🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 15

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.67 AU - 0.71 AU

Year: 403 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 32,939,969 km

• M1: 189,840 km (0.071 R)
• M2: 719,117 km (0.091 R)
• M3: 1,270,984 km (0.061 R)
• M4: 1,854,864 km (0.071 R)
• M5: 2,705,777 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.7

Radius: 14.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.09 AU - 1.35 AU

Year: 947 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,939,969 km

• M1: 185,352 km (0.088 R)
• M2: 670,049 km (0.043 R)
• M3: 1,149,360 km (0.092 R)
• M4: 1,994,588 km (0.096 R)
• M5: 2,773,694 km (0.109 R)
• M6: 4,360,030 km (0.063 R)
• M7: 4,870,308 km (0.085 R)
• M8: 5,844,938 km (0.073 R)
• M9: 6,715,299 km (0.058 R)
• M10: 8,525,583 km (0.107 R)
• M11: 9,271,627 km (0.098 R)
• M12: 9,852,067 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 15

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.81 AU - 2.61 AU

Year: 2309 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,939,969 km

• M1: 187,446 km (0.091 R)
• M2: 809,923 km (0.081 R)
• M3: 2,094,221 km (0.064 R)
• M4: 2,760,230 km (0.089 R)
• M5: 3,504,330 km (0.085 R)
• M6: 4,083,872 km (0.083 R)
• M7: 4,859,986 km (0.112 R)
• M8: 5,711,497 km (0.078 R)
• M9: 6,310,038 km (0.115 R)
• M10: 6,852,779 km (0.09 R)
• M11: 8,643,167 km (0.045 R)
• M12: 9,165,562 km (0.071 R)
• M13: 11,264,271 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732

Radius: 11.8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.89 AU - 2.95 AU

Year: 2646 Days

Day: 12.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,939,969 km

• M1: 169,943 km (0.099 R)
• M2: 572,960 km (0.118 R)
• M3: 1,105,827 km (0.096 R)
• M4: 1,559,259 km (0.06 R)
• M5: 2,534,936 km (0.088 R)
• M6: 3,374,928 km (0.117 R)
• M7: 3,821,328 km (0.05 R)
• M8: 5,378,642 km (0.117 R)
• M9: 5,807,539 km (0.104 R)
• M10: 6,507,657 km (0.057 R)
• M11: 7,202,988 km (0.11 R)
• M12: 7,756,650 km (0.114 R)
• M13: 8,141,266 km (0.064 R)
• M14: 9,444,562 km (0.079 R)
• M15: 9,921,032 km (0.062 R)
• M16: 11,324,708 km (0.06 R)
• M17: 13,351,161 km (0.119 R)
• M18: 14,474,342 km (0.092 R)
• M19: 15,009,753 km (0.088 R)
• M20: 16,120,218 km (0.112 R)
• M21: 16,590,105 km (0.055 R)
• M22: 17,338,992 km (0.119 R)
• M23: 18,618,203 km (0.11 R)
• M24: 19,368,436 km (0.108 R)
• M25: 19,959,198 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 8.1

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.83 AU - 3.65 AU

Year: 4099 Days

Day: 13.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,939,969 km

• M1: 102,624 km (0.065 R)
• M2: 508,184 km (0.098 R)
• M3: 1,192,594 km (0.101 R)
• M4: 1,679,984 km (0.071 R)
• M5: 2,147,477 km (0.079 R)
• M6: 3,016,940 km (0.119 R)
• M7: 4,481,653 km (0.037 R)
• M8: 7,720,896 km (0.095 R)
• M9: 8,006,328 km (0.1 R)
• M10: 10,017,522 km (0.053 R)
• M11: 11,059,920 km (0.097 R)
• M12: 11,752,409 km (0.119 R)
• M13: 15,604,105 km (0.06 R)
• M14: 16,579,184 km (0.09 R)
• M15: 18,593,669 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.6

Radius: 8.4

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.53 AU - 3.61 AU

Year: 4741 Days

Day: 5.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,939,969 km

• M1: 104,419 km (0.092 R)
• M2: 383,270 km (0.068 R)
• M3: 1,023,848 km (0.071 R)
• M4: 1,437,187 km (0.12 R)
• M5: 1,847,683 km (0.064 R)
• M6: 5,975,537 km (0.116 R)
• M7: 8,409,495 km (0.095 R)
• M8: 9,173,790 km (0.047 R)
• M9: 9,879,743 km (0.072 R)
• M10: 10,193,150 km (0.077 R)
• M11: 14,491,247 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.3

Radius: 6

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.5 AU - 6.5 AU

Year: 10331 Days

Day: 21.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 123.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,939,969 km

• M1: 78,688 km (0.119 R)
• M2: 370,404 km (0.08 R)
• M3: 594,352 km (0.027 R)
• M4: 1,255,725 km (0.117 R)
• M5: 1,780,215 km (0.077 R)
• M6: 2,724,327 km (0.069 R)
• M7: 3,870,546 km (0.117 R)
• M8: 4,857,592 km (0.104 R)
• M9: 5,249,688 km (0.086 R)
• M10: 7,794,199 km (0.116 R)
• M11: 8,059,884 km (0.042 R)
• M12: 8,292,509 km (0.062 R)
• M13: 13,609,517 km (0.111 R)
• M14: 15,972,864 km (0.115 R)
• M15: 23,953,611 km (0.038 R)
• M16: 26,339,847 km (0.089 R)
• M17: 28,163,594 km (0.098 R)
• M18: 29,977,319 km (0.107 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: 418 - 20,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit