🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.3

Radius: 10

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.73 AU

Year: 345 Days

Day: 5.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,282,430 km

• M1: 124,615 km (0.054 R)
• M2: 618,737 km (0.035 R)
• M3: 981,362 km (0.079 R)
• M4: 1,343,987 km (0.102 R)
• M5: 1,831,078 km (0.082 R)
• M6: 2,148,076 km (0.099 R)
• M7: 2,528,054 km (0.092 R)
• M8: 2,933,614 km (0.059 R)
• M9: 3,414,422 km (0.089 R)
• M10: 3,759,993 km (0.062 R)
• M11: 4,265,484 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.4

Radius: 14.7

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.25 AU - 4.73 AU

Year: 5501 Days

Day: 8.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,282,430 km

• M1: 183,257 km (0.078 R)
• M2: 852,558 km (0.067 R)
• M3: 1,424,471 km (0.06 R)
• M4: 4,795,659 km (0.027 R)
• M5: 5,480,967 km (0.103 R)
• M6: 7,012,849 km (0.058 R)
• M7: 7,669,883 km (0.095 R)
• M8: 8,447,792 km (0.107 R)
• M9: 9,065,332 km (0.094 R)
• M10: 9,757,222 km (0.06 R)
• M11: 10,299,065 km (0.119 R)
• M12: 11,542,224 km (0.113 R)
• M13: 13,207,248 km (0.053 R)
• M14: 15,027,405 km (0.104 R)
• M15: 20,302,376 km (0.069 R)
• M16: 21,113,047 km (0.114 R)
• M17: 22,877,554 km (0.112 R)
• M18: 24,655,674 km (0.088 R)
• M19: 26,874,061 km (0.095 R)
• M20: 27,672,165 km (0.071 R)
• M21: 28,212,812 km (0.076 R)
• M22: 31,901,596 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.8

Radius: 15

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.7 AU - 4.46 AU

Year: 5689 Days

Day: 11.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,282,430 km

• M1: 186,549 km (0.11 R)
• M2: 686,953 km (0.053 R)
• M3: 1,288,935 km (0.113 R)
• M4: 1,923,230 km (0.025 R)
• M5: 2,486,317 km (0.099 R)
• M6: 3,424,295 km (0.118 R)
• M7: 4,435,577 km (0.06 R)
• M8: 4,903,369 km (0.068 R)
• M9: 6,477,737 km (0.118 R)
• M10: 8,407,101 km (0.025 R)
• M11: 11,737,898 km (0.086 R)
• M12: 12,743,195 km (0.104 R)
• M13: 13,696,583 km (0.118 R)
• M14: 14,302,155 km (0.108 R)
• M15: 15,156,807 km (0.118 R)
• M16: 18,518,571 km (0.067 R)
• M17: 19,950,821 km (0.091 R)
• M18: 22,048,632 km (0.086 R)
• M19: 23,035,379 km (0.112 R)
• M20: 24,130,585 km (0.085 R)
• M21: 25,342,478 km (0.092 R)
• M22: 30,412,200 km (0.115 R)
• M23: 31,255,334 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.2

Radius: 5.1

Gravity: 27.61 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.95 AU - 6.29 AU

Year: 9196 Days

Day: 23.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,282,430 km

• M1: 63,729 km (0.114 R)
• M2: 281,543 km (0.119 R)
• M3: 764,894 km (0.066 R)
• M4: 1,105,678 km (0.102 R)
• M5: 1,292,675 km (0.083 R)
• M6: 2,940,795 km (0.081 R)
• M7: 3,422,051 km (0.092 R)
• M8: 4,747,040 km (0.1 R)
• M9: 4,991,931 km (0.059 R)
• M10: 5,573,717 km (0.076 R)
• M11: 7,882,611 km (0.091 R)
• M12: 11,183,189 km (0.093 R)
• M13: 12,288,867 km (0.118 R)
• M14: 16,383,809 km (0.058 R)
• M15: 20,732,320 km (0.05 R)
• M16: 24,593,142 km (0.096 R)
• M17: 24,866,457 km (0.099 R)
• M18: 30,870,717 km (0.064 R)
• M19: 36,933,770 km (0.079 R)
• M20: 38,137,284 km (0.114 R)
• M21: 40,116,913 km (0.118 R)
• M22: 43,345,534 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223

Radius: 3.1

Gravity: 23.2 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.1 AU - 8.42 AU

Year: 13503 Days

Day: 20.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,282,430 km

• M1: 43,832 km (0.102 R)
• M2: 146,606 km (0.116 R)
• M3: 293,361 km (0.079 R)
• M4: 587,920 km (0.088 R)
• M5: 1,071,719 km (0.114 R)
• M6: 1,606,382 km (0.106 R)
• M7: 2,077,017 km (0.095 R)
• M8: 2,407,479 km (0.102 R)
• M9: 3,106,101 km (0.089 R)
• M10: 4,270,421 km (0.073 R)
• M11: 5,795,721 km (0.085 R)
• M12: 6,340,407 km (0.106 R)
• M13: 6,446,172 km (0.057 R)
• M14: 6,993,102 km (0.075 R)
• M15: 8,731,280 km (0.067 R)
• M16: 9,583,389 km (0.112 R)
• M17: 10,197,488 km (0.045 R)
• M18: 10,342,898 km (0.099 R)
• M19: 13,901,382 km (0.105 R)
• M20: 14,934,655 km (0.111 R)
• M21: 20,031,454 km (0.099 R)
• M22: 26,266,095 km (0.09 R)
• M23: 29,867,963 km (0.045 R)
• M24: 30,565,538 km (0.051 R)
• M25: 34,761,010 km (0.089 R)
• M26: 37,339,030 km (0.086 R)
• M27: 38,733,282 km (0.111 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: 180 - 11,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit