4,871,954 km (0.093 R)
• M9: 6,021,913 km (0.08 R)
• M10: 6,943,585 km (0.04 R)
• M11: 7,419,905 km (0.078 R)
• M12: 8,686,251 km (0.06 R)
• M13: 9,371,259 km (0.07 R)
• M14: 12,318,487 km (0.081 R)
• M15: 13,073,657 km (0.045 R)
• M16: 15,157,256 km (0.112 R)
• M17: 15,710,918 km (0.05 R)
• M18: 16,728,782 km (0.118 R)
• M19: 24,111,437 km (0.088 R)
• M20: 24,697,561 km (0.057 R)
• M21: 25,637,784 km (0.12 R)
• M22: 27,498,931 km (0.076 R)
• M23: 32,492,807 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.3

Radius: 6.7

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 16.12 AU - 18.04 AU

Year: 24695 Days

Day: 24.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 77,010,860 km

• M1: 86,168 km (0.114 R)
• M2: 303,534 km (0.111 R)
• M3: 715,975 km (0.114 R)
• M4: 1,263,952 km (0.105 R)
• M5: 1,543,700 km (0.1 R)
• M6: 2,165,280 km (0.096 R)
• M7: 2,406,132 km (0.1 R)
• M8: 2,616,467 km (0.037 R)
• M9: 3,322,868 km (0.059 R)
• M10: 5,376,697 km (0.032 R)
• M11: 5,821,003 km (0.095 R)
• M12: 6,202,477 km (0.031 R)
• M13: 6,555,379 km (0.084 R)
• M14: 7,109,788 km (0.093 R)
• M15: 8,102,819 km (0.097 R)
• M16: 12,102,468 km (0.117 R)
• M17: 13,007,086 km (0.098 R)
• M18: 13,659,183 km (0.102 R)
• M19: 15,908,986 km (0.05 R)
• M20: 19,123,245 km (0.102 R)
• M21: 20,060,925 km (0.07 R)
• M22: 22,129,415 km (0.057 R)
• M23: 25,436,575 km (0.087 R)
• M24: 27,383,142 km (0.083 R)
• M25: 29,921,968 km (0.113 R)
• M26: 32,088,893 km (0.078 R)
• M27: 34,085,875 km (0.075 R)
• M28: 35,323,049 km (0.097 R)
• M29: 37,886,708 km (0.105 R)
• M30: 41,804,826 km (0.117 R)
• M31: 42,117,037 km (0.056 R)
• M32: 47,834,069 km (0.106 R)
• M33: 49,557,735 km (0.078 R)
• M34: 53,678,708 km (0.084 R)
• M35: 63,413,191 km (0.084 R)
• M36: 64,446,763 km (0.117 R)
• M37: 66,123,904 km (0.115 R)
• M38: 68,045,339 km (0.052 R)
• M39: 68,911,062 km (0.044 R)
• M40: 69,784,116 km (0.083 R)
• M41: 72,897,995 km (0.041 R)
• M42: 74,718,302 km (0.088 R)
• M43: 78,449,273 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.8

Radius: 5.3

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 16.43 AU - 24.45 AU

Year: 32329 Days

Day: 20.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,010,860 km

• M1: 246,986 km (0.092 R)
• M2: 417,827 km (0.108 R)
• M3: 841,338 km (0.11 R)
• M4: 2,041,263 km (0.078 R)
• M5: 2,658,803 km (0.071 R)
• M6: 4,844,129 km (0.115 R)
• M7: 5,330,322 km (0.083 R)
• M8: 7,702,944 km (0.07 R)
• M9: 9,799,857 km (0.097 R)
• M10: 10,034,427 km (0.027 R)
• M11: 13,434,487 km (0.073 R)
• M12: 23,208,165 km (0.111 R)
• M13: 27,373,269 km (0.118 R)
• M14: 31,119,648 km (0.042 R)
• M15: 33,444,549 km (0.108 R)
• M16: 45,508,869 km (0.117 R)
• M17: 50,734,323 km (0.086 R)
• M18: 61,757,741 km (0.095 R)
• M19: 64,383,932 km (0.104 R)
• M20: 64,589,030 km (0.113 R)
• M21: 65,828,449 km (0.097 R)
• M22: 68,568,184 km (0.119 R)
• M23: 73,376,260 km (0.042 R)
• M24: 76,091,162 km (0.118 R)

Kuiper Belt

Range: 31.4 - 50.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 14,772 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit