🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.17 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.26 AU - 2.4 AU

Year: 1280 Days

Day: 42.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,182,296 km

• M1: 91,554 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.72 AU - 3.68 AU

Year: 2060 Days

Day: 20.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.8

Radius: 11.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.31 AU - 11.85 AU

Year: 12385 Days

Day: 6 Hours

Environment

Temp: -180 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,182,296 km

• M1: 144,362 km (0.113 R)
• M2: 519,105 km (0.027 R)
• M3: 950,545 km (0.087 R)
• M4: 1,461,870 km (0.065 R)
• M5: 2,083,898 km (0.114 R)
• M6: 2,963,384 km (0.093 R)
• M7: 3,451,672 km (0.063 R)
• M8: 4,214,172 km (0.109 R)
• M9: 4,772,471 km (0.116 R)
• M10: 5,930,209 km (0.09 R)
• M11: 6,480,430 km (0.083 R)
• M12: 7,984,038 km (0.116 R)
• M13: 10,162,931 km (0.068 R)
• M14: 11,224,179 km (0.058 R)
• M15: 12,299,339 km (0.108 R)
• M16: 13,134,693 km (0.12 R)
• M17: 14,071,176 km (0.111 R)
• M18: 15,456,302 km (0.084 R)
• M19: 17,075,400 km (0.101 R)
• M20: 22,086,181 km (0.082 R)
• M21: 26,213,287 km (0.05 R)
• M22: 32,144,394 km (0.061 R)
• M23: 33,042,579 km (0.101 R)
• M24: 33,612,398 km (0.079 R)
• M25: 34,889,066 km (0.115 R)
• M26: 36,318,473 km (0.101 R)
• M27: 36,681,847 km (0.071 R)
• M28: 43,100,942 km (0.113 R)
• M29: 49,188,677 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.9

Radius: 7.7

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 12.89 AU - 19.61 AU

Year: 23575 Days

Day: 23.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,182,296 km

• M1: 97,239 km (0.104 R)
• M2: 413,788 km (0.104 R)
• M3: 672,442 km (0.106 R)
• M4: 927,806 km (0.066 R)
• M5: 1,168,958 km (0.074 R)
• M6: 1,452,446 km (0.085 R)
• M7: 2,457,893 km (0.049 R)
• M8: 2,854,776 km (0.096 R)
• M9: 3,107,746 km (0.102 R)
• M10: 3,688,336 km (0.094 R)
• M11: 4,114,091 km (0.104 R)
• M12: 4,572,309 km (0.086 R)
• M13: 4,849,065 km (0.045 R)
• M14: 5,907,470 km (0.094 R)
• M15: 6,448,117 km (0.106 R)
• M16: 7,579,975 km (0.091 R)
• M17: 8,524,835 km (0.104 R)
• M18: 9,052,616 km (0.049 R)
• M19: 11,258,586 km (0.093 R)
• M20: 11,509,911 km (0.079 R)
• M21: 14,825,598 km (0.12 R)
• M22: 20,167,887 km (0.034 R)
• M23: 20,820,284 km (0.104 R)
• M24: 23,983,381 km (0.099 R)
• M25: 24,821,428 km (0.117 R)
• M26: 25,896,289 km (0.084 R)
• M27: 26,667,017 km (0.084 R)
• M28: 33,005,629 km (0.117 R)
• M29: 39,119,394 km (0.111 R)
• M30: 45,946,892 km (0.117 R)
• M31: 48,388,179 km (0.07 R)
• M32: 51,086,027 km (0.073 R)

Kuiper Belt

Range: 30.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 13,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit