🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.01 AU - 1.47 AU

Year: 582 Days

Day: 36.2 Hours

Environment

Temp: -59 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,366,575 km

• M1: 526,734 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.56 AU - 2.18 AU

Year: 1079 Days

Day: 38.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.51 AU - 2.25 AU

Year: 1087 Days

Day: 14.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.91 AU - 2.39 AU

Year: 1330 Days

Day: 30.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.5 AU - 2.8 AU

Year: 1819 Days

Day: 21 Hours

Environment

Temp: -120 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,366,575 km

• M1: 959,521 km (0.088 R)

Asteroid Belt

Center: 2.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.5

Radius: 9.7

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.5 AU - 3.88 AU

Year: 2403 Days

Day: 14.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,366,575 km

• M1: 120,576 km (0.11 R)
• M2: 461,360 km (0.092 R)
• M3: 764,595 km (0.093 R)
• M4: 1,261,559 km (0.051 R)
• M5: 1,600,996 km (0.054 R)
• M6: 2,440,390 km (0.101 R)
• M7: 2,814,684 km (0.083 R)
• M8: 3,931,582 km (0.102 R)
• M9: 6,221,925 km (0.03 R)
• M10: 7,463,737 km (0.11 R)
• M11: 7,997,801 km (0.108 R)
• M12: 10,663,635 km (0.086 R)
• M13: 11,260,232 km (0.106 R)
• M14: 11,628,841 km (0.089 R)
• M15: 12,347,060 km (0.035 R)
• M16: 12,695,025 km (0.112 R)
• M17: 13,094,451 km (0.104 R)
• M18: 13,965,260 km (0.107 R)
• M19: 14,534,780 km (0.055 R)
• M20: 14,922,986 km (0.12 R)
• M21: 17,291,419 km (0.08 R)
• M22: 17,837,601 km (0.071 R)
• M23: 18,170,756 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.1

Radius: 14

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.15 AU - 3.87 AU

Year: 2773 Days

Day: 10.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,366,575 km

• M1: 178,620 km (0.044 R)
• M2: 816,804 km (0.103 R)
• M3: 1,370,167 km (0.071 R)
• M4: 2,308,594 km (0.115 R)
• M5: 2,954,259 km (0.086 R)
• M6: 3,566,712 km (0.072 R)
• M7: 4,055,449 km (0.113 R)
• M8: 4,931,195 km (0.105 R)
• M9: 5,824,144 km (0.098 R)
• M10: 6,337,415 km (0.068 R)
• M11: 7,964,142 km (0.119 R)
• M12: 8,529,771 km (0.113 R)
• M13: 11,066,353 km (0.104 R)
• M14: 11,856,978 km (0.049 R)
• M15: 12,551,710 km (0.098 R)
• M16: 15,708,524 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.2

Radius: 9.4

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.4 AU - 7.22 AU

Year: 7495 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,366,575 km

• M1: 116,986 km (0.106 R)
• M2: 451,486 km (0.109 R)
• M3: 976,575 km (0.101 R)
• M4: 1,492,239 km (0.119 R)
• M5: 2,010,147 km (0.112 R)
• M6: 3,791,259 km (0.034 R)
• M7: 4,489,283 km (0.106 R)
• M8: 6,405,332 km (0.103 R)
• M9: 7,102,159 km (0.085 R)
• M10: 8,280,990 km (0.1 R)
• M11: 8,729,185 km (0.082 R)
• M12: 9,193,537 km (0.08 R)
• M13: 10,543,957 km (0.044 R)
• M14: 10,973,602 km (0.072 R)
• M15: 11,365,399 km (0.102 R)
• M16: 11,919,360 km (0.075 R)
• M17: 12,757,108 km (0.086 R)
• M18: 14,259,071 km (0.085 R)
• M19: 15,263,321 km (0.102 R)
• M20: 16,760,197 km (0.084 R)
• M21: 17,744,103 km (0.034 R)
• M22: 18,352,667 km (0.106 R)
• M23: 22,534,974 km (0.055 R)
• M24: 32,824,914 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 10.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.79 AU - 9.91 AU

Year: 11104 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,366,575 km

• M1: 129,402 km (0.116 R)
• M2: 459,265 km (0.073 R)
• M3: 2,269,400 km (0.057 R)
• M4: 2,768,458 km (0.102 R)
• M5: 4,329,213 km (0.107 R)
• M6: 6,622,698 km (0.104 R)
• M7: 7,293,943 km (0.076 R)
• M8: 10,197,040 km (0.051 R)
• M9: 14,273,731 km (0.106 R)
• M10: 15,013,642 km (0.097 R)
• M11: 19,849,543 km (0.085 R)
• M12: 20,230,120 km (0.112 R)
• M13: 25,723,204 km (0.09 R)
• M14: 27,004,211 km (0.041 R)
• M15: 31,102,145 km (0.082 R)
• M16: 34,819,503 km (0.041 R)
• M17: 36,727,474 km (0.071 R)
• M18: 41,242,936 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 12,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit