🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.8

Radius: 11.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.71 AU - 0.85 AU

Year: 476 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,781,344 km

• M1: 148,102 km (0.077 R)
• M2: 564,134 km (0.108 R)
• M3: 1,186,162 km (0.12 R)
• M4: 1,600,548 km (0.107 R)
• M5: 2,329,089 km (0.074 R)
• M6: 3,095,330 km (0.113 R)
• M7: 3,690,579 km (0.115 R)
• M8: 4,150,443 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.4

Radius: 15

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.98 AU - 1.38 AU

Year: 885 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,781,344 km

• M1: 189,690 km (0.081 R)
• M2: 888,911 km (0.101 R)
• M3: 1,982,022 km (0.084 R)
• M4: 2,786,560 km (0.079 R)
• M5: 3,347,402 km (0.073 R)
• M6: 3,904,804 km (0.088 R)
• M7: 4,466,394 km (0.097 R)
• M8: 5,857,056 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 11

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.88 AU - 4.76 AU

Year: 5154 Days

Day: 12.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,781,344 km

• M1: 249,380 km (0.045 R)
• M2: 665,561 km (0.108 R)
• M3: 1,037,611 km (0.094 R)
• M4: 1,427,014 km (0.115 R)
• M5: 1,865,186 km (0.065 R)
• M6: 2,291,091 km (0.119 R)
• M7: 2,798,228 km (0.051 R)
• M8: 3,213,213 km (0.073 R)
• M9: 4,976,972 km (0.07 R)
• M10: 5,997,827 km (0.114 R)
• M11: 6,367,633 km (0.103 R)
• M12: 6,904,839 km (0.114 R)
• M13: 8,276,502 km (0.094 R)
• M14: 9,212,087 km (0.118 R)
• M15: 12,036,345 km (0.091 R)
• M16: 13,572,566 km (0.1 R)
• M17: 14,413,007 km (0.109 R)
• M18: 15,818,928 km (0.089 R)
• M19: 16,638,275 km (0.085 R)
• M20: 18,302,551 km (0.062 R)
• M21: 19,699,347 km (0.108 R)
• M22: 22,772,685 km (0.073 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.8

Radius: 5.8

Gravity: 24.93 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.53 AU - 8.63 AU

Year: 15854 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,781,344 km

• M1: 72,256 km (0.118 R)
• M2: 373,695 km (0.119 R)
• M3: 854,952 km (0.049 R)
• M4: 1,071,570 km (0.104 R)
• M5: 2,907,435 km (0.066 R)
• M6: 3,294,744 km (0.1 R)
• M7: 3,514,952 km (0.116 R)
• M8: 3,804,124 km (0.097 R)
• M9: 4,978,617 km (0.057 R)
• M10: 5,532,877 km (0.094 R)
• M11: 6,251,246 km (0.079 R)
• M12: 7,211,515 km (0.051 R)
• M13: 7,679,008 km (0.095 R)
• M14: 8,674,433 km (0.109 R)
• M15: 8,989,037 km (0.085 R)
• M16: 10,559,366 km (0.081 R)
• M17: 11,534,295 km (0.081 R)
• M18: 14,449,808 km (0.086 R)
• M19: 15,343,506 km (0.114 R)
• M20: 15,649,433 km (0.05 R)
• M21: 18,245,256 km (0.113 R)
• M22: 23,758,087 km (0.078 R)
• M23: 25,531,270 km (0.042 R)
• M24: 26,395,497 km (0.075 R)
• M25: 27,841,061 km (0.105 R)
• M26: 28,181,995 km (0.079 R)
• M27: 30,406,366 km (0.059 R)
• M28: 30,647,069 km (0.092 R)
• M29: 31,870,031 km (0.12 R)
• M30: 32,243,128 km (0.115 R)
• M31: 34,412,597 km (0.119 R)
• M32: 40,476,097 km (0.099 R)
• M33: 40,913,671 km (0.071 R)
• M34: 42,095,943 km (0.058 R)
• M35: 56,822,208 km (0.093 R)
• M36: 61,887,442 km (0.086 R)
• M37: 65,626,791 km (0.102 R)
• M38: 67,245,290 km (0.086 R)
• M39: 67,449,491 km (0.099 R)
• M40: 69,305,702 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.4

Radius: 7.7

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.85 AU - 9.51 AU

Year: 19199 Days

Day: 19.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,781,344 km

• M1: 101,727 km (0.064 R)
• M2: 750,383 km (0.105 R)
• M3: 1,171,651 km (0.088 R)
• M4: 1,498,073 km (0.1 R)
• M5: 2,715,650 km (0.118 R)
• M6: 3,239,841 km (0.101 R)
• M7: 3,568,657 km (0.073 R)
• M8: 6,790,547 km (0.087 R)
• M9: 12,465,243 km (0.112 R)
• M10: 13,137,386 km (0.036 R)
• M11: 20,588,856 km (0.105 R)
• M12: 24,306,512 km (0.089 R)
• M13: 25,889,557 km (0.032 R)
• M14: 29,026,475 km (0.055 R)
• M15: 29,376,983 km (0.091 R)
• M16: 32,659,010 km (0.115 R)
• M17: 38,800,003 km (0.073 R)
• M18: 48,891,427 km (0.106 R)
• M19: 68,328,229 km (0.118 R)
• M20: 69,781,273 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 20,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit