🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.49 AU - 0.71 AU

Year: 172 Days

Day: 22.7 Hours

Environment

Temp: 218 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,663,059 km

• M1: 88,562 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.11 AU - 1.67 AU

Year: 608 Days

Day: 12.3 Hours

Environment

Temp: -33 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.23 AU - 2.61 AU

Year: 1396 Days

Day: 22.9 Hours

Environment

Temp: -99 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.4

Radius: 9.5

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.47 AU - 8.85 AU

Year: 7862 Days

Day: 10.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,663,059 km

• M1: 137,181 km (0.088 R)
• M2: 487,539 km (0.12 R)
• M3: 908,059 km (0.078 R)
• M4: 1,290,880 km (0.091 R)
• M5: 1,591,721 km (0.118 R)
• M6: 1,895,704 km (0.102 R)
• M7: 2,623,647 km (0.102 R)
• M8: 3,219,496 km (0.102 R)
• M9: 3,782,881 km (0.112 R)
• M10: 6,267,552 km (0.061 R)
• M11: 7,946,340 km (0.096 R)
• M12: 11,345,652 km (0.102 R)
• M13: 12,810,514 km (0.115 R)
• M14: 17,551,271 km (0.104 R)
• M15: 19,288,850 km (0.096 R)
• M16: 23,755,992 km (0.115 R)
• M17: 25,443,905 km (0.072 R)
• M18: 26,228,845 km (0.063 R)
• M19: 31,182,779 km (0.1 R)
• M20: 33,931,191 km (0.039 R)
• M21: 36,947,981 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.1

Radius: 5.4

Gravity: 13.93 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 15.1 AU - 17.8 AU

Year: 24743 Days

Day: 19.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,663,059 km

• M1: 67,169 km (0.096 R)
• M2: 320,588 km (0.11 R)
• M3: 489,185 km (0.118 R)
• M4: 673,789 km (0.104 R)
• M5: 1,149,510 km (0.093 R)
• M6: 1,564,495 km (0.112 R)
• M7: 1,880,744 km (0.03 R)
• M8: 3,276,941 km (0.094 R)
• M9: 4,234,368 km (0.119 R)
• M10: 7,137,614 km (0.086 R)
• M11: 8,778,702 km (0.062 R)
• M12: 10,178,340 km (0.119 R)
• M13: 15,726,626 km (0.075 R)
• M14: 20,938,466 km (0.094 R)
• M15: 21,225,694 km (0.098 R)
• M16: 21,612,704 km (0.078 R)
• M17: 22,701,327 km (0.082 R)
• M18: 24,454,914 km (0.101 R)
• M19: 25,965,254 km (0.085 R)
• M20: 29,648,802 km (0.063 R)
• M21: 30,010,978 km (0.104 R)
• M22: 33,274,905 km (0.115 R)
• M23: 34,457,626 km (0.038 R)
• M24: 34,992,288 km (0.068 R)
• M25: 43,376,950 km (0.106 R)
• M26: 44,945,932 km (0.069 R)
• M27: 46,066,570 km (0.035 R)
• M28: 46,390,150 km (0.112 R)
• M29: 48,697,548 km (0.104 R)
• M30: 53,006,415 km (0.039 R)
• M31: 57,750,014 km (0.099 R)
• M32: 61,194,804 km (0.079 R)
• M33: 69,123,192 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 18,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit