🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.4 AU - 0.62 AU

Year: 132 Days

Day: 44 Hours

Environment

Temp: 243 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,744,007 km

• M1: 36,801 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.64 AU - 0.72 AU

Year: 204 Days

Day: 30.8 Hours

Environment

Temp: 165 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.65 AU - 0.99 AU

Year: 270 Days

Day: 25 Hours

Environment

Temp: 177 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.78 AU - 1.1 AU

Year: 331 Days

Day: 13.4 Hours

Environment

Temp: 90 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.58 AU - 3.68 AU

Year: 2514 Days

Day: 44.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.2

Radius: 11.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.98 AU - 8 AU

Year: 6717 Days

Day: 13.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,744,007 km

• M1: 139,276 km (0.12 R)
• M2: 490,831 km (0.06 R)
• M3: 861,983 km (0.117 R)
• M4: 1,346,231 km (0.109 R)
• M5: 1,809,237 km (0.106 R)
• M6: 3,350,992 km (0.051 R)
• M7: 3,984,539 km (0.053 R)
• M8: 6,099,255 km (0.034 R)
• M9: 6,497,784 km (0.089 R)
• M10: 8,418,022 km (0.088 R)
• M11: 10,778,676 km (0.059 R)
• M12: 11,135,766 km (0.07 R)
• M13: 11,639,612 km (0.036 R)
• M14: 24,581,773 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.4

Radius: 12.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.34 AU - 8.16 AU

Year: 7095 Days

Day: 7.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,744,007 km

• M1: 157,975 km (0.114 R)
• M2: 572,661 km (0.085 R)
• M3: 1,239,867 km (0.082 R)
• M4: 1,859,352 km (0.116 R)
• M5: 2,811,393 km (0.113 R)
• M6: 3,257,344 km (0.106 R)
• M7: 4,638,731 km (0.069 R)
• M8: 5,060,298 km (0.059 R)
• M9: 6,725,023 km (0.093 R)
• M10: 7,606,154 km (0.063 R)
• M11: 8,771,671 km (0.11 R)
• M12: 9,778,166 km (0.084 R)
• M13: 10,714,499 km (0.114 R)
• M14: 12,657,326 km (0.117 R)
• M15: 13,485,500 km (0.083 R)
• M16: 13,941,774 km (0.082 R)
• M17: 14,645,482 km (0.113 R)
• M18: 15,682,794 km (0.053 R)
• M19: 16,508,723 km (0.104 R)
• M20: 25,209,635 km (0.069 R)
• M21: 25,990,536 km (0.116 R)
• M22: 27,237,434 km (0.097 R)
• M23: 34,498,765 km (0.113 R)
• M24: 35,353,717 km (0.118 R)
• M25: 37,440,757 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.3

Radius: 7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 12.08 AU - 14.3 AU

Year: 17410 Days

Day: 23 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,744,007 km

• M1: 87,066 km (0.116 R)
• M2: 378,333 km (0.107 R)
• M3: 1,161,328 km (0.111 R)
• M4: 1,827,787 km (0.069 R)
• M5: 2,340,010 km (0.037 R)
• M6: 2,619,758 km (0.105 R)
• M7: 2,899,207 km (0.098 R)
• M8: 3,270,658 km (0.101 R)
• M9: 4,517,407 km (0.086 R)
• M10: 5,450,299 km (0.095 R)
• M11: 7,647,742 km (0.063 R)
• M12: 8,449,138 km (0.046 R)
• M13: 8,870,406 km (0.114 R)
• M14: 10,642,393 km (0.102 R)
• M15: 13,376,294 km (0.089 R)
• M16: 16,836,492 km (0.099 R)
• M17: 18,653,807 km (0.038 R)
• M18: 23,578,420 km (0.088 R)
• M19: 26,042,596 km (0.051 R)
• M20: 28,569,005 km (0.052 R)
• M21: 33,058,586 km (0.054 R)
• M22: 33,404,307 km (0.062 R)
• M23: 34,103,378 km (0.108 R)
• M24: 38,503,201 km (0.036 R)
• M25: 40,838,723 km (0.031 R)
• M26: 50,819,743 km (0.089 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 13,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit