🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 12

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.74 AU - 0.84 AU

Year: 485 Days

Day: 10.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,870,407 km

• M1: 149,299 km (0.093 R)
• M2: 535,860 km (0.038 R)
• M3: 1,032,375 km (0.059 R)
• M4: 1,533,827 km (0.066 R)
• M5: 2,062,057 km (0.101 R)
• M6: 2,763,671 km (0.072 R)
• M7: 4,194,126 km (0.045 R)
• M8: 5,105,476 km (0.101 R)
• M9: 5,705,663 km (0.106 R)
• M10: 6,125,434 km (0.092 R)
• M11: 6,704,079 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.4

Radius: 9.9

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.58 AU - 1.58 AU

Year: 1371 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,870,407 km

• M1: 123,867 km (0.083 R)
• M2: 436,078 km (0.04 R)
• M3: 803,789 km (0.081 R)
• M4: 1,134,401 km (0.057 R)
• M5: 1,456,634 km (0.092 R)
• M6: 1,831,527 km (0.117 R)
• M7: 2,214,946 km (0.072 R)
• M8: 2,614,223 km (0.08 R)
• M9: 3,683,698 km (0.067 R)
• M10: 4,282,538 km (0.118 R)
• M11: 5,180,425 km (0.062 R)
• M12: 5,526,893 km (0.094 R)
• M13: 5,998,426 km (0.101 R)
• M14: 6,473,399 km (0.028 R)
• M15: 6,924,586 km (0.058 R)
• M16: 7,705,637 km (0.054 R)
• M17: 8,131,243 km (0.079 R)
• M18: 9,383,078 km (0.09 R)
• M19: 10,086,487 km (0.117 R)
• M20: 11,291,348 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.7

Radius: 11

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.71 AU - 2.51 AU

Year: 2116 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,870,407 km

• M1: 136,882 km (0.103 R)
• M2: 507,137 km (0.119 R)
• M3: 1,827,488 km (0.04 R)
• M4: 3,232,062 km (0.069 R)
• M5: 3,590,050 km (0.05 R)
• M6: 4,313,056 km (0.06 R)
• M7: 5,068,974 km (0.106 R)
• M8: 6,258,726 km (0.07 R)
• M9: 8,849,612 km (0.108 R)
• M10: 11,080,415 km (0.08 R)
• M11: 12,232,767 km (0.08 R)
• M12: 12,723,000 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.8

Radius: 9.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.97 AU - 3.05 AU

Year: 3605 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,870,407 km

• M1: 119,230 km (0.107 R)
• M2: 478,564 km (0.065 R)
• M3: 1,116,599 km (0.09 R)
• M4: 1,423,573 km (0.09 R)
• M5: 2,299,618 km (0.077 R)
• M6: 2,721,036 km (0.096 R)
• M7: 5,491,738 km (0.115 R)
• M8: 6,729,511 km (0.074 R)
• M9: 8,564,927 km (0.084 R)
• M10: 10,016,774 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.5

Radius: 11.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.85 AU - 4.01 AU

Year: 5378 Days

Day: 13.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,870,407 km

• M1: 139,575 km (0.115 R)
• M2: 502,798 km (0.058 R)
• M3: 1,127,519 km (0.094 R)
• M4: 2,155,406 km (0.069 R)
• M5: 3,275,296 km (0.068 R)
• M6: 4,009,373 km (0.116 R)
• M7: 4,427,798 km (0.111 R)
• M8: 5,435,639 km (0.086 R)
• M9: 5,803,799 km (0.067 R)
• M10: 7,865,856 km (0.034 R)
• M11: 8,227,434 km (0.1 R)
• M12: 10,635,960 km (0.062 R)
• M13: 11,304,812 km (0.088 R)
• M14: 11,766,172 km (0.119 R)
• M15: 12,481,698 km (0.113 R)
• M16: 15,133,171 km (0.104 R)
• M17: 19,029,747 km (0.119 R)
• M18: 20,555,346 km (0.115 R)
• M19: 21,173,933 km (0.084 R)
• M20: 23,698,547 km (0.108 R)
• M21: 24,074,785 km (0.098 R)
• M22: 24,762,337 km (0.084 R)
• M23: 26,016,715 km (0.113 R)
• M24: 27,148,722 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.1

Radius: 4.4

Gravity: 33.63 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.99 AU - 8.37 AU

Year: 16149 Days

Day: 19.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,870,407 km

• M1: 55,650 km (0.116 R)
• M2: 248,332 km (0.036 R)
• M3: 485,445 km (0.117 R)
• M4: 793,018 km (0.068 R)
• M5: 1,043,296 km (0.083 R)
• M6: 1,752,838 km (0.101 R)
• M7: 2,139,100 km (0.097 R)
• M8: 2,786,260 km (0.102 R)
• M9: 3,311,349 km (0.089 R)
• M10: 3,527,667 km (0.081 R)
• M11: 4,720,860 km (0.116 R)
• M12: 6,784,114 km (0.064 R)
• M13: 7,821,126 km (0.092 R)
• M14: 9,380,235 km (0.106 R)
• M15: 9,869,121 km (0.027 R)
• M16: 11,745,078 km (0.07 R)
• M17: 17,528,083 km (0.096 R)
• M18: 22,286,492 km (0.066 R)
• M19: 24,550,656 km (0.088 R)
• M20: 24,754,558 km (0.08 R)
• M21: 25,476,966 km (0.086 R)
• M22: 25,685,954 km (0.084 R)
• M23: 27,838,668 km (0.044 R)
• M24: 32,499,240 km (0.094 R)
• M25: 35,531,140 km (0.107 R)
• M26: 39,161,282 km (0.106 R)
• M27: 39,719,282 km (0.108 R)
• M28: 44,678,002 km (0.089 R)
• M29: 51,021,251 km (0.086 R)
• M30: 51,519,861 km (0.119 R)
• M31: 53,546,763 km (0.082 R)
• M32: 55,626,023 km (0.111 R)
• M33: 60,129,817 km (0.086 R)
• M34: 62,754,960 km (0.102 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: 533 - 17,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit