🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.41 AU - 0.63 AU

Year: 246 Days

Day: 20.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,790,520 km

• M1: 132,843 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.8

Radius: 13.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.53 AU - 0.83 AU

Year: 368 Days

Day: 7.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,790,520 km

• M1: 163,062 km (0.109 R)
• M2: 1,191,697 km (0.077 R)
• M3: 1,635,703 km (0.065 R)
• M4: 2,373,520 km (0.053 R)
• M5: 3,032,050 km (0.077 R)
• M6: 3,454,813 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.9

Radius: 9.6

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.96 AU - 1.16 AU

Year: 716 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,790,520 km

• M1: 119,379 km (0.095 R)
• M2: 526,435 km (0.082 R)
• M3: 944,561 km (0.077 R)
• M4: 1,447,359 km (0.025 R)
• M5: 1,765,704 km (0.108 R)
• M6: 3,501,937 km (0.086 R)
• M7: 4,131,893 km (0.1 R)
• M8: 4,906,511 km (0.078 R)
• M9: 6,246,010 km (0.108 R)
• M10: 6,566,898 km (0.058 R)
• M11: 8,112,244 km (0.084 R)
• M12: 8,969,739 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 14.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.29 AU - 1.29 AU

Year: 961 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,790,520 km

• M1: 178,171 km (0.117 R)
• M2: 635,791 km (0.095 R)
• M3: 1,224,010 km (0.099 R)
• M4: 1,786,947 km (0.059 R)
• M5: 3,107,148 km (0.101 R)
• M6: 3,885,954 km (0.108 R)
• M7: 4,338,637 km (0.094 R)
• M8: 5,637,745 km (0.104 R)
• M9: 7,437,857 km (0.045 R)
• M10: 8,066,018 km (0.069 R)
• M11: 8,625,065 km (0.104 R)
• M12: 9,074,607 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 10.9

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.45 AU - 5.69 AU

Year: 6409 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,790,520 km

• M1: 135,685 km (0.099 R)
• M2: 538,852 km (0.108 R)
• M3: 1,004,251 km (0.1 R)
• M4: 1,502,112 km (0.102 R)
• M5: 2,541,967 km (0.093 R)
• M6: 2,931,819 km (0.093 R)
• M7: 3,401,257 km (0.053 R)
• M8: 4,588,167 km (0.091 R)
• M9: 5,945,169 km (0.061 R)
• M10: 8,184,649 km (0.099 R)
• M11: 8,775,261 km (0.048 R)
• M12: 9,433,642 km (0.086 R)
• M13: 9,836,060 km (0.11 R)
• M14: 11,380,808 km (0.107 R)
• M15: 14,253,087 km (0.113 R)
• M16: 14,783,710 km (0.101 R)
• M17: 16,745,686 km (0.104 R)
• M18: 18,875,362 km (0.099 R)
• M19: 20,502,987 km (0.093 R)
• M20: 21,043,184 km (0.09 R)
• M21: 23,813,139 km (0.103 R)
• M22: 26,024,494 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.4

Radius: 6.6

Gravity: 22.09 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.1 AU - 10.32 AU

Year: 19849 Days

Day: 21.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,790,520 km

• M1: 82,578 km (0.054 R)
• M2: 356,641 km (0.096 R)
• M3: 822,639 km (0.114 R)
• M4: 2,002,068 km (0.102 R)
• M5: 2,369,181 km (0.083 R)
• M6: 2,581,311 km (0.118 R)
• M7: 2,857,768 km (0.108 R)
• M8: 3,839,878 km (0.044 R)
• M9: 4,269,224 km (0.1 R)
• M10: 4,513,517 km (0.025 R)
• M11: 6,630,776 km (0.101 R)
• M12: 8,709,438 km (0.1 R)
• M13: 9,275,666 km (0.097 R)
• M14: 9,926,417 km (0.095 R)
• M15: 10,798,274 km (0.089 R)
• M16: 11,121,555 km (0.105 R)
• M17: 12,836,544 km (0.115 R)
• M18: 13,494,775 km (0.104 R)
• M19: 14,175,445 km (0.083 R)
• M20: 18,015,623 km (0.102 R)
• M21: 19,499,035 km (0.042 R)
• M22: 22,812,478 km (0.059 R)
• M23: 23,995,349 km (0.085 R)
• M24: 26,249,789 km (0.08 R)
• M25: 26,834,866 km (0.092 R)
• M26: 29,386,856 km (0.099 R)
• M27: 32,096,223 km (0.092 R)
• M28: 34,130,455 km (0.107 R)
• M29: 39,208,106 km (0.06 R)
• M30: 45,601,620 km (0.094 R)
• M31: 49,575,238 km (0.106 R)
• M32: 54,716,768 km (0.116 R)
• M33: 57,611,935 km (0.102 R)
• M34: 64,126,623 km (0.09 R)
• M35: 68,437,884 km (0.053 R)
• M36: 69,545,208 km (0.09 R)
• M37: 75,731,528 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 14,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit