🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794

Radius: 13.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.55 AU - 0.83 AU

Year: 382 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,606,497 km

• M1: 172,038 km (0.106 R)
• M2: 872,604 km (0.105 R)
• M3: 1,665,623 km (0.1 R)
• M4: 2,154,957 km (0.109 R)
• M5: 3,503,283 km (0.116 R)
• M6: 4,402,965 km (0.098 R)
• M7: 5,614,109 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838

Radius: 11.3

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.61 AU - 0.79 AU

Year: 391 Days

Day: 15 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,606,497 km

• M1: 140,472 km (0.048 R)
• M2: 611,406 km (0.032 R)
• M3: 1,047,634 km (0.054 R)
• M4: 1,700,778 km (0.098 R)
• M5: 2,133,415 km (0.08 R)
• M6: 2,532,094 km (0.111 R)
• M7: 3,112,085 km (0.071 R)
• M8: 3,482,190 km (0.068 R)
• M9: 4,481,503 km (0.117 R)
• M10: 4,834,106 km (0.069 R)
• M11: 5,764,006 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.4

Radius: 12.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.04 AU - 1.68 AU

Year: 1058 Days

Day: 9.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,606,497 km

• M1: 151,393 km (0.038 R)
• M2: 546,930 km (0.09 R)
• M3: 987,196 km (0.106 R)
• M4: 1,839,755 km (0.116 R)
• M5: 2,269,848 km (0.085 R)
• M6: 3,220,244 km (0.101 R)
• M7: 3,706,586 km (0.092 R)
• M8: 5,261,806 km (0.07 R)
• M9: 5,983,915 km (0.075 R)
• M10: 7,652,081 km (0.08 R)
• M11: 8,079,631 km (0.1 R)
• M12: 8,924,560 km (0.065 R)
• M13: 10,205,118 km (0.071 R)
• M14: 10,790,195 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 8.5

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.46 AU - 1.82 AU

Year: 1401 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,606,497 km

• M1: 105,766 km (0.091 R)
• M2: 391,198 km (0.083 R)
• M3: 743,053 km (0.101 R)
• M4: 1,018,163 km (0.096 R)
• M5: 2,280,620 km (0.096 R)
• M6: 2,809,298 km (0.053 R)
• M7: 3,246,124 km (0.039 R)
• M8: 3,694,170 km (0.094 R)
• M9: 4,461,906 km (0.082 R)
• M10: 5,016,615 km (0.119 R)
• M11: 5,310,724 km (0.074 R)
• M12: 5,864,835 km (0.104 R)
• M13: 6,144,284 km (0.072 R)
• M14: 6,629,729 km (0.087 R)
• M15: 7,192,965 km (0.094 R)
• M16: 9,418,383 km (0.112 R)
• M17: 10,431,609 km (0.096 R)
• M18: 12,254,160 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56

Radius: 9.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.63 AU - 2.21 AU

Year: 1774 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,606,497 km

• M1: 129,253 km (0.063 R)
• M2: 518,656 km (0.112 R)
• M3: 1,483,712 km (0.085 R)
• M4: 2,200,435 km (0.101 R)
• M5: 3,792,904 km (0.057 R)
• M6: 4,350,904 km (0.095 R)
• M7: 4,711,435 km (0.101 R)
• M8: 5,010,930 km (0.108 R)
• M9: 5,407,514 km (0.095 R)
• M10: 6,282,363 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.3

Radius: 12.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.09 AU - 3.13 AU

Year: 3657 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 81 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,606,497 km

• M1: 166,502 km (0.076 R)
• M2: 597,793 km (0.12 R)
• M3: 1,024,147 km (0.114 R)
• M4: 2,394,613 km (0.026 R)
• M5: 3,607,553 km (0.052 R)
• M6: 5,003,002 km (0.07 R)
• M7: 5,540,357 km (0.097 R)
• M8: 6,760,328 km (0.083 R)
• M9: 12,346,013 km (0.078 R)
• M10: 14,756,184 km (0.107 R)
• M11: 15,557,131 km (0.061 R)
• M12: 19,524,168 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 10.9

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.26 AU - 3.82 AU

Year: 4442 Days

Day: 7.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 70.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,606,497 km

• M1: 135,685 km (0.095 R)
• M2: 505,042 km (0.072 R)
• M3: 1,042,548 km (0.092 R)
• M4: 1,463,965 km (0.079 R)
• M5: 1,811,481 km (0.079 R)
• M6: 2,229,906 km (0.106 R)
• M7: 3,403,800 km (0.104 R)
• M8: 4,374,242 km (0.114 R)
• M9: 4,795,360 km (0.1 R)
• M10: 6,254,537 km (0.09 R)
• M11: 7,356,774 km (0.106 R)
• M12: 7,882,461 km (0.096 R)
• M13: 8,246,583 km (0.109 R)
• M14: 9,048,278 km (0.07 R)
• M15: 10,197,040 km (0.087 R)
• M16: 10,851,082 km (0.092 R)
• M17: 11,256,791 km (0.089 R)
• M18: 13,907,964 km (0.089 R)
• M19: 15,718,996 km (0.086 R)
• M20: 16,532,809 km (0.106 R)
• M21: 22,815,470 km (0.113 R)
• M22: 23,482,527 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 15,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit