🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.43 AU - 0.57 AU

Year: 132 Days

Day: 21.8 Hours

Environment

Temp: 230 °C

Axial Tilt: 27.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.7 AU - 0.86 AU

Year: 258 Days

Day: 16.9 Hours

Environment

Temp: 176 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.79 AU - 0.81 AU

Year: 268 Days

Day: 36.3 Hours

Environment

Temp: 147 °C

Axial Tilt: 86.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 44,922,483 km

• M1: 28,424 km (0.114 R)
• M2: 180,864 km (0.027 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.85 AU - 1.23 AU

Year: 397 Days

Day: 46.4 Hours

Environment

Temp: 11 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.07 AU - 1.39 AU

Year: 511 Days

Day: 34.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 44,922,483 km

• M1: 635,941 km (0.113 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.38 AU - 3.44 AU

Year: 1860 Days

Day: 22.5 Hours

Environment

Temp: -98 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.28 AU - 3.52 AU

Year: 2349 Days

Day: 34.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 12

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.78 AU - 7 AU

Year: 6777 Days

Day: 7.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,922,483 km

• M1: 149,299 km (0.11 R)
• M2: 936,333 km (0.119 R)
• M3: 1,437,037 km (0.082 R)
• M4: 2,114,566 km (0.088 R)
• M5: 2,713,855 km (0.062 R)
• M6: 3,360,567 km (0.081 R)
• M7: 5,808,437 km (0.094 R)
• M8: 6,680,143 km (0.067 R)
• M9: 8,090,702 km (0.105 R)
• M10: 10,268,847 km (0.028 R)
• M11: 10,869,332 km (0.102 R)
• M12: 11,347,148 km (0.085 R)
• M13: 11,789,060 km (0.091 R)
• M14: 12,242,491 km (0.107 R)
• M15: 12,865,267 km (0.118 R)
• M16: 15,036,082 km (0.111 R)
• M17: 15,750,561 km (0.106 R)
• M18: 17,898,188 km (0.115 R)
• M19: 19,807,955 km (0.103 R)
• M20: 20,377,773 km (0.097 R)
• M21: 22,001,209 km (0.085 R)
• M22: 23,313,482 km (0.075 R)
• M23: 25,924,264 km (0.102 R)
• M24: 27,212,900 km (0.036 R)
• M25: 28,633,780 km (0.06 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 13.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.35 AU - 9.13 AU

Year: 8864 Days

Day: 14.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,922,483 km

• M1: 167,998 km (0.079 R)
• M2: 612,603 km (0.104 R)
• M3: 1,704,219 km (0.101 R)
• M4: 2,273,439 km (0.065 R)
• M5: 4,581,136 km (0.082 R)
• M6: 5,242,209 km (0.097 R)
• M7: 6,069,784 km (0.087 R)
• M8: 7,452,667 km (0.08 R)
• M9: 9,266,391 km (0.085 R)
• M10: 10,376,408 km (0.103 R)
• M11: 12,345,564 km (0.102 R)
• M12: 13,093,254 km (0.089 R)
• M13: 14,742,721 km (0.115 R)
• M14: 15,387,487 km (0.063 R)
• M15: 16,118,423 km (0.08 R)
• M16: 19,969,521 km (0.091 R)
• M17: 22,149,910 km (0.06 R)
• M18: 23,254,540 km (0.107 R)
• M19: 24,395,523 km (0.087 R)
• M20: 24,934,524 km (0.097 R)
• M21: 26,694,094 km (0.076 R)
• M22: 28,337,427 km (0.081 R)
• M23: 30,047,331 km (0.098 R)
• M24: 33,230,923 km (0.067 R)
• M25: 34,004,942 km (0.111 R)
• M26: 35,934,755 km (0.068 R)
• M27: 38,539,403 km (0.101 R)
• M28: 41,521,637 km (0.118 R)
• M29: 42,419,673 km (0.114 R)
• M30: 43,461,772 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 13,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit