🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.42 AU - 0.68 AU

Year: 151 Days

Day: 32.7 Hours

Environment

Temp: 231 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,780,941 km

• M1: 328,816 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.62 AU - 0.74 AU

Year: 208 Days

Day: 23.6 Hours

Environment

Temp: 169 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.99 AU - 1.05 AU

Year: 382 Days

Day: 36.9 Hours

Environment

Temp: 24 °C

Axial Tilt: 12.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 36,780,941 km

• M1: 643,570 km (0.041 R)

Asteroid Belt

Center: 1.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.25 AU - 1.91 AU

Year: 737 Days

Day: 30.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.39 AU - 5.19 AU

Year: 3295 Days

Day: 33.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 64.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.38 AU - 4.52 AU

Year: 3481 Days

Day: 22.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,780,941 km

• M1: 68,965 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 11.6

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.3 AU - 4.8 AU

Year: 3599 Days

Day: 12.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,780,941 km

• M1: 157,078 km (0.076 R)
• M2: 593,604 km (0.109 R)
• M3: 1,106,575 km (0.095 R)
• M4: 1,491,042 km (0.098 R)
• M5: 2,012,241 km (0.103 R)
• M6: 2,638,906 km (0.041 R)
• M7: 3,325,710 km (0.084 R)
• M8: 3,774,653 km (0.025 R)
• M9: 4,323,079 km (0.111 R)
• M10: 5,533,027 km (0.044 R)
• M11: 6,606,242 km (0.12 R)
• M12: 7,376,521 km (0.096 R)
• M13: 8,329,161 km (0.096 R)
• M14: 9,909,213 km (0.056 R)
• M15: 10,369,676 km (0.053 R)
• M16: 10,770,448 km (0.11 R)
• M17: 12,724,047 km (0.095 R)
• M18: 13,141,575 km (0.087 R)
• M19: 14,047,988 km (0.1 R)
• M20: 14,766,207 km (0.109 R)
• M21: 16,619,575 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.4

Radius: 13

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 11.5 AU - 12.58 AU

Year: 15493 Days

Day: 7.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 149.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,780,941 km

• M1: 162,314 km (0.11 R)
• M2: 663,915 km (0.087 R)
• M3: 1,240,017 km (0.039 R)
• M4: 2,046,948 km (0.052 R)
• M5: 2,635,017 km (0.073 R)
• M6: 4,473,724 km (0.118 R)
• M7: 6,613,572 km (0.109 R)
• M8: 7,355,877 km (0.1 R)
• M9: 8,530,220 km (0.118 R)
• M10: 10,843,302 km (0.051 R)
• M11: 13,373,601 km (0.102 R)
• M12: 15,561,320 km (0.093 R)
• M13: 19,128,781 km (0.074 R)
• M14: 20,023,675 km (0.094 R)
• M15: 21,338,790 km (0.115 R)
• M16: 23,713,955 km (0.043 R)
• M17: 24,659,414 km (0.116 R)
• M18: 27,272,290 km (0.095 R)
• M19: 29,373,991 km (0.065 R)
• M20: 30,464,410 km (0.072 R)
• M21: 31,478,982 km (0.104 R)
• M22: 33,042,729 km (0.085 R)
• M23: 35,097,306 km (0.047 R)
• M24: 38,278,206 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.1

Radius: 5.1

Gravity: 24.99 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 13.34 AU - 19.2 AU

Year: 24338 Days

Day: 23.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,780,941 km

• M1: 64,925 km (0.086 R)
• M2: 909,854 km (0.109 R)
• M3: 1,154,596 km (0.096 R)
• M4: 5,232,784 km (0.115 R)
• M5: 5,514,028 km (0.101 R)
• M6: 6,463,675 km (0.091 R)
• M7: 7,928,089 km (0.076 R)
• M8: 9,018,956 km (0.082 R)
• M9: 9,190,844 km (0.065 R)
• M10: 9,839,650 km (0.089 R)
• M11: 19,777,138 km (0.082 R)
• M12: 29,150,192 km (0.074 R)
• M13: 35,563,154 km (0.109 R)
• M14: 36,861,813 km (0.106 R)
• M15: 38,944,365 km (0.066 R)
• M16: 46,678,276 km (0.112 R)
• M17: 56,532,886 km (0.083 R)
• M18: 59,497,317 km (0.117 R)
• M19: 66,164,745 km (0.116 R)
• M20: 66,814,299 km (0.077 R)
• M21: 72,851,919 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.8

Radius: 5.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 14.51 AU - 19.01 AU

Year: 25446 Days

Day: 22.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,780,941 km

• M1: 70,909 km (0.109 R)
• M2: 651,349 km (0.098 R)
• M3: 868,116 km (0.09 R)
• M4: 1,727,107 km (0.114 R)
• M5: 2,619,608 km (0.108 R)
• M6: 3,030,554 km (0.104 R)
• M7: 3,506,125 km (0.093 R)
• M8: 4,496,463 km (0.1 R)
• M9: 6,211,902 km (0.081 R)
• M10: 6,869,385 km (0.103 R)
• M11: 9,739,420 km (0.083 R)
• M12: 10,013,483 km (0.066 R)
• M13: 18,101,791 km (0.097 R)
• M14: 20,385,851 km (0.054 R)
• M15: 21,289,722 km (0.049 R)
• M16: 24,832,798 km (0.075 R)
• M17: 26,477,327 km (0.084 R)
• M18: 27,643,443 km (0.084 R)
• M19: 28,656,519 km (0.037 R)
• M20: 32,957,309 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 10,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit