🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 11.7

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.87 AU - 1.09 AU

Year: 670 Days

Day: 13.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,438,506 km

• M1: 145,559 km (0.096 R)
• M2: 527,931 km (0.087 R)
• M3: 1,007,392 km (0.117 R)
• M4: 1,854,565 km (0.047 R)
• M5: 2,284,060 km (0.035 R)
• M6: 2,908,931 km (0.112 R)
• M7: 3,281,878 km (0.115 R)
• M8: 3,887,301 km (0.065 R)
• M9: 4,294,955 km (0.117 R)
• M10: 5,232,485 km (0.119 R)
• M11: 5,845,986 km (0.109 R)
• M12: 6,362,697 km (0.115 R)
• M13: 7,419,606 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.5

Radius: 14

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.76 AU - 1.78 AU

Year: 1625 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,438,506 km

• M1: 174,431 km (0.104 R)
• M2: 652,696 km (0.065 R)
• M3: 1,089,222 km (0.086 R)
• M4: 1,529,189 km (0.072 R)
• M5: 2,091,378 km (0.089 R)
• M6: 2,951,566 km (0.099 R)
• M7: 3,426,240 km (0.086 R)
• M8: 3,918,866 km (0.107 R)
• M9: 4,495,416 km (0.067 R)
• M10: 5,290,529 km (0.035 R)
• M11: 5,996,930 km (0.066 R)
• M12: 6,693,158 km (0.098 R)
• M13: 7,520,734 km (0.09 R)
• M14: 8,845,124 km (0.114 R)
• M15: 11,014,442 km (0.038 R)
• M16: 12,204,942 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.1

Radius: 13.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.06 AU - 3.42 AU

Year: 4026 Days

Day: 7 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,438,506 km

• M1: 176,675 km (0.049 R)
• M2: 617,690 km (0.114 R)
• M3: 1,055,263 km (0.067 R)
• M4: 1,849,329 km (0.062 R)
• M5: 3,220,094 km (0.096 R)
• M6: 5,186,708 km (0.053 R)
• M7: 5,677,838 km (0.11 R)
• M8: 6,442,283 km (0.112 R)
• M9: 6,914,114 km (0.096 R)
• M10: 9,231,834 km (0.104 R)
• M11: 9,956,337 km (0.12 R)
• M12: 10,892,969 km (0.105 R)
• M13: 12,169,188 km (0.076 R)
• M14: 13,140,079 km (0.083 R)
• M15: 13,695,835 km (0.093 R)
• M16: 14,585,493 km (0.076 R)
• M17: 15,181,491 km (0.095 R)
• M18: 16,020,436 km (0.049 R)
• M19: 19,492,752 km (0.118 R)
• M20: 20,216,357 km (0.093 R)
• M21: 20,957,914 km (0.064 R)
• M22: 21,717,422 km (0.09 R)
• M23: 22,854,964 km (0.049 R)
• M24: 25,715,425 km (0.071 R)
• M25: 26,267,292 km (0.086 R)
• M26: 27,150,368 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.1

Radius: 4.8

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.92 AU - 8.96 AU

Year: 14008 Days

Day: 15.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,438,506 km

• M1: 60,438 km (0.073 R)
• M2: 233,073 km (0.097 R)
• M3: 417,528 km (0.098 R)
• M4: 971,489 km (0.117 R)
• M5: 1,472,342 km (0.056 R)
• M6: 1,649,317 km (0.098 R)
• M7: 1,902,137 km (0.11 R)
• M8: 3,071,394 km (0.052 R)
• M9: 3,361,913 km (0.069 R)
• M10: 6,313,329 km (0.11 R)
• M11: 13,882,682 km (0.046 R)
• M12: 14,675,252 km (0.041 R)
• M13: 17,095,745 km (0.076 R)
• M14: 18,076,958 km (0.114 R)
• M15: 20,693,425 km (0.104 R)
• M16: 21,325,027 km (0.087 R)
• M17: 34,447,004 km (0.111 R)
• M18: 34,777,615 km (0.077 R)
• M19: 35,110,471 km (0.095 R)
• M20: 40,237,938 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.4

Radius: 6.5

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 8.06 AU - 8.6 AU

Year: 16595 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,438,506 km

• M1: 82,428 km (0.101 R)
• M2: 419,772 km (0.096 R)
• M3: 802,593 km (0.106 R)
• M4: 2,747,215 km (0.085 R)
• M5: 2,955,755 km (0.106 R)
• M6: 4,407,901 km (0.025 R)
• M7: 5,742,464 km (0.11 R)
• M8: 6,895,564 km (0.063 R)
• M9: 7,239,041 km (0.076 R)
• M10: 9,284,792 km (0.107 R)
• M11: 12,425,150 km (0.094 R)
• M12: 16,511,117 km (0.12 R)
• M13: 21,502,300 km (0.065 R)
• M14: 22,796,472 km (0.098 R)
• M15: 24,734,362 km (0.067 R)
• M16: 30,395,295 km (0.087 R)
• M17: 31,202,226 km (0.117 R)
• M18: 36,216,747 km (0.085 R)
• M19: 47,036,712 km (0.118 R)
• M20: 47,805,645 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127

Radius: 4.5

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.07 AU - 9.87 AU

Year: 20116 Days

Day: 19.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,438,506 km

• M1: 55,950 km (0.108 R)
• M2: 281,244 km (0.091 R)
• M3: 500,405 km (0.092 R)
• M4: 785,688 km (0.096 R)
• M5: 950,694 km (0.066 R)
• M6: 2,188,617 km (0.05 R)
• M7: 2,636,214 km (0.047 R)
• M8: 3,786,621 km (0.11 R)
• M9: 5,826,089 km (0.053 R)
• M10: 5,997,379 km (0.035 R)
• M11: 6,605,344 km (0.103 R)
• M12: 8,239,402 km (0.115 R)
• M13: 8,719,761 km (0.117 R)
• M14: 9,784,299 km (0.12 R)
• M15: 11,036,433 km (0.095 R)
• M16: 16,769,622 km (0.059 R)
• M17: 17,468,992 km (0.038 R)
• M18: 21,829,620 km (0.101 R)
• M19: 22,494,433 km (0.064 R)
• M20: 30,928,013 km (0.071 R)
• M21: 34,148,856 km (0.115 R)
• M22: 39,878,454 km (0.086 R)
• M23: 40,870,886 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.2

Radius: 6.1

Gravity: 22.93 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.38 AU - 12.08 AU

Year: 20950 Days

Day: 19.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,438,506 km

• M1: 75,846 km (0.065 R)
• M2: 551,717 km (0.059 R)
• M3: 1,830,330 km (0.105 R)
• M4: 4,418,822 km (0.038 R)
• M5: 5,080,194 km (0.113 R)
• M6: 8,723,351 km (0.07 R)
• M7: 9,174,389 km (0.094 R)
• M8: 12,353,343 km (0.075 R)
• M9: 13,959,127 km (0.06 R)
• M10: 23,674,312 km (0.04 R)
• M11: 34,539,605 km (0.119 R)
• M12: 42,785,440 km (0.106 R)
• M13: 47,446,760 km (0.111 R)
• M14: 55,820,650 km (0.094 R)
• M15: 61,781,527 km (0.117 R)
• M16: 63,858,843 km (0.118 R)
• M17: 64,914,854 km (0.104 R)
• M18: 67,061,733 km (0.093 R)
• M19: 68,812,926 km (0.058 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 18,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit