🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.3

Radius: 11.7

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.64 AU - 0.9 AU

Year: 466 Days

Day: 12.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,172,248 km

• M1: 145,559 km (0.089 R)
• M2: 521,947 km (0.111 R)
• M3: 913,295 km (0.108 R)
• M4: 1,376,600 km (0.113 R)
• M5: 1,912,758 km (0.085 R)
• M6: 2,329,239 km (0.085 R)
• M7: 2,710,265 km (0.087 R)
• M8: 3,299,979 km (0.12 R)
• M9: 3,824,021 km (0.097 R)
• M10: 4,213,424 km (0.119 R)
• M11: 4,959,169 km (0.089 R)
• M12: 6,382,743 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 14

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.58 AU - 2.02 AU

Year: 1667 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,172,248 km

• M1: 174,132 km (0.047 R)
• M2: 1,023,549 km (0.03 R)
• M3: 1,502,860 km (0.083 R)
• M4: 2,154,658 km (0.084 R)
• M5: 2,678,699 km (0.081 R)
• M6: 3,274,697 km (0.094 R)
• M7: 3,912,882 km (0.089 R)
• M8: 4,498,857 km (0.096 R)
• M9: 5,868,126 km (0.09 R)
• M10: 6,770,052 km (0.106 R)
• M11: 7,289,455 km (0.094 R)
• M12: 7,762,634 km (0.077 R)
• M13: 8,485,191 km (0.117 R)
• M14: 9,143,871 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679

Radius: 12.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.31 AU - 5.33 AU

Year: 7304 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,172,248 km

• M1: 154,235 km (0.059 R)
• M2: 648,956 km (0.088 R)
• M3: 1,047,933 km (0.099 R)
• M4: 1,631,814 km (0.084 R)
• M5: 2,289,446 km (0.077 R)
• M6: 2,913,718 km (0.102 R)
• M7: 3,719,601 km (0.114 R)
• M8: 4,696,476 km (0.119 R)
• M9: 5,097,099 km (0.1 R)
• M10: 6,404,135 km (0.043 R)
• M11: 7,609,595 km (0.103 R)
• M12: 10,514,337 km (0.091 R)
• M13: 12,727,488 km (0.102 R)
• M14: 14,685,125 km (0.087 R)
• M15: 16,247,526 km (0.118 R)
• M16: 18,265,302 km (0.062 R)
• M17: 19,700,244 km (0.101 R)
• M18: 20,294,746 km (0.102 R)
• M19: 22,631,465 km (0.11 R)
• M20: 23,201,433 km (0.068 R)
• M21: 24,116,673 km (0.12 R)
• M22: 24,797,193 km (0.056 R)
• M23: 28,112,581 km (0.029 R)
• M24: 32,221,885 km (0.055 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.6

Radius: 5.4

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.73 AU - 8.51 AU

Year: 14519 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,172,248 km

• M1: 75,846 km (0.077 R)
• M2: 446,250 km (0.078 R)
• M3: 664,215 km (0.027 R)
• M4: 877,990 km (0.093 R)
• M5: 1,781,860 km (0.117 R)
• M6: 2,865,398 km (0.068 R)
• M7: 3,121,659 km (0.079 R)
• M8: 6,553,883 km (0.085 R)
• M9: 9,817,809 km (0.098 R)
• M10: 10,009,594 km (0.101 R)
• M11: 11,006,514 km (0.045 R)
• M12: 12,067,911 km (0.092 R)
• M13: 15,400,054 km (0.093 R)
• M14: 16,252,911 km (0.104 R)
• M15: 16,930,141 km (0.116 R)
• M16: 17,275,562 km (0.071 R)
• M17: 20,600,225 km (0.112 R)
• M18: 28,871,491 km (0.076 R)
• M19: 35,955,699 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.6

Radius: 4.6

Gravity: 26.64 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.9 AU - 11.14 AU

Year: 18699 Days

Day: 22.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,172,248 km

• M1: 58,493 km (0.047 R)
• M2: 772,673 km (0.074 R)
• M3: 987,047 km (0.11 R)
• M4: 1,896,303 km (0.08 R)
• M5: 2,460,885 km (0.037 R)
• M6: 2,617,963 km (0.112 R)
• M7: 3,235,204 km (0.104 R)
• M8: 4,383,966 km (0.106 R)
• M9: 4,548,673 km (0.117 R)
• M10: 4,960,965 km (0.096 R)
• M11: 5,212,588 km (0.117 R)
• M12: 6,817,773 km (0.12 R)
• M13: 8,318,689 km (0.089 R)
• M14: 9,913,701 km (0.098 R)
• M15: 11,828,105 km (0.115 R)
• M16: 12,804,830 km (0.077 R)
• M17: 15,594,232 km (0.043 R)
• M18: 16,369,597 km (0.112 R)
• M19: 18,849,781 km (0.03 R)
• M20: 20,088,451 km (0.08 R)
• M21: 21,286,281 km (0.087 R)
• M22: 24,850,749 km (0.112 R)
• M23: 27,771,050 km (0.111 R)
• M24: 29,139,421 km (0.089 R)
• M25: 33,768,279 km (0.101 R)
• M26: 35,590,081 km (0.113 R)
• M27: 35,855,618 km (0.035 R)
• M28: 44,602,605 km (0.076 R)
• M29: 55,913,251 km (0.056 R)
• M30: 65,152,865 km (0.099 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 15,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit