🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 14.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.47 AU - 0.65 AU

Year: 279 Days

Day: 13.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,041,578 km

• M1: 185,352 km (0.111 R)
• M2: 659,577 km (0.119 R)
• M3: 1,135,747 km (0.119 R)
• M4: 1,602,193 km (0.061 R)
• M5: 2,145,383 km (0.063 R)
• M6: 2,718,193 km (0.062 R)
• M7: 3,371,188 km (0.068 R)
• M8: 4,102,871 km (0.077 R)
• M9: 4,675,382 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832

Radius: 13.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.92 AU - 1.18 AU

Year: 717 Days

Day: 11.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,041,578 km

• M1: 163,810 km (0.054 R)
• M2: 616,343 km (0.115 R)
• M3: 1,133,503 km (0.05 R)
• M4: 1,565,991 km (0.092 R)
• M5: 2,488,710 km (0.082 R)
• M6: 3,110,439 km (0.073 R)
• M7: 3,660,959 km (0.075 R)
• M8: 4,786,384 km (0.033 R)
• M9: 5,227,249 km (0.063 R)
• M10: 5,772,683 km (0.1 R)
• M11: 7,570,849 km (0.108 R)
• M12: 8,471,578 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.9

Radius: 13

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.83 AU - 1.35 AU

Year: 759 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,041,578 km

• M1: 161,715 km (0.078 R)
• M2: 1,001,707 km (0.09 R)
• M3: 1,514,379 km (0.046 R)
• M4: 1,986,361 km (0.092 R)
• M5: 2,404,487 km (0.117 R)
• M6: 2,939,149 km (0.058 R)
• M7: 4,161,813 km (0.095 R)
• M8: 4,759,307 km (0.092 R)
• M9: 5,223,210 km (0.092 R)
• M10: 7,111,733 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.8

Radius: 12.4

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.11 AU - 1.37 AU

Year: 921 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,041,578 km

• M1: 154,235 km (0.068 R)
• M2: 667,356 km (0.112 R)
• M3: 1,063,342 km (0.053 R)
• M4: 1,458,878 km (0.038 R)
• M5: 2,312,633 km (0.077 R)
• M6: 2,957,550 km (0.063 R)
• M7: 4,147,601 km (0.115 R)
• M8: 4,642,770 km (0.046 R)
• M9: 5,307,882 km (0.059 R)
• M10: 5,913,155 km (0.105 R)
• M11: 6,986,520 km (0.077 R)
• M12: 7,910,436 km (0.108 R)
• M13: 9,048,876 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.4

Radius: 9.6

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.37 AU - 2.07 AU

Year: 1504 Days

Day: 13.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 13,041,578 km

• M1: 119,379 km (0.119 R)
• M2: 429,944 km (0.069 R)
• M3: 733,478 km (0.086 R)
• M4: 1,145,770 km (0.109 R)
• M5: 1,458,130 km (0.064 R)
• M6: 1,899,295 km (0.11 R)
• M7: 2,440,240 km (0.094 R)
• M8: 2,842,060 km (0.09 R)
• M9: 3,615,781 km (0.087 R)
• M10: 3,965,840 km (0.119 R)
• M11: 7,268,512 km (0.057 R)
• M12: 7,665,544 km (0.09 R)
• M13: 8,217,411 km (0.099 R)
• M14: 8,914,537 km (0.089 R)
• M15: 9,277,611 km (0.03 R)
• M16: 9,808,833 km (0.11 R)
• M17: 11,173,764 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 8.9

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.6 AU - 1.9 AU

Year: 1544 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 13,041,578 km

• M1: 110,702 km (0.107 R)
• M2: 405,410 km (0.093 R)
• M3: 973,882 km (0.084 R)
• M4: 1,257,968 km (0.071 R)
• M5: 1,802,056 km (0.12 R)
• M6: 2,177,098 km (0.089 R)
• M7: 2,522,220 km (0.096 R)
• M8: 2,859,563 km (0.078 R)
• M9: 3,226,976 km (0.119 R)
• M10: 4,894,543 km (0.077 R)
• M11: 5,914,950 km (0.049 R)
• M12: 6,284,756 km (0.102 R)
• M13: 6,643,941 km (0.104 R)
• M14: 7,950,678 km (0.117 R)
• M15: 9,520,708 km (0.093 R)
• M16: 10,133,461 km (0.079 R)
• M17: 10,414,256 km (0.099 R)
• M18: 13,641,231 km (0.068 R)
• M19: 14,113,662 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163

Radius: 9.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.16 AU - 3.18 AU

Year: 2909 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,041,578 km

• M1: 164,109 km (0.066 R)
• M2: 536,458 km (0.086 R)
• M3: 2,326,396 km (0.052 R)
• M4: 4,550,019 km (0.084 R)
• M5: 4,880,930 km (0.106 R)
• M6: 5,948,759 km (0.103 R)
• M7: 6,273,985 km (0.082 R)
• M8: 6,884,344 km (0.099 R)
• M9: 7,832,197 km (0.1 R)
• M10: 8,166,847 km (0.1 R)
• M11: 9,760,513 km (0.094 R)
• M12: 10,647,628 km (0.064 R)
• M13: 12,170,086 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 13,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit