🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.1

Radius: 10.4

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.91 AU - 2.65 AU

Year: 2376 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 127.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,915,934 km

• M1: 129,402 km (0.094 R)
• M2: 551,717 km (0.076 R)
• M3: 950,844 km (0.081 R)
• M4: 1,819,708 km (0.052 R)
• M5: 2,207,466 km (0.058 R)
• M6: 2,560,218 km (0.072 R)
• M7: 3,453,766 km (0.112 R)
• M8: 4,053,953 km (0.025 R)
• M9: 5,979,876 km (0.107 R)
• M10: 8,350,404 km (0.098 R)
• M11: 8,862,627 km (0.087 R)
• M12: 9,912,355 km (0.078 R)
• M13: 12,875,141 km (0.117 R)
• M14: 13,328,721 km (0.049 R)
• M15: 15,050,443 km (0.075 R)
• M16: 15,758,490 km (0.117 R)
• M17: 19,163,637 km (0.069 R)
• M18: 19,755,296 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.2

Radius: 11.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.17 AU - 4.13 AU

Year: 4813 Days

Day: 7.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,915,934 km

• M1: 148,251 km (0.079 R)
• M2: 587,022 km (0.117 R)
• M3: 1,176,886 km (0.051 R)
• M4: 1,547,440 km (0.116 R)
• M5: 1,958,984 km (0.064 R)
• M6: 2,550,793 km (0.059 R)
• M7: 3,446,137 km (0.112 R)
• M8: 3,988,130 km (0.115 R)
• M9: 4,425,703 km (0.089 R)
• M10: 5,092,461 km (0.104 R)
• M11: 6,188,714 km (0.111 R)
• M12: 6,687,025 km (0.115 R)
• M13: 7,697,708 km (0.035 R)
• M14: 8,591,855 km (0.119 R)
• M15: 9,027,334 km (0.09 R)
• M16: 9,942,574 km (0.11 R)
• M17: 12,136,726 km (0.053 R)
• M18: 13,589,022 km (0.095 R)
• M19: 15,470,215 km (0.093 R)
• M20: 16,667,746 km (0.114 R)
• M21: 17,118,335 km (0.07 R)
• M22: 17,926,313 km (0.113 R)
• M23: 23,458,143 km (0.093 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.5

Radius: 4

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.79 AU - 7.67 AU

Year: 10734 Days

Day: 21.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,915,934 km

• M1: 49,816 km (0.091 R)
• M2: 179,368 km (0.101 R)
• M3: 343,327 km (0.085 R)
• M4: 525,238 km (0.109 R)
• M5: 1,004,699 km (0.079 R)
• M6: 1,849,778 km (0.115 R)
• M7: 2,119,353 km (0.115 R)
• M8: 3,875,482 km (0.092 R)
• M9: 4,340,582 km (0.116 R)
• M10: 4,920,424 km (0.094 R)
• M11: 5,325,235 km (0.097 R)
• M12: 7,203,137 km (0.039 R)
• M13: 7,976,409 km (0.112 R)
• M14: 9,603,735 km (0.071 R)
• M15: 11,767,069 km (0.05 R)
• M16: 12,686,647 km (0.108 R)
• M17: 13,862,636 km (0.115 R)
• M18: 15,390,031 km (0.079 R)
• M19: 22,623,237 km (0.051 R)
• M20: 28,048,404 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682

Radius: 3.2

Gravity: 66.6 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.22 AU - 9.3 AU

Year: 14921 Days

Day: 21.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,915,934 km

• M1: 39,793 km (0.117 R)
• M2: 180,265 km (0.088 R)
• M3: 305,329 km (0.095 R)
• M4: 454,778 km (0.068 R)
• M5: 1,112,410 km (0.098 R)
• M6: 1,659,639 km (0.077 R)
• M7: 1,900,491 km (0.107 R)
• M8: 2,538,227 km (0.113 R)
• M9: 2,694,856 km (0.09 R)
• M10: 3,002,728 km (0.068 R)
• M11: 5,005,694 km (0.12 R)
• M12: 5,360,241 km (0.096 R)
• M13: 6,441,984 km (0.095 R)
• M14: 7,165,289 km (0.12 R)
• M15: 13,530,828 km (0.051 R)
• M16: 15,583,012 km (0.066 R)
• M17: 23,449,466 km (0.104 R)
• M18: 25,042,833 km (0.093 R)
• M19: 26,179,179 km (0.095 R)
• M20: 32,500,586 km (0.114 R)
• M21: 34,983,761 km (0.073 R)
• M22: 45,876,132 km (0.09 R)
• M23: 52,916,507 km (0.03 R)
• M24: 56,516,580 km (0.073 R)
• M25: 57,574,386 km (0.09 R)
• M26: 59,729,493 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.5

Radius: 3.5

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.49 AU - 9.97 AU

Year: 16297 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,915,934 km

• M1: 43,832 km (0.112 R)
• M2: 263,442 km (0.056 R)
• M3: 509,082 km (0.07 R)
• M4: 789,578 km (0.093 R)
• M5: 1,980,975 km (0.06 R)
• M6: 3,162,200 km (0.117 R)
• M7: 3,489,819 km (0.034 R)
• M8: 5,567,584 km (0.107 R)
• M9: 5,914,651 km (0.09 R)
• M10: 8,885,814 km (0.093 R)
• M11: 10,929,471 km (0.036 R)
• M12: 12,666,901 km (0.062 R)
• M13: 13,210,988 km (0.092 R)
• M14: 21,381,276 km (0.096 R)
• M15: 30,316,607 km (0.074 R)
• M16: 32,179,549 km (0.07 R)
• M17: 32,380,010 km (0.109 R)
• M18: 35,167,916 km (0.052 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 15,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit