🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.54 AU - 0.58 AU

Year: 147 Days

Day: 20.8 Hours

Environment

Temp: 214 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,658,083 km

• M1: 191,635 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.57 AU - 0.71 AU

Year: 180 Days

Day: 36.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 86.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 35,658,083 km

• M1: 93,648 km (0.107 R)
• M2: 246,986 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.33 AU - 1.73 AU

Year: 665 Days

Day: 27 Hours

Environment

Temp: 7 °C

Axial Tilt: 43.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.77 AU - 4.15 AU

Year: 2770 Days

Day: 22.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,658,083 km

• M1: 366,664 km (0.089 R)
• M2: 2,364,843 km (0.082 R)

Asteroid Belt

Center: 4.91 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 14.1

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.78 AU - 5.94 AU

Year: 4986 Days

Day: 8.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,658,083 km

• M1: 175,777 km (0.076 R)
• M2: 996,920 km (0.091 R)
• M3: 1,754,933 km (0.109 R)
• M4: 6,196,194 km (0.095 R)
• M5: 8,095,190 km (0.092 R)
• M6: 13,501,956 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 9.3

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.46 AU - 7.54 AU

Year: 6509 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,658,083 km

• M1: 115,639 km (0.062 R)
• M2: 600,935 km (0.036 R)
• M3: 921,224 km (0.097 R)
• M4: 1,269,488 km (0.086 R)
• M5: 1,679,087 km (0.093 R)
• M6: 2,476,742 km (0.112 R)
• M7: 2,767,710 km (0.116 R)
• M8: 3,061,520 km (0.098 R)
• M9: 3,712,421 km (0.101 R)
• M10: 4,858,191 km (0.107 R)
• M11: 5,347,376 km (0.03 R)
• M12: 6,732,503 km (0.107 R)
• M13: 7,086,302 km (0.098 R)
• M14: 9,608,671 km (0.064 R)
• M15: 11,489,715 km (0.066 R)
• M16: 17,047,276 km (0.067 R)
• M17: 17,440,569 km (0.103 R)
• M18: 19,214,949 km (0.12 R)
• M19: 19,712,661 km (0.113 R)
• M20: 22,252,683 km (0.064 R)
• M21: 23,199,039 km (0.104 R)
• M22: 24,008,065 km (0.037 R)
• M23: 26,723,116 km (0.062 R)
• M24: 29,354,842 km (0.087 R)
• M25: 29,825,477 km (0.12 R)
• M26: 31,758,282 km (0.054 R)
• M27: 32,154,566 km (0.118 R)
• M28: 33,670,442 km (0.063 R)
• M29: 34,916,891 km (0.042 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 13,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit