🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 8.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.48 AU - 0.6 AU

Year: 269 Days

Day: 10.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,325,868 km

• M1: 103,223 km (0.084 R)
• M2: 395,088 km (0.104 R)
• M3: 899,981 km (0.062 R)
• M4: 1,178,981 km (0.055 R)
• M5: 1,447,958 km (0.064 R)
• M6: 2,376,063 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205

Radius: 9.6

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.55 AU - 0.71 AU

Year: 339 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,325,868 km

• M1: 119,529 km (0.08 R)
• M2: 473,178 km (0.118 R)
• M3: 873,053 km (0.051 R)
• M4: 2,039,767 km (0.097 R)
• M5: 2,544,809 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.6

Radius: 12

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.77 AU - 0.95 AU

Year: 541 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,325,868 km

• M1: 149,299 km (0.106 R)
• M2: 1,083,986 km (0.098 R)
• M3: 1,531,583 km (0.102 R)
• M4: 2,156,603 km (0.064 R)
• M5: 3,347,103 km (0.092 R)
• M6: 3,838,382 km (0.115 R)
• M7: 5,031,575 km (0.116 R)
• M8: 5,803,949 km (0.088 R)
• M9: 6,342,351 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.2

Radius: 13

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.76 AU - 1.16 AU

Year: 638 Days

Day: 13.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,325,868 km

• M1: 161,715 km (0.074 R)
• M2: 732,282 km (0.115 R)
• M3: 1,143,676 km (0.065 R)
• M4: 1,602,044 km (0.089 R)
• M5: 2,063,703 km (0.075 R)
• M6: 2,586,996 km (0.038 R)
• M7: 3,018,586 km (0.094 R)
• M8: 3,579,727 km (0.064 R)
• M9: 4,157,774 km (0.087 R)
• M10: 4,754,968 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.5

Radius: 13.2

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.02 AU - 1.06 AU

Year: 719 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,325,868 km

• M1: 164,258 km (0.082 R)
• M2: 661,522 km (0.114 R)
• M3: 1,237,773 km (0.083 R)
• M4: 1,922,333 km (0.12 R)
• M5: 2,372,921 km (0.111 R)
• M6: 3,010,358 km (0.061 R)
• M7: 3,705,539 km (0.112 R)
• M8: 4,172,434 km (0.07 R)
• M9: 5,191,345 km (0.09 R)
• M10: 5,668,413 km (0.105 R)
• M11: 6,213,548 km (0.065 R)
• M12: 7,001,629 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.5

Radius: 8.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.29 AU - 3.51 AU

Year: 3350 Days

Day: 13.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,325,868 km

• M1: 110,553 km (0.084 R)
• M2: 542,591 km (0.042 R)
• M3: 837,150 km (0.114 R)
• M4: 1,224,010 km (0.109 R)
• M5: 1,595,461 km (0.12 R)
• M6: 1,940,883 km (0.111 R)
• M7: 2,294,383 km (0.056 R)
• M8: 2,598,665 km (0.081 R)
• M9: 2,880,956 km (0.114 R)
• M10: 3,397,517 km (0.076 R)
• M11: 4,286,577 km (0.072 R)
• M12: 4,913,542 km (0.097 R)
• M13: 5,273,774 km (0.106 R)
• M14: 7,133,574 km (0.087 R)
• M15: 7,691,126 km (0.104 R)
• M16: 8,144,706 km (0.082 R)
• M17: 12,440,260 km (0.1 R)
• M18: 13,995,330 km (0.084 R)
• M19: 14,770,247 km (0.109 R)
• M20: 15,522,425 km (0.1 R)
• M21: 17,486,794 km (0.061 R)
• M22: 17,932,446 km (0.086 R)
• M23: 18,614,912 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.3

Radius: 10.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.77 AU - 3.75 AU

Year: 3992 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,325,868 km

• M1: 135,087 km (0.11 R)
• M2: 554,859 km (0.117 R)
• M3: 881,131 km (0.074 R)
• M4: 1,228,498 km (0.053 R)
• M5: 2,104,244 km (0.073 R)
• M6: 2,857,319 km (0.081 R)
• M7: 3,780,937 km (0.109 R)
• M8: 4,136,830 km (0.115 R)
• M9: 4,584,427 km (0.115 R)
• M10: 5,088,871 km (0.097 R)
• M11: 5,603,487 km (0.076 R)
• M12: 6,919,350 km (0.096 R)
• M13: 8,016,950 km (0.049 R)
• M14: 8,536,503 km (0.073 R)
• M15: 10,231,148 km (0.101 R)
• M16: 10,842,854 km (0.095 R)
• M17: 12,639,823 km (0.101 R)
• M18: 13,344,429 km (0.027 R)
• M19: 15,298,776 km (0.081 R)
• M20: 18,428,513 km (0.061 R)
• M21: 19,642,799 km (0.043 R)
• M22: 21,234,670 km (0.072 R)
• M23: 23,325,898 km (0.104 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: 485 - 11,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit