🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.2

Radius: 14.2

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.56 AU - 0.74 AU

Year: 362 Days

Day: 8.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,590,558 km

• M1: 177,872 km (0.045 R)
• M2: 626,067 km (0.117 R)
• M3: 1,145,770 km (0.056 R)
• M4: 1,669,063 km (0.104 R)
• M5: 2,155,556 km (0.08 R)
• M6: 2,649,827 km (0.099 R)
• M7: 3,482,489 km (0.099 R)
• M8: 4,038,544 km (0.054 R)
• M9: 4,887,362 km (0.082 R)
• M10: 5,571,174 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.6

Radius: 9.4

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.62 AU - 0.72 AU

Year: 379 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,590,558 km

• M1: 116,836 km (0.056 R)
• M2: 443,258 km (0.096 R)
• M3: 737,518 km (0.117 R)
• M4: 1,045,390 km (0.091 R)
• M5: 1,540,858 km (0.05 R)
• M6: 2,595,822 km (0.081 R)
• M7: 3,138,863 km (0.04 R)
• M8: 3,649,440 km (0.098 R)
• M9: 4,163,309 km (0.075 R)
• M10: 4,655,336 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.5

Radius: 9.2

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.66 AU - 1.04 AU

Year: 541 Days

Day: 14.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,590,558 km

• M1: 114,891 km (0.045 R)
• M2: 415,433 km (0.09 R)
• M3: 974,780 km (0.099 R)
• M4: 1,280,109 km (0.118 R)
• M5: 1,664,426 km (0.074 R)
• M6: 2,719,540 km (0.096 R)
• M7: 3,023,523 km (0.079 R)
• M8: 3,750,718 km (0.052 R)
• M9: 4,210,133 km (0.07 R)
• M10: 5,085,131 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.2

Radius: 12

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.44 AU - 2.12 AU

Year: 1639 Days

Day: 14.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,590,558 km

• M1: 151,991 km (0.092 R)
• M2: 533,316 km (0.081 R)
• M3: 974,181 km (0.037 R)
• M4: 1,428,660 km (0.088 R)
• M5: 2,101,102 km (0.054 R)
• M6: 2,878,263 km (0.093 R)
• M7: 4,439,317 km (0.052 R)
• M8: 4,920,573 km (0.098 R)
• M9: 5,500,714 km (0.094 R)
• M10: 6,577,370 km (0.073 R)
• M11: 7,360,963 km (0.099 R)
• M12: 8,549,967 km (0.115 R)
• M13: 9,023,744 km (0.103 R)
• M14: 9,608,970 km (0.079 R)
• M15: 10,351,275 km (0.091 R)
• M16: 11,913,825 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821

Radius: 9

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.2 AU - 2.54 AU

Year: 2518 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,590,558 km

• M1: 115,340 km (0.097 R)
• M2: 431,291 km (0.088 R)
• M3: 850,913 km (0.085 R)
• M4: 1,413,999 km (0.109 R)
• M5: 1,808,788 km (0.103 R)
• M6: 2,651,323 km (0.099 R)
• M7: 3,526,919 km (0.077 R)
• M8: 4,473,724 km (0.112 R)
• M9: 6,023,558 km (0.115 R)
• M10: 7,807,064 km (0.041 R)
• M11: 8,261,542 km (0.071 R)
• M12: 8,630,900 km (0.09 R)
• M13: 11,083,706 km (0.051 R)
• M14: 13,873,108 km (0.097 R)
• M15: 15,990,516 km (0.115 R)
• M16: 19,705,480 km (0.077 R)
• M17: 20,305,218 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.8

Radius: 11.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.54 AU - 3.12 AU

Year: 3286 Days

Day: 13.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,590,558 km

• M1: 138,079 km (0.087 R)
• M2: 495,019 km (0.053 R)
• M3: 960,418 km (0.117 R)
• M4: 2,208,065 km (0.072 R)
• M5: 3,347,402 km (0.088 R)
• M6: 3,885,954 km (0.044 R)
• M7: 4,327,118 km (0.096 R)
• M8: 5,693,097 km (0.068 R)
• M9: 7,548,559 km (0.036 R)
• M10: 9,286,886 km (0.114 R)
• M11: 9,877,050 km (0.069 R)
• M12: 14,470,452 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.9

Radius: 9.7

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3 AU - 3.14 AU

Year: 3713 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,590,558 km

• M1: 120,576 km (0.118 R)
• M2: 493,823 km (0.098 R)
• M3: 914,941 km (0.09 R)
• M4: 2,107,236 km (0.036 R)
• M5: 2,661,197 km (0.108 R)
• M6: 3,106,549 km (0.086 R)
• M7: 3,825,816 km (0.105 R)
• M8: 4,281,341 km (0.055 R)
• M9: 4,845,774 km (0.12 R)
• M10: 6,656,357 km (0.029 R)
• M11: 7,252,056 km (0.086 R)
• M12: 7,646,246 km (0.083 R)
• M13: 8,477,861 km (0.09 R)
• M14: 9,253,975 km (0.054 R)
• M15: 9,797,165 km (0.068 R)
• M16: 11,075,778 km (0.059 R)
• M17: 12,185,195 km (0.045 R)
• M18: 13,711,542 km (0.109 R)
• M19: 14,520,717 km (0.094 R)
• M20: 15,254,495 km (0.087 R)
• M21: 18,866,087 km (0.092 R)
• M22: 23,151,467 km (0.047 R)
• M23: 24,152,726 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 12,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit