🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.7

Radius: 13.9

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.74 AU - 0.9 AU

Year: 495 Days

Day: 13.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,118,873 km

• M1: 172,935 km (0.105 R)
• M2: 633,996 km (0.115 R)
• M3: 1,224,907 km (0.119 R)
• M4: 1,779,467 km (0.09 R)
• M5: 2,232,000 km (0.095 R)
• M6: 3,064,064 km (0.116 R)
• M7: 3,662,006 km (0.108 R)
• M8: 4,255,311 km (0.12 R)
• M9: 5,094,555 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 12.9

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.83 AU - 0.87 AU

Year: 523 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,118,873 km

• M1: 160,369 km (0.103 R)
• M2: 634,744 km (0.085 R)
• M3: 1,210,995 km (0.082 R)
• M4: 1,679,984 km (0.068 R)
• M5: 2,332,680 km (0.092 R)
• M6: 3,227,574 km (0.068 R)
• M7: 3,668,589 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.1

Radius: 14.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.15 AU - 1.25 AU

Year: 877 Days

Day: 8.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,118,873 km

• M1: 180,265 km (0.118 R)
• M2: 863,329 km (0.056 R)
• M3: 1,481,917 km (0.119 R)
• M4: 2,010,595 km (0.119 R)
• M5: 2,465,074 km (0.058 R)
• M6: 3,927,842 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.4

Radius: 7.5

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.64 AU - 6.08 AU

Year: 9460 Days

Day: 15.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,118,873 km

• M1: 93,499 km (0.093 R)
• M2: 349,909 km (0.085 R)
• M3: 689,497 km (0.077 R)
• M4: 1,045,091 km (0.103 R)
• M5: 1,865,485 km (0.109 R)
• M6: 2,716,548 km (0.117 R)
• M7: 3,016,641 km (0.097 R)
• M8: 3,250,612 km (0.08 R)
• M9: 3,707,484 km (0.062 R)
• M10: 4,499,605 km (0.069 R)
• M11: 8,646,308 km (0.109 R)
• M12: 10,409,169 km (0.073 R)
• M13: 12,562,032 km (0.063 R)
• M14: 13,742,509 km (0.048 R)
• M15: 14,509,348 km (0.071 R)
• M16: 16,518,298 km (0.089 R)
• M17: 20,771,814 km (0.061 R)
• M18: 21,078,938 km (0.082 R)
• M19: 21,389,055 km (0.112 R)
• M20: 23,896,764 km (0.091 R)
• M21: 25,177,770 km (0.119 R)
• M22: 32,584,660 km (0.061 R)
• M23: 33,839,487 km (0.118 R)
• M24: 35,672,061 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.3

Radius: 3.6

Gravity: 54.27 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 10.51 AU - 11.15 AU

Year: 23767 Days

Day: 19.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,118,873 km

• M1: 45,328 km (0.103 R)
• M2: 175,628 km (0.054 R)
• M3: 625,917 km (0.097 R)
• M4: 841,937 km (0.081 R)
• M5: 1,025,194 km (0.109 R)
• M6: 1,757,925 km (0.086 R)
• M7: 2,079,560 km (0.065 R)
• M8: 4,060,685 km (0.034 R)
• M9: 4,230,329 km (0.108 R)
• M10: 4,547,626 km (0.047 R)
• M11: 5,269,286 km (0.119 R)
• M12: 5,890,715 km (0.099 R)
• M13: 6,421,788 km (0.106 R)
• M14: 7,784,176 km (0.1 R)
• M15: 7,940,655 km (0.099 R)
• M16: 8,867,713 km (0.036 R)
• M17: 13,373,750 km (0.068 R)
• M18: 16,153,428 km (0.063 R)
• M19: 16,579,633 km (0.102 R)
• M20: 16,925,802 km (0.074 R)
• M21: 20,360,719 km (0.102 R)
• M22: 25,243,444 km (0.109 R)
• M23: 25,932,641 km (0.074 R)
• M24: 32,845,708 km (0.119 R)
• M25: 32,981,693 km (0.119 R)
• M26: 33,666,851 km (0.119 R)
• M27: 34,082,434 km (0.111 R)
• M28: 35,207,560 km (0.082 R)
• M29: 36,212,259 km (0.099 R)
• M30: 40,421,943 km (0.1 R)
• M31: 40,577,974 km (0.092 R)
• M32: 42,001,098 km (0.041 R)
• M33: 42,161,168 km (0.057 R)
• M34: 48,026,003 km (0.078 R)
• M35: 51,977,631 km (0.111 R)
• M36: 60,112,763 km (0.079 R)
• M37: 70,627,698 km (0.052 R)
• M38: 75,013,907 km (0.12 R)
• M39: 75,485,889 km (0.116 R)
• M40: 80,315,357 km (0.061 R)
• M41: 84,578,747 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 11,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit