🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.8

Radius: 14.4

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.39 AU - 1.53 AU

Year: 1218 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 58,552,311 km

• M1: 179,218 km (0.093 R)
• M2: 686,953 km (0.096 R)
• M3: 1,737,729 km (0.098 R)
• M4: 3,085,007 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.2

Radius: 12

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.3 AU - 1.64 AU

Year: 1230 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,552,311 km

• M1: 149,299 km (0.117 R)
• M2: 588,219 km (0.101 R)
• M3: 1,043,744 km (0.106 R)
• M4: 1,527,843 km (0.119 R)
• M5: 2,059,065 km (0.057 R)
• M6: 2,510,551 km (0.103 R)
• M7: 3,383,605 km (0.098 R)
• M8: 4,296,301 km (0.116 R)
• M9: 4,838,145 km (0.066 R)
• M10: 5,308,032 km (0.106 R)
• M11: 5,932,902 km (0.113 R)
• M12: 6,561,363 km (0.113 R)
• M13: 8,716,320 km (0.094 R)
• M14: 9,645,472 km (0.084 R)
• M15: 10,209,755 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.4

Radius: 8.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.66 AU - 1.68 AU

Year: 1490 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,552,311 km

• M1: 103,372 km (0.054 R)
• M2: 383,868 km (0.1 R)
• M3: 1,154,297 km (0.04 R)
• M4: 2,873,326 km (0.047 R)
• M5: 4,834,106 km (0.116 R)
• M6: 5,280,356 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 11.8

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.85 AU - 2.91 AU

Year: 3374 Days

Day: 6.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,552,311 km

• M1: 146,756 km (0.071 R)
• M2: 637,137 km (0.118 R)
• M3: 1,839,306 km (0.099 R)
• M4: 2,708,619 km (0.117 R)
• M5: 3,274,697 km (0.086 R)
• M6: 3,812,651 km (0.081 R)
• M7: 4,432,286 km (0.116 R)
• M8: 4,990,585 km (0.068 R)
• M9: 7,339,571 km (0.089 R)
• M10: 9,227,645 km (0.102 R)
• M11: 12,900,872 km (0.115 R)
• M12: 14,610,476 km (0.113 R)
• M13: 18,230,445 km (0.083 R)
• M14: 20,641,365 km (0.116 R)
• M15: 21,580,989 km (0.079 R)
• M16: 22,478,726 km (0.105 R)
• M17: 25,321,684 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.8

Radius: 8.2

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.5 AU - 3.58 AU

Year: 4597 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,552,311 km

• M1: 102,026 km (0.111 R)
• M2: 420,220 km (0.098 R)
• M3: 723,455 km (0.103 R)
• M4: 1,204,263 km (0.071 R)
• M5: 1,598,304 km (0.085 R)
• M6: 1,925,175 km (0.091 R)
• M7: 2,960,841 km (0.055 R)
• M8: 3,397,517 km (0.081 R)
• M9: 4,121,122 km (0.117 R)
• M10: 4,995,372 km (0.099 R)
• M11: 6,624,493 km (0.114 R)
• M12: 8,032,059 km (0.08 R)
• M13: 8,505,686 km (0.109 R)
• M14: 8,768,230 km (0.105 R)
• M15: 12,549,466 km (0.12 R)
• M16: 12,939,468 km (0.06 R)
• M17: 13,488,791 km (0.082 R)
• M18: 13,846,480 km (0.073 R)
• M19: 15,451,366 km (0.093 R)
• M20: 16,356,283 km (0.103 R)
• M21: 18,147,568 km (0.05 R)
• M22: 25,834,804 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.9

Radius: 6.5

Gravity: 21.13 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.1 AU - 6.8 AU

Year: 10018 Days

Day: 24.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,552,311 km

• M1: 81,680 km (0.077 R)
• M2: 333,454 km (0.086 R)
• M3: 638,185 km (0.057 R)
• M4: 938,577 km (0.061 R)
• M5: 4,014,459 km (0.1 R)
• M6: 5,208,998 km (0.118 R)
• M7: 6,821,962 km (0.108 R)
• M8: 10,399,595 km (0.028 R)
• M9: 11,500,336 km (0.061 R)
• M10: 12,921,366 km (0.041 R)
• M11: 17,425,908 km (0.07 R)
• M12: 19,945,136 km (0.054 R)
• M13: 20,443,147 km (0.118 R)
• M14: 21,119,928 km (0.09 R)
• M15: 21,724,304 km (0.089 R)
• M16: 27,898,058 km (0.092 R)
• M17: 29,365,464 km (0.054 R)
• M18: 30,226,699 km (0.081 R)
• M19: 30,444,663 km (0.117 R)
• M20: 40,310,343 km (0.05 R)
• M21: 49,496,550 km (0.093 R)
• M22: 52,266,953 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.8

Radius: 6.9

Gravity: 20.64 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.7 AU - 7.38 AU

Year: 10246 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,552,311 km

• M1: 85,869 km (0.064 R)
• M2: 565,330 km (0.079 R)
• M3: 788,680 km (0.12 R)
• M4: 1,465,760 km (0.12 R)
• M5: 1,986,510 km (0.101 R)
• M6: 2,417,801 km (0.099 R)
• M7: 2,731,657 km (0.069 R)
• M8: 3,048,805 km (0.091 R)
• M9: 3,466,781 km (0.101 R)
• M10: 4,386,958 km (0.073 R)
• M11: 4,632,747 km (0.075 R)
• M12: 5,219,470 km (0.068 R)
• M13: 6,077,413 km (0.087 R)
• M14: 6,579,614 km (0.065 R)
• M15: 7,844,164 km (0.093 R)
• M16: 8,115,385 km (0.103 R)
• M17: 10,299,065 km (0.053 R)
• M18: 11,125,294 km (0.071 R)
• M19: 11,352,982 km (0.061 R)
• M20: 12,416,025 km (0.069 R)
• M21: 16,219,102 km (0.106 R)
• M22: 18,343,990 km (0.077 R)
• M23: 21,780,104 km (0.106 R)
• M24: 26,019,857 km (0.034 R)
• M25: 34,134,793 km (0.093 R)
• M26: 34,858,398 km (0.1 R)
• M27: 35,592,176 km (0.087 R)
• M28: 38,241,404 km (0.091 R)
• M29: 39,416,047 km (0.073 R)
• M30: 47,419,234 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.3

Radius: 7.8

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.99 AU - 7.13 AU

Year: 11598 Days

Day: 16.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,552,311 km

• M1: 97,089 km (0.088 R)
• M2: 421,118 km (0.094 R)
• M3: 789,877 km (0.062 R)
• M4: 1,260,362 km (0.12 R)
• M5: 1,691,204 km (0.069 R)
• M6: 2,275,084 km (0.116 R)
• M7: 3,304,617 km (0.119 R)
• M8: 4,335,645 km (0.032 R)
• M9: 4,648,006 km (0.087 R)
• M10: 6,050,486 km (0.089 R)
• M11: 6,322,305 km (0.036 R)
• M12: 6,683,734 km (0.117 R)
• M13: 8,081,427 km (0.066 R)
• M14: 11,268,011 km (0.071 R)
• M15: 11,920,258 km (0.103 R)
• M16: 17,443,112 km (0.117 R)
• M17: 18,235,083 km (0.054 R)
• M18: 20,492,814 km (0.115 R)
• M19: 22,097,700 km (0.109 R)
• M20: 24,267,916 km (0.09 R)
• M21: 25,656,334 km (0.074 R)
• M22: 28,590,696 km (0.079 R)
• M23: 30,932,950 km (0.103 R)
• M24: 32,209,618 km (0.066 R)
• M25: 33,763,192 km (0.073 R)
• M26: 35,869,381 km (0.092 R)
• M27: 36,249,808 km (0.111 R)
• M28: 37,148,293 km (0.113 R)
• M29: 40,615,523 km (0.043 R)
• M30: 44,730,661 km (0.102 R)
• M31: 48,494,244 km (0.082 R)
• M32: 51,010,630 km (0.091 R)
• M33: 53,118,314 km (0.085 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: 474 - 19,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit