🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.1

Radius: 11.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.57 AU - 0.61 AU

Year: 302 Days

Day: 6 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,118,327 km

• M1: 147,952 km (0.112 R)
• M2: 551,567 km (0.031 R)
• M3: 1,023,549 km (0.105 R)
• M4: 1,549,385 km (0.081 R)
• M5: 2,111,724 km (0.111 R)
• M6: 2,562,612 km (0.111 R)
• M7: 2,969,368 km (0.072 R)
• M8: 3,786,771 km (0.047 R)
• M9: 4,355,841 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.9

Radius: 14.3

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.61 AU - 0.93 AU

Year: 451 Days

Day: 5.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,118,327 km

• M1: 177,872 km (0.084 R)
• M2: 626,067 km (0.088 R)
• M3: 1,104,032 km (0.082 R)
• M4: 1,860,698 km (0.112 R)
• M5: 2,465,223 km (0.093 R)
• M6: 3,008,264 km (0.111 R)
• M7: 3,607,403 km (0.093 R)
• M8: 4,741,056 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.8

Radius: 14.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.81 AU - 1.13 AU

Year: 637 Days

Day: 5 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,118,327 km

• M1: 176,675 km (0.085 R)
• M2: 749,785 km (0.086 R)
• M3: 1,337,405 km (0.096 R)
• M4: 1,846,636 km (0.05 R)
• M5: 2,921,796 km (0.111 R)
• M6: 3,926,645 km (0.084 R)
• M7: 4,458,017 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 12.5

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.37 AU - 2.13 AU

Year: 1544 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,118,327 km

• M1: 155,432 km (0.118 R)
• M2: 560,543 km (0.108 R)
• M3: 1,231,639 km (0.086 R)
• M4: 1,851,872 km (0.103 R)
• M5: 2,379,354 km (0.031 R)
• M6: 2,836,525 km (0.036 R)
• M7: 3,710,177 km (0.091 R)
• M8: 4,312,308 km (0.057 R)
• M9: 4,829,019 km (0.109 R)
• M10: 5,838,655 km (0.118 R)
• M11: 6,338,013 km (0.102 R)
• M12: 7,957,260 km (0.088 R)
• M13: 9,836,958 km (0.072 R)
• M14: 10,545,902 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 10

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.85 AU - 2.55 AU

Year: 2176 Days

Day: 9.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,118,327 km

• M1: 124,914 km (0.099 R)
• M2: 554,859 km (0.044 R)
• M3: 1,430,305 km (0.04 R)
• M4: 1,745,059 km (0.108 R)
• M5: 2,162,288 km (0.034 R)
• M6: 3,259,588 km (0.114 R)
• M7: 5,747,401 km (0.086 R)
• M8: 6,826,899 km (0.079 R)
• M9: 7,232,459 km (0.097 R)
• M10: 10,372,368 km (0.097 R)
• M11: 11,012,049 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 9.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.19 AU - 2.47 AU

Year: 2372 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,118,327 km

• M1: 123,119 km (0.039 R)
• M2: 510,578 km (0.092 R)
• M3: 1,125,874 km (0.114 R)
• M4: 1,715,439 km (0.1 R)
• M5: 2,463,578 km (0.11 R)
• M6: 2,831,888 km (0.06 R)
• M7: 3,569,555 km (0.031 R)
• M8: 4,412,389 km (0.116 R)
• M9: 6,922,043 km (0.092 R)
• M10: 8,564,328 km (0.114 R)
• M11: 9,660,283 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.4

Radius: 9.9

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.25 AU - 3.21 AU

Year: 3008 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,118,327 km

• M1: 123,867 km (0.076 R)
• M2: 570,716 km (0.102 R)
• M3: 1,259,764 km (0.119 R)
• M4: 1,802,505 km (0.12 R)
• M5: 2,730,311 km (0.108 R)
• M6: 3,245,825 km (0.094 R)
• M7: 6,467,415 km (0.081 R)
• M8: 8,180,760 km (0.115 R)
• M9: 8,599,185 km (0.119 R)
• M10: 9,105,424 km (0.114 R)
• M11: 10,297,420 km (0.08 R)
• M12: 11,590,245 km (0.087 R)
• M13: 12,029,614 km (0.025 R)
• M14: 13,366,719 km (0.072 R)
• M15: 15,006,013 km (0.084 R)
• M16: 17,280,798 km (0.112 R)
• M17: 21,567,824 km (0.096 R)
• M18: 21,965,455 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 17,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit