🌌 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: 563.3

Radius: 12.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 11.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,242,557 km

• M1: 156,629 km (0.025 R)
• M2: 597,344 km (0.108 R)
• M3: 1,166,415 km (0.118 R)
• M4: 1,647,073 km (0.085 R)
• M5: 2,199,089 km (0.09 R)
• M6: 2,625,293 km (0.1 R)
• M7: 3,194,663 km (0.041 R)
• M8: 3,691,178 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.9

Radius: 14.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.53 AU - 0.67 AU

Year: 315 Days

Day: 13 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,242,557 km

• M1: 181,612 km (0.117 R)
• M2: 643,121 km (0.027 R)
• M3: 1,147,416 km (0.116 R)
• M4: 1,733,241 km (0.101 R)
• M5: 2,266,557 km (0.082 R)
• M6: 3,125,848 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561

Radius: 10

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.16 AU - 2.22 AU

Year: 2198 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,242,557 km

• M1: 124,465 km (0.037 R)
• M2: 461,509 km (0.038 R)
• M3: 919,129 km (0.107 R)
• M4: 1,359,994 km (0.104 R)
• M5: 2,102,299 km (0.116 R)
• M6: 2,592,681 km (0.09 R)
• M7: 3,287,114 km (0.112 R)
• M8: 4,535,059 km (0.06 R)
• M9: 5,901,486 km (0.069 R)
• M10: 7,324,611 km (0.118 R)
• M11: 7,876,029 km (0.113 R)
• M12: 8,238,355 km (0.095 R)
• M13: 8,802,937 km (0.1 R)
• M14: 10,983,625 km (0.071 R)
• M15: 13,459,470 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.7

Radius: 12.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.62 AU - 2.92 AU

Year: 3127 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,242,557 km

• M1: 160,369 km (0.118 R)
• M2: 566,078 km (0.118 R)
• M3: 1,049,279 km (0.106 R)
• M4: 2,338,065 km (0.075 R)
• M5: 4,167,348 km (0.087 R)
• M6: 5,624,581 km (0.102 R)
• M7: 6,484,469 km (0.1 R)
• M8: 6,931,019 km (0.109 R)
• M9: 7,494,105 km (0.087 R)
• M10: 11,930,281 km (0.094 R)
• M11: 12,786,878 km (0.083 R)
• M12: 13,683,867 km (0.11 R)
• M13: 14,421,384 km (0.109 R)
• M14: 15,341,112 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 12.5

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.9 AU - 3.92 AU

Year: 5244 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,242,557 km

• M1: 155,582 km (0.029 R)
• M2: 570,716 km (0.067 R)
• M3: 1,082,789 km (0.025 R)
• M4: 2,170,366 km (0.105 R)
• M5: 2,931,669 km (0.12 R)
• M6: 3,436,562 km (0.096 R)
• M7: 4,673,138 km (0.074 R)
• M8: 5,884,432 km (0.105 R)
• M9: 6,823,458 km (0.076 R)
• M10: 8,228,032 km (0.11 R)
• M11: 8,801,740 km (0.112 R)
• M12: 10,375,211 km (0.116 R)
• M13: 11,228,966 km (0.032 R)
• M14: 11,791,903 km (0.033 R)
• M15: 12,872,897 km (0.115 R)
• M16: 13,858,747 km (0.033 R)
• M17: 15,689,825 km (0.093 R)
• M18: 19,691,867 km (0.03 R)
• M19: 21,567,824 km (0.092 R)
• M20: 24,019,135 km (0.07 R)
• M21: 25,192,581 km (0.038 R)
• M22: 25,672,491 km (0.072 R)
• M23: 26,403,875 km (0.102 R)
• M24: 28,594,735 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.9

Radius: 4

Gravity: 49.93 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.82 AU - 7.72 AU

Year: 10649 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 112.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,242,557 km

• M1: 49,816 km (0.119 R)
• M2: 176,226 km (0.074 R)
• M3: 457,769 km (0.08 R)
• M4: 822,788 km (0.083 R)
• M5: 984,354 km (0.082 R)
• M6: 1,570,628 km (0.087 R)
• M7: 2,227,064 km (0.082 R)
• M8: 2,401,345 km (0.105 R)
• M9: 3,143,799 km (0.103 R)
• M10: 4,557,948 km (0.117 R)
• M11: 5,862,890 km (0.106 R)
• M12: 6,463,825 km (0.059 R)
• M13: 7,398,063 km (0.049 R)
• M14: 8,098,780 km (0.086 R)
• M15: 9,681,974 km (0.036 R)
• M16: 9,886,923 km (0.086 R)
• M17: 12,216,910 km (0.1 R)
• M18: 12,456,267 km (0.095 R)
• M19: 13,445,109 km (0.069 R)
• M20: 13,636,145 km (0.067 R)
• M21: 15,577,477 km (0.11 R)
• M22: 17,242,351 km (0.115 R)
• M23: 19,750,808 km (0.075 R)
• M24: 20,497,900 km (0.102 R)
• M25: 21,006,234 km (0.084 R)
• M26: 21,697,077 km (0.026 R)
• M27: 23,674,761 km (0.114 R)
• M28: 25,089,956 km (0.041 R)
• M29: 28,400,109 km (0.103 R)
• M30: 32,788,263 km (0.112 R)
• M31: 33,834,251 km (0.116 R)
• M32: 38,881,833 km (0.057 R)
• M33: 45,258,891 km (0.111 R)
• M34: 48,918,803 km (0.076 R)
• M35: 50,283,285 km (0.076 R)
• M36: 50,436,473 km (0.084 R)
• M37: 51,672,900 km (0.039 R)

Asteroid Belt

Center: 6.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.7

Radius: 5.1

Gravity: 35.36 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.99 AU - 7.71 AU

Year: 12160 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,242,557 km

• M1: 63,429 km (0.094 R)
• M2: 270,623 km (0.106 R)
• M3: 926,908 km (0.07 R)
• M4: 1,274,424 km (0.072 R)
• M5: 1,838,857 km (0.096 R)
• M6: 2,016,878 km (0.075 R)
• M7: 2,688,124 km (0.076 R)
• M8: 2,989,713 km (0.052 R)
• M9: 3,288,012 km (0.099 R)
• M10: 3,551,453 km (0.058 R)
• M11: 3,800,534 km (0.094 R)
• M12: 3,973,020 km (0.106 R)
• M13: 4,211,030 km (0.053 R)
• M14: 5,694,742 km (0.055 R)
• M15: 6,075,170 km (0.088 R)
• M16: 7,143,448 km (0.109 R)
• M17: 7,495,901 km (0.09 R)
• M18: 8,235,512 km (0.113 R)
• M19: 10,021,262 km (0.081 R)
• M20: 10,802,612 km (0.065 R)
• M21: 13,062,138 km (0.092 R)
• M22: 14,614,964 km (0.091 R)
• M23: 16,437,964 km (0.086 R)
• M24: 17,207,944 km (0.114 R)
• M25: 18,407,270 km (0.051 R)
• M26: 22,901,639 km (0.073 R)
• M27: 27,751,751 km (0.028 R)
• M28: 34,473,034 km (0.111 R)
• M29: 34,722,414 km (0.09 R)
• M30: 36,760,685 km (0.08 R)
• M31: 42,345,024 km (0.085 R)
• M32: 42,774,519 km (0.092 R)
• M33: 43,062,495 km (0.105 R)
• M34: 44,227,114 km (0.026 R)
• M35: 46,315,650 km (0.11 R)
• M36: 51,659,436 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 15,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit