🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.6

Radius: 8.3

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.61 AU - 0.67 AU

Year: 347 Days

Day: 13.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,922,243 km

• M1: 106,065 km (0.071 R)
• M2: 380,876 km (0.098 R)
• M3: 695,331 km (0.119 R)
• M4: 987,795 km (0.07 R)
• M5: 1,531,284 km (0.08 R)
• M6: 2,089,134 km (0.118 R)
• M7: 2,424,832 km (0.039 R)
• M8: 2,910,875 km (0.08 R)
• M9: 3,205,583 km (0.118 R)
• M10: 4,619,433 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.5

Radius: 14.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.01 AU - 1.25 AU

Year: 815 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,922,243 km

• M1: 184,753 km (0.053 R)
• M2: 658,380 km (0.119 R)
• M3: 1,126,921 km (0.115 R)
• M4: 1,671,756 km (0.115 R)
• M5: 2,148,375 km (0.08 R)
• M6: 2,799,724 km (0.106 R)
• M7: 3,292,200 km (0.104 R)
• M8: 4,372,895 km (0.044 R)
• M9: 4,881,079 km (0.103 R)
• M10: 5,816,664 km (0.063 R)
• M11: 6,306,897 km (0.085 R)
• M12: 7,324,162 km (0.057 R)
• M13: 7,946,041 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.3

Radius: 14.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.21 AU - 1.53 AU

Year: 1088 Days

Day: 10.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,922,243 km

• M1: 175,329 km (0.112 R)
• M2: 745,895 km (0.117 R)
• M3: 1,413,550 km (0.084 R)
• M4: 2,398,652 km (0.087 R)
• M5: 2,978,045 km (0.096 R)
• M6: 3,429,980 km (0.083 R)
• M7: 3,991,570 km (0.082 R)
• M8: 4,631,999 km (0.108 R)
• M9: 5,680,082 km (0.116 R)
• M10: 7,529,261 km (0.109 R)
• M11: 8,244,638 km (0.112 R)
• M12: 10,232,494 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.4

Radius: 11.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.38 AU - 1.46 AU

Year: 1148 Days

Day: 5.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,922,243 km

• M1: 143,016 km (0.113 R)
• M2: 521,349 km (0.045 R)
• M3: 957,277 km (0.116 R)
• M4: 1,448,407 km (0.079 R)
• M5: 1,873,414 km (0.103 R)
• M6: 2,244,716 km (0.056 R)
• M7: 3,702,398 km (0.106 R)
• M8: 4,158,970 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.5

Radius: 14.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.17 AU - 1.75 AU

Year: 1197 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,922,243 km

• M1: 176,825 km (0.112 R)
• M2: 669,899 km (0.045 R)
• M3: 1,304,344 km (0.079 R)
• M4: 2,022,414 km (0.076 R)
• M5: 2,760,230 km (0.063 R)
• M6: 3,550,107 km (0.112 R)
• M7: 4,123,665 km (0.082 R)
• M8: 4,575,900 km (0.066 R)
• M9: 5,417,986 km (0.062 R)
• M10: 6,338,462 km (0.117 R)
• M11: 6,896,163 km (0.058 R)
• M12: 7,588,202 km (0.096 R)
• M13: 10,131,217 km (0.093 R)
• M14: 11,059,920 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.7

Radius: 14.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.61 AU - 2.11 AU

Year: 1721 Days

Day: 11.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,922,243 km

• M1: 183,557 km (0.059 R)
• M2: 724,353 km (0.026 R)
• M3: 1,418,337 km (0.09 R)
• M4: 1,891,216 km (0.039 R)
• M5: 3,183,592 km (0.105 R)
• M6: 3,640,614 km (0.118 R)
• M7: 4,274,161 km (0.106 R)
• M8: 4,750,480 km (0.038 R)
• M9: 5,218,273 km (0.027 R)
• M10: 5,740,369 km (0.085 R)
• M11: 6,499,429 km (0.109 R)
• M12: 8,069,459 km (0.079 R)
• M13: 8,801,441 km (0.071 R)
• M14: 9,411,950 km (0.088 R)
• M15: 9,913,851 km (0.11 R)
• M16: 12,103,066 km (0.115 R)
• M17: 14,160,186 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 13.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.07 AU - 5.13 AU

Year: 7812 Days

Day: 9.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,922,243 km

• M1: 168,447 km (0.117 R)
• M2: 883,824 km (0.082 R)
• M3: 1,369,269 km (0.058 R)
• M4: 2,106,488 km (0.094 R)
• M5: 2,840,864 km (0.109 R)
• M6: 5,004,348 km (0.098 R)
• M7: 6,409,970 km (0.071 R)
• M8: 7,255,646 km (0.084 R)
• M9: 8,174,327 km (0.118 R)
• M10: 8,777,505 km (0.076 R)
• M11: 9,532,077 km (0.052 R)
• M12: 10,157,995 km (0.084 R)
• M13: 10,900,449 km (0.106 R)
• M14: 12,493,816 km (0.063 R)
• M15: 16,848,161 km (0.094 R)
• M16: 21,836,352 km (0.099 R)
• M17: 22,778,370 km (0.115 R)
• M18: 25,133,938 km (0.063 R)
• M19: 25,607,864 km (0.075 R)
• M20: 26,573,818 km (0.072 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 11,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit