🌌 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: 119.2

Radius: 12.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.7 AU - 0.86 AU

Year: 452 Days

Day: 8.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,960,349 km

• M1: 150,645 km (0.043 R)
• M2: 598,840 km (0.094 R)
• M3: 1,135,149 km (0.108 R)
• M4: 1,586,037 km (0.117 R)
• M5: 2,053,081 km (0.093 R)
• M6: 3,021,129 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 13.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.9 AU - 1.1 AU

Year: 656 Days

Day: 15 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,960,349 km

• M1: 173,234 km (0.077 R)
• M2: 653,743 km (0.045 R)
• M3: 1,116,000 km (0.087 R)
• M4: 1,580,801 km (0.042 R)
• M5: 2,063,403 km (0.117 R)
• M6: 3,117,620 km (0.069 R)
• M7: 4,360,778 km (0.027 R)
• M8: 5,166,512 km (0.046 R)
• M9: 5,700,128 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.9

Radius: 14.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.87 AU - 1.15 AU

Year: 666 Days

Day: 5.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,960,349 km

• M1: 176,675 km (0.066 R)
• M2: 834,457 km (0.09 R)
• M3: 1,362,388 km (0.078 R)
• M4: 2,001,171 km (0.042 R)
• M5: 2,605,097 km (0.093 R)
• M6: 3,070,347 km (0.066 R)
• M7: 3,530,659 km (0.105 R)
• M8: 4,226,140 km (0.112 R)
• M9: 4,859,238 km (0.038 R)
• M10: 5,407,365 km (0.073 R)
• M11: 5,858,402 km (0.098 R)

Asteroid Belt

Center: 1.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 11.9

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.47 AU - 1.67 AU

Year: 1291 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,960,349 km

• M1: 148,251 km (0.032 R)
• M2: 617,989 km (0.12 R)
• M3: 1,365,978 km (0.087 R)
• M4: 1,812,079 km (0.068 R)
• M5: 2,379,653 km (0.103 R)
• M6: 3,375,078 km (0.119 R)
• M7: 3,976,760 km (0.037 R)
• M8: 4,706,648 km (0.033 R)
• M9: 5,165,465 km (0.11 R)
• M10: 7,439,502 km (0.092 R)
• M11: 7,870,494 km (0.101 R)
• M12: 8,664,858 km (0.118 R)
• M13: 9,955,738 km (0.107 R)
• M14: 10,479,929 km (0.117 R)
• M15: 11,300,623 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.9

Radius: 12.3

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.8 AU - 2.32 AU

Year: 1940 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,960,349 km

• M1: 164,258 km (0.079 R)
• M2: 574,905 km (0.114 R)
• M3: 1,021,604 km (0.062 R)
• M4: 1,557,763 km (0.048 R)
• M5: 2,514,591 km (0.068 R)
• M6: 2,930,473 km (0.117 R)
• M7: 4,670,745 km (0.095 R)
• M8: 6,324,400 km (0.08 R)
• M9: 6,963,332 km (0.046 R)
• M10: 9,274,170 km (0.096 R)
• M11: 10,676,950 km (0.044 R)
• M12: 11,467,874 km (0.087 R)
• M13: 11,858,025 km (0.098 R)
• M14: 12,419,017 km (0.065 R)
• M15: 13,082,035 km (0.076 R)
• M16: 13,681,174 km (0.095 R)
• M17: 15,306,555 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.8

Radius: 11.8

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.95 AU - 3.11 AU

Year: 2640 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,960,349 km

• M1: 146,756 km (0.113 R)
• M2: 523,144 km (0.067 R)
• M3: 1,101,040 km (0.102 R)
• M4: 2,435,902 km (0.118 R)
• M5: 3,825,517 km (0.061 R)
• M6: 4,671,493 km (0.103 R)
• M7: 5,278,561 km (0.089 R)
• M8: 6,568,693 km (0.119 R)
• M9: 7,186,233 km (0.089 R)
• M10: 8,311,658 km (0.072 R)
• M11: 9,136,391 km (0.084 R)
• M12: 9,834,863 km (0.057 R)
• M13: 10,530,942 km (0.085 R)
• M14: 11,777,392 km (0.112 R)
• M15: 14,748,854 km (0.057 R)
• M16: 15,369,236 km (0.074 R)
• M17: 16,357,330 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.1

Radius: 13.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.31 AU - 2.83 AU

Year: 2703 Days

Day: 8 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,960,349 km

• M1: 162,912 km (0.115 R)
• M2: 591,061 km (0.102 R)
• M3: 1,466,807 km (0.081 R)
• M4: 2,454,303 km (0.1 R)
• M5: 3,110,289 km (0.098 R)
• M6: 4,734,025 km (0.054 R)
• M7: 5,392,255 km (0.041 R)
• M8: 6,110,774 km (0.095 R)
• M9: 8,085,316 km (0.075 R)
• M10: 9,940,779 km (0.074 R)
• M11: 12,258,349 km (0.078 R)
• M12: 12,889,951 km (0.114 R)
• M13: 14,218,380 km (0.089 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 12,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit