🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.7

Radius: 10.8

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.04 AU - 1.42 AU

Year: 942 Days

Day: 9.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,942,103 km

• M1: 134,339 km (0.086 R)
• M2: 1,305,989 km (0.058 R)
• M3: 3,579,279 km (0.078 R)
• M4: 4,046,622 km (0.086 R)
• M5: 4,974,877 km (0.058 R)
• M6: 5,370,264 km (0.076 R)
• M7: 6,039,416 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.6

Radius: 14.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.99 AU - 2.01 AU

Year: 1952 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,942,103 km

• M1: 175,478 km (0.11 R)
• M2: 767,587 km (0.069 R)
• M3: 1,256,622 km (0.11 R)
• M4: 1,853,966 km (0.112 R)
• M5: 2,692,762 km (0.099 R)
• M6: 3,519,290 km (0.115 R)
• M7: 4,412,389 km (0.114 R)
• M8: 6,321,856 km (0.092 R)
• M9: 8,702,108 km (0.056 R)
• M10: 9,592,215 km (0.036 R)
• M11: 10,093,668 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.7

Radius: 10

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.87 AU - 2.73 AU

Year: 2408 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,942,103 km

• M1: 124,316 km (0.057 R)
• M2: 474,375 km (0.104 R)
• M3: 965,804 km (0.108 R)
• M4: 1,401,732 km (0.045 R)
• M5: 1,772,585 km (0.093 R)
• M6: 2,320,413 km (0.113 R)
• M7: 2,792,992 km (0.113 R)
• M8: 3,552,650 km (0.06 R)
• M9: 3,883,262 km (0.115 R)
• M10: 4,303,632 km (0.095 R)
• M11: 5,356,651 km (0.106 R)
• M12: 5,729,299 km (0.083 R)
• M13: 7,049,351 km (0.093 R)
• M14: 7,371,285 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200

Radius: 8.4

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.23 AU - 2.61 AU

Year: 2599 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,942,103 km

• M1: 106,962 km (0.111 R)
• M2: 404,961 km (0.1 R)
• M3: 776,413 km (0.073 R)
• M4: 1,191,098 km (0.088 R)
• M5: 2,742,428 km (0.06 R)
• M6: 3,933,078 km (0.108 R)
• M7: 4,379,328 km (0.078 R)
• M8: 6,930,570 km (0.101 R)
• M9: 7,964,740 km (0.044 R)
• M10: 9,656,692 km (0.11 R)
• M11: 11,082,360 km (0.094 R)
• M12: 12,643,114 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.6

Radius: 14.7

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.18 AU - 3.02 AU

Year: 2894 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 69.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,942,103 km

• M1: 183,557 km (0.102 R)
• M2: 719,715 km (0.107 R)
• M3: 1,242,560 km (0.09 R)
• M4: 3,023,822 km (0.105 R)
• M5: 4,345,669 km (0.105 R)
• M6: 5,033,819 km (0.068 R)
• M7: 5,771,187 km (0.103 R)
• M8: 6,334,423 km (0.039 R)
• M9: 6,806,105 km (0.082 R)
• M10: 7,544,370 km (0.103 R)
• M11: 8,277,101 km (0.103 R)
• M12: 8,964,652 km (0.087 R)
• M13: 10,284,554 km (0.119 R)
• M14: 12,178,613 km (0.114 R)
• M15: 12,911,343 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.8

Radius: 8.9

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.82 AU - 3.48 AU

Year: 3859 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 105.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,942,103 km

• M1: 110,702 km (0.087 R)
• M2: 413,040 km (0.082 R)
• M3: 714,779 km (0.072 R)
• M4: 1,052,271 km (0.111 R)
• M5: 1,560,455 km (0.104 R)
• M6: 2,684,983 km (0.115 R)
• M7: 3,464,836 km (0.075 R)
• M8: 4,919,227 km (0.096 R)
• M9: 5,389,862 km (0.109 R)
• M10: 6,595,471 km (0.093 R)
• M11: 7,514,750 km (0.038 R)
• M12: 7,905,499 km (0.106 R)
• M13: 8,551,912 km (0.053 R)
• M14: 8,870,256 km (0.099 R)
• M15: 10,501,621 km (0.088 R)
• M16: 11,073,534 km (0.108 R)
• M17: 11,537,287 km (0.075 R)
• M18: 12,324,022 km (0.119 R)
• M19: 12,914,186 km (0.064 R)
• M20: 13,286,684 km (0.061 R)
• M21: 14,004,305 km (0.088 R)
• M22: 15,052,089 km (0.12 R)
• M23: 17,472,134 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.3

Radius: 5.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.98 AU - 6.22 AU

Year: 10399 Days

Day: 17.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,942,103 km

• M1: 92,601 km (0.09 R)
• M2: 454,628 km (0.115 R)
• M3: 676,631 km (0.057 R)
• M4: 962,662 km (0.082 R)
• M5: 2,600,161 km (0.104 R)
• M6: 4,304,529 km (0.055 R)
• M7: 4,981,011 km (0.084 R)
• M8: 6,542,812 km (0.045 R)
• M9: 13,561,496 km (0.09 R)
• M10: 14,889,027 km (0.119 R)
• M11: 15,176,106 km (0.078 R)
• M12: 24,319,228 km (0.072 R)
• M13: 24,557,687 km (0.105 R)
• M14: 25,201,257 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.1

Radius: 3.6

Gravity: 69.53 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.94 AU - 6.72 AU

Year: 10993 Days

Day: 16 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,942,103 km

• M1: 50,265 km (0.115 R)
• M2: 360,082 km (0.106 R)
• M3: 623,823 km (0.103 R)
• M4: 1,182,122 km (0.061 R)
• M5: 1,338,751 km (0.051 R)
• M6: 1,791,883 km (0.073 R)
• M7: 2,017,178 km (0.11 R)
• M8: 2,922,245 km (0.052 R)
• M9: 3,087,850 km (0.112 R)
• M10: 3,234,605 km (0.069 R)
• M11: 6,421,788 km (0.098 R)
• M12: 7,286,463 km (0.068 R)
• M13: 9,966,809 km (0.076 R)
• M14: 10,838,515 km (0.115 R)
• M15: 11,292,994 km (0.086 R)
• M16: 11,878,669 km (0.083 R)
• M17: 13,495,972 km (0.066 R)
• M18: 15,184,034 km (0.079 R)
• M19: 18,169,110 km (0.114 R)
• M20: 19,631,280 km (0.079 R)
• M21: 21,700,518 km (0.103 R)
• M22: 22,603,939 km (0.095 R)
• M23: 24,485,581 km (0.072 R)
• M24: 28,557,037 km (0.104 R)
• M25: 30,082,187 km (0.081 R)
• M26: 31,775,635 km (0.048 R)
• M27: 36,097,069 km (0.112 R)
• M28: 38,397,585 km (0.096 R)
• M29: 45,735,211 km (0.088 R)
• M30: 46,769,231 km (0.098 R)
• M31: 48,883,498 km (0.076 R)
• M32: 50,432,285 km (0.09 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 13,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit