🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.29 AU - 1.55 AU

Year: 597 Days

Day: 31.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 29.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.44 AU - 1.68 AU

Year: 688 Days

Day: 35.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.87 AU - 2.45 AU

Year: 1121 Days

Day: 12.4 Hours

Environment

Temp: -71 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74

Radius: 14

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.7 AU - 9.82 AU

Year: 9950 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 116,079,136 km

• M1: 180,864 km (0.114 R)
• M2: 685,906 km (0.079 R)
• M3: 2,734,051 km (0.079 R)
• M4: 3,240,140 km (0.062 R)
• M5: 4,355,392 km (0.066 R)
• M6: 5,349,470 km (0.106 R)
• M7: 6,317,518 km (0.115 R)
• M8: 8,885,366 km (0.099 R)
• M9: 10,521,966 km (0.05 R)
• M10: 11,821,074 km (0.097 R)
• M11: 12,396,577 km (0.068 R)
• M12: 15,560,423 km (0.112 R)
• M13: 17,132,247 km (0.084 R)
• M14: 17,870,363 km (0.04 R)
• M15: 19,288,551 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 20.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890

Radius: 7.7

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 16.62 AU - 24.62 AU

Year: 33062 Days

Day: 17.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 116,079,136 km

• M1: 95,892 km (0.063 R)
• M2: 665,561 km (0.096 R)
• M3: 942,616 km (0.093 R)
• M4: 1,313,918 km (0.074 R)
• M5: 1,620,295 km (0.113 R)
• M6: 2,378,606 km (0.073 R)
• M7: 3,103,707 km (0.097 R)
• M8: 3,484,583 km (0.101 R)
• M9: 3,825,517 km (0.105 R)
• M10: 4,858,490 km (0.092 R)
• M11: 6,975,749 km (0.101 R)
• M12: 8,936,528 km (0.1 R)
• M13: 13,083,531 km (0.05 R)
• M14: 14,163,029 km (0.071 R)
• M15: 16,975,020 km (0.106 R)
• M16: 20,031,005 km (0.106 R)
• M17: 21,349,711 km (0.086 R)
• M18: 22,030,381 km (0.06 R)
• M19: 25,148,150 km (0.1 R)
• M20: 28,276,242 km (0.11 R)
• M21: 31,654,610 km (0.107 R)
• M22: 32,390,781 km (0.115 R)
• M23: 46,904,767 km (0.083 R)
• M24: 47,668,913 km (0.108 R)
• M25: 48,441,436 km (0.088 R)
• M26: 51,412,749 km (0.061 R)
• M27: 56,631,022 km (0.092 R)
• M28: 63,811,570 km (0.062 R)
• M29: 69,578,718 km (0.108 R)
• M30: 75,161,860 km (0.041 R)
• M31: 78,329,595 km (0.066 R)
• M32: 86,922,496 km (0.073 R)
• M33: 88,655,139 km (0.116 R)
• M34: 92,487,836 km (0.111 R)
• M35: 98,910,223 km (0.099 R)
• M36: 107,927,085 km (0.031 R)
• M37: 109,592,857 km (0.115 R)
• M38: 114,003,900 km (0.059 R)
• M39: 115,038,369 km (0.104 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 19,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit