🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.1

Radius: 10.7

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.52 AU - 0.7 AU

Year: 323 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,364,929 km

• M1: 133,142 km (0.089 R)
• M2: 540,946 km (0.077 R)
• M3: 909,705 km (0.1 R)
• M4: 1,922,781 km (0.083 R)
• M5: 2,720,138 km (0.099 R)
• M6: 3,097,873 km (0.067 R)
• M7: 3,487,575 km (0.087 R)
• M8: 3,973,020 km (0.105 R)
• M9: 4,379,777 km (0.075 R)
• M10: 5,095,004 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.7

Radius: 14.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.95 AU - 1.51 AU

Year: 925 Days

Day: 5.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,364,929 km

• M1: 179,218 km (0.088 R)
• M2: 1,874,162 km (0.108 R)
• M3: 2,709,367 km (0.117 R)
• M4: 3,277,989 km (0.068 R)
• M5: 5,041,897 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.5

Radius: 12

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.23 AU - 1.37 AU

Year: 1005 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,364,929 km

• M1: 149,299 km (0.104 R)
• M2: 555,158 km (0.103 R)
• M3: 932,444 km (0.071 R)
• M4: 1,327,382 km (0.062 R)
• M5: 1,800,859 km (0.093 R)
• M6: 2,566,651 km (0.08 R)
• M7: 3,203,638 km (0.117 R)
• M8: 3,670,234 km (0.11 R)
• M9: 4,464,150 km (0.028 R)
• M10: 4,848,168 km (0.119 R)
• M11: 5,446,559 km (0.113 R)
• M12: 6,263,364 km (0.074 R)
• M13: 7,962,646 km (0.07 R)
• M14: 8,346,813 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.8

Radius: 8.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.51 AU - 1.55 AU

Year: 1284 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 167 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,364,929 km

• M1: 115,789 km (0.113 R)
• M2: 401,969 km (0.058 R)
• M3: 809,025 km (0.037 R)
• M4: 1,278,164 km (0.094 R)
• M5: 1,651,860 km (0.109 R)
• M6: 2,170,067 km (0.103 R)
• M7: 3,340,371 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.9

Radius: 14.6

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.92 AU - 1.96 AU

Year: 1833 Days

Day: 10.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 148.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,364,929 km

• M1: 182,061 km (0.107 R)
• M2: 665,860 km (0.084 R)
• M3: 1,441,375 km (0.093 R)
• M4: 2,645,190 km (0.076 R)
• M5: 3,557,886 km (0.104 R)
• M6: 5,389,413 km (0.112 R)
• M7: 6,071,430 km (0.101 R)
• M8: 8,442,406 km (0.045 R)
• M9: 10,260,469 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.8

Radius: 10.3

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.91 AU - 2.31 AU

Year: 2079 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,364,929 km

• M1: 129,103 km (0.094 R)
• M2: 519,254 km (0.046 R)
• M3: 971,489 km (0.088 R)
• M4: 1,595,012 km (0.085 R)
• M5: 2,077,017 km (0.058 R)
• M6: 2,952,464 km (0.053 R)
• M7: 3,499,094 km (0.11 R)
• M8: 3,841,225 km (0.085 R)
• M9: 4,415,680 km (0.053 R)
• M10: 4,920,124 km (0.078 R)
• M11: 5,328,676 km (0.072 R)
• M12: 5,667,366 km (0.069 R)
• M13: 6,667,128 km (0.097 R)
• M14: 7,087,648 km (0.038 R)
• M15: 7,414,669 km (0.065 R)
• M16: 8,128,550 km (0.12 R)
• M17: 8,487,286 km (0.073 R)
• M18: 8,825,227 km (0.104 R)
• M19: 11,598,772 km (0.087 R)
• M20: 11,977,404 km (0.053 R)
• M21: 12,560,686 km (0.098 R)
• M22: 13,203,508 km (0.095 R)
• M23: 14,208,955 km (0.092 R)
• M24: 14,598,807 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.1

Radius: 14

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.75 AU - 6.21 AU

Year: 7538 Days

Day: 7.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,364,929 km

• M1: 174,132 km (0.056 R)
• M2: 1,894,807 km (0.047 R)
• M3: 2,572,186 km (0.098 R)
• M4: 3,009,012 km (0.101 R)
• M5: 4,109,753 km (0.03 R)
• M6: 4,549,570 km (0.068 R)
• M7: 6,062,903 km (0.078 R)
• M8: 7,773,554 km (0.096 R)
• M9: 8,247,630 km (0.059 R)
• M10: 9,877,798 km (0.09 R)
• M11: 11,409,830 km (0.037 R)
• M12: 12,605,266 km (0.07 R)
• M13: 13,654,546 km (0.054 R)
• M14: 14,288,093 km (0.114 R)
• M15: 15,244,771 km (0.111 R)
• M16: 16,824,375 km (0.117 R)
• M17: 18,233,437 km (0.088 R)
• M18: 21,439,320 km (0.087 R)
• M19: 25,778,705 km (0.094 R)
• M20: 28,385,298 km (0.115 R)
• M21: 29,992,428 km (0.081 R)
• M22: 31,360,950 km (0.073 R)
• M23: 36,809,902 km (0.112 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: 301 - 19,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit