🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.1

Radius: 8.8

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.42 AU - 0.64 AU

Year: 262 Days

Day: 9.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,216,703 km

• M1: 109,506 km (0.07 R)
• M2: 411,245 km (0.057 R)
• M3: 711,338 km (0.117 R)
• M4: 1,016,218 km (0.079 R)
• M5: 1,545,645 km (0.084 R)
• M6: 2,002,667 km (0.094 R)
• M7: 2,285,855 km (0.101 R)
• M8: 2,653,118 km (0.038 R)
• M9: 3,032,349 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.9

Radius: 9.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.6 AU - 0.66 AU

Year: 339 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,216,703 km

• M1: 123,119 km (0.1 R)
• M2: 567,574 km (0.073 R)
• M3: 898,634 km (0.113 R)
• M4: 1,329,027 km (0.117 R)
• M5: 2,489,458 km (0.109 R)
• M6: 2,968,171 km (0.097 R)
• M7: 3,507,621 km (0.119 R)
• M8: 4,237,509 km (0.052 R)
• M9: 4,604,922 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 8.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.9 AU - 0.98 AU

Year: 618 Days

Day: 5.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,216,703 km

• M1: 102,026 km (0.098 R)
• M2: 470,934 km (0.096 R)
• M3: 785,090 km (0.077 R)
• M4: 1,103,583 km (0.101 R)
• M5: 1,421,329 km (0.042 R)
• M6: 1,815,520 km (0.112 R)
• M7: 2,557,974 km (0.104 R)
• M8: 3,740,246 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.7

Radius: 13.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.39 AU - 1.45 AU

Year: 1148 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,216,703 km

• M1: 173,534 km (0.119 R)
• M2: 606,470 km (0.053 R)
• M3: 1,098,647 km (0.12 R)
• M4: 1,560,007 km (0.119 R)
• M5: 2,031,539 km (0.064 R)
• M6: 2,623,199 km (0.06 R)
• M7: 3,788,716 km (0.113 R)
• M8: 4,359,731 km (0.113 R)
• M9: 4,950,493 km (0.072 R)
• M10: 5,634,903 km (0.069 R)
• M11: 7,002,527 km (0.028 R)
• M12: 8,073,947 km (0.078 R)
• M13: 8,856,493 km (0.083 R)
• M14: 9,718,626 km (0.106 R)
• M15: 10,604,544 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.4

Radius: 9.8

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3 AU - 3.6 AU

Year: 4066 Days

Day: 9.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,216,703 km

• M1: 121,922 km (0.104 R)
• M2: 552,315 km (0.059 R)
• M3: 1,230,143 km (0.117 R)
• M4: 2,039,617 km (0.044 R)
• M5: 3,775,850 km (0.115 R)
• M6: 4,626,613 km (0.112 R)
• M7: 5,163,670 km (0.117 R)
• M8: 6,704,827 km (0.113 R)
• M9: 7,125,496 km (0.115 R)
• M10: 7,807,214 km (0.058 R)
• M11: 8,949,094 km (0.055 R)
• M12: 10,887,583 km (0.12 R)
• M13: 11,978,601 km (0.093 R)
• M14: 12,647,752 km (0.104 R)
• M15: 12,991,528 km (0.102 R)
• M16: 13,801,002 km (0.118 R)
• M17: 14,913,861 km (0.091 R)
• M18: 15,242,527 km (0.073 R)
• M19: 17,257,461 km (0.071 R)
• M20: 17,619,787 km (0.066 R)
• M21: 18,611,321 km (0.056 R)
• M22: 20,502,239 km (0.119 R)
• M23: 23,023,711 km (0.116 R)
• M24: 23,759,283 km (0.048 R)
• M25: 26,697,984 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 12.3

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.13 AU - 4.93 AU

Year: 5487 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,216,703 km

• M1: 153,188 km (0.118 R)
• M2: 632,649 km (0.092 R)
• M3: 1,047,783 km (0.055 R)
• M4: 1,958,535 km (0.106 R)
• M5: 2,717,296 km (0.069 R)
• M6: 4,972,783 km (0.119 R)
• M7: 5,865,284 km (0.092 R)
• M8: 6,269,497 km (0.062 R)
• M9: 6,692,261 km (0.051 R)
• M10: 8,131,243 km (0.042 R)
• M11: 11,439,001 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.1

Radius: 6.9

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.03 AU - 11.85 AU

Year: 21255 Days

Day: 18.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,216,703 km

• M1: 85,869 km (0.042 R)
• M2: 483,949 km (0.105 R)
• M3: 790,924 km (0.092 R)
• M4: 1,757,177 km (0.092 R)
• M5: 2,498,284 km (0.1 R)
• M6: 2,939,449 km (0.06 R)
• M7: 4,098,682 km (0.072 R)
• M8: 5,765,352 km (0.066 R)
• M9: 8,032,209 km (0.028 R)
• M10: 9,148,807 km (0.097 R)
• M11: 10,193,599 km (0.042 R)
• M12: 13,048,824 km (0.101 R)
• M13: 14,226,608 km (0.06 R)
• M14: 18,099,398 km (0.112 R)
• M15: 18,950,310 km (0.11 R)
• M16: 19,738,691 km (0.068 R)
• M17: 26,093,758 km (0.106 R)
• M18: 26,850,125 km (0.108 R)
• M19: 28,633,780 km (0.074 R)
• M20: 32,808,309 km (0.035 R)
• M21: 35,235,983 km (0.052 R)
• M22: 41,167,240 km (0.113 R)
• M23: 44,597,220 km (0.119 R)
• M24: 45,833,646 km (0.063 R)
• M25: 56,918,250 km (0.102 R)
• M26: 64,632,414 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 12,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit