🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.54 AU - 0.8 AU

Year: 210 Days

Day: 23.5 Hours

Environment

Temp: 94 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.72 AU - 0.96 AU

Year: 295 Days

Day: 18.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 37.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 88,685,899 km

• M1: 36,951 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.69 AU - 1.05 AU

Year: 311 Days

Day: 12.3 Hours

Environment

Temp: 31 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.87 AU - 1.37 AU

Year: 454 Days

Day: 44.5 Hours

Environment

Temp: -17 °C

Axial Tilt: 8.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 88,685,899 km

• M1: 124,765 km (0.073 R)
• M2: 154,385 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.88 AU - 2.12 AU

Year: 1083 Days

Day: 15.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.64 AU - 5.32 AU

Year: 4255 Days

Day: 14.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,685,899 km

• M1: 112,049 km (0.032 R)
• M2: 468,989 km (0.04 R)
• M3: 1,272,629 km (0.113 R)
• M4: 1,607,579 km (0.089 R)
• M5: 2,112,621 km (0.099 R)
• M6: 2,984,627 km (0.107 R)
• M7: 4,219,857 km (0.077 R)
• M8: 4,974,877 km (0.112 R)
• M9: 5,567,285 km (0.048 R)
• M10: 6,022,361 km (0.115 R)
• M11: 8,287,423 km (0.048 R)
• M12: 9,154,343 km (0.034 R)
• M13: 10,154,255 km (0.075 R)
• M14: 10,528,549 km (0.092 R)
• M15: 11,870,142 km (0.11 R)
• M16: 12,710,733 km (0.089 R)
• M17: 14,045,295 km (0.09 R)
• M18: 16,371,093 km (0.06 R)
• M19: 16,782,338 km (0.047 R)
• M20: 17,625,322 km (0.059 R)
• M21: 18,057,211 km (0.06 R)
• M22: 18,496,281 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 9.9

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.21 AU - 8.09 AU

Year: 8101 Days

Day: 8.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,685,899 km

• M1: 123,119 km (0.028 R)
• M2: 475,871 km (0.105 R)
• M3: 784,491 km (0.033 R)
• M4: 1,433,297 km (0.113 R)
• M5: 1,928,765 km (0.114 R)
• M6: 2,517,283 km (0.113 R)
• M7: 3,422,500 km (0.115 R)
• M8: 3,950,132 km (0.11 R)
• M9: 4,756,165 km (0.037 R)
• M10: 5,198,526 km (0.114 R)
• M11: 6,513,790 km (0.062 R)
• M12: 8,203,349 km (0.118 R)
• M13: 8,710,934 km (0.072 R)
• M14: 10,953,406 km (0.098 R)
• M15: 12,757,856 km (0.111 R)
• M16: 13,267,087 km (0.119 R)
• M17: 14,507,702 km (0.095 R)
• M18: 15,062,561 km (0.038 R)
• M19: 17,082,282 km (0.092 R)
• M20: 19,572,637 km (0.117 R)
• M21: 20,865,462 km (0.069 R)
• M22: 24,388,492 km (0.113 R)
• M23: 32,274,394 km (0.067 R)
• M24: 32,902,705 km (0.112 R)
• M25: 34,183,861 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.5

Radius: 7.5

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 14.45 AU - 18.69 AU

Year: 25826 Days

Day: 19.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,685,899 km

• M1: 93,349 km (0.088 R)
• M2: 380,427 km (0.091 R)
• M3: 913,744 km (0.081 R)
• M4: 1,477,578 km (0.079 R)
• M5: 2,144,186 km (0.107 R)
• M6: 3,544,722 km (0.119 R)
• M7: 3,924,401 km (0.071 R)
• M8: 6,243,916 km (0.105 R)
• M9: 6,703,929 km (0.071 R)
• M10: 7,486,625 km (0.036 R)
• M11: 8,548,920 km (0.046 R)
• M12: 9,409,108 km (0.086 R)
• M13: 12,264,781 km (0.096 R)
• M14: 13,208,146 km (0.117 R)
• M15: 16,500,047 km (0.053 R)
• M16: 18,103,886 km (0.086 R)
• M17: 18,567,340 km (0.115 R)
• M18: 19,517,735 km (0.12 R)
• M19: 20,600,225 km (0.118 R)
• M20: 24,535,547 km (0.081 R)
• M21: 24,874,984 km (0.1 R)
• M22: 27,098,158 km (0.119 R)
• M23: 29,705,799 km (0.112 R)
• M24: 32,340,516 km (0.085 R)
• M25: 41,331,797 km (0.106 R)
• M26: 42,622,079 km (0.07 R)
• M27: 43,607,181 km (0.095 R)
• M28: 48,229,007 km (0.117 R)
• M29: 62,970,381 km (0.118 R)
• M30: 69,304,505 km (0.03 R)
• M31: 69,756,290 km (0.064 R)
• M32: 73,442,232 km (0.09 R)
• M33: 78,229,663 km (0.072 R)
• M34: 80,699,524 km (0.095 R)
• M35: 81,450,505 km (0.025 R)
• M36: 83,731,424 km (0.088 R)
• M37: 86,315,428 km (0.119 R)
• M38: 87,363,661 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 13,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit