🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 13.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.68 AU - 0.78 AU

Year: 416 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,735,596 km

• M1: 167,998 km (0.101 R)
• M2: 636,240 km (0.032 R)
• M3: 1,129,763 km (0.101 R)
• M4: 1,580,053 km (0.117 R)
• M5: 2,097,063 km (0.113 R)
• M6: 2,774,741 km (0.05 R)
• M7: 3,988,130 km (0.06 R)
• M8: 4,477,015 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423

Radius: 11.1

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.65 AU - 0.93 AU

Year: 468 Days

Day: 8.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,735,596 km

• M1: 142,268 km (0.079 R)
• M2: 723,605 km (0.114 R)
• M3: 1,293,124 km (0.048 R)
• M4: 1,790,836 km (0.088 R)
• M5: 2,197,144 km (0.101 R)
• M6: 3,320,923 km (0.103 R)
• M7: 4,081,479 km (0.068 R)
• M8: 4,895,590 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.4

Radius: 11.1

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.46 AU - 1.6 AU

Year: 1262 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,735,596 km

• M1: 138,079 km (0.054 R)
• M2: 584,479 km (0.092 R)
• M3: 2,319,515 km (0.119 R)
• M4: 2,898,010 km (0.106 R)
• M5: 3,984,988 km (0.038 R)
• M6: 5,558,159 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.2

Radius: 10.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.8 AU - 4.28 AU

Year: 4442 Days

Day: 8.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,735,596 km

• M1: 125,662 km (0.107 R)
• M2: 483,800 km (0.052 R)
• M3: 857,345 km (0.12 R)
• M4: 1,175,091 km (0.114 R)
• M5: 1,552,078 km (0.109 R)
• M6: 2,009,997 km (0.034 R)
• M7: 2,407,778 km (0.088 R)
• M8: 2,974,604 km (0.11 R)
• M9: 4,441,860 km (0.042 R)
• M10: 4,809,123 km (0.047 R)
• M11: 5,423,521 km (0.099 R)
• M12: 7,361,412 km (0.082 R)
• M13: 9,383,975 km (0.099 R)
• M14: 10,068,535 km (0.118 R)
• M15: 14,895,011 km (0.112 R)
• M16: 18,208,305 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.7

Radius: 8.6

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.34 AU - 4.72 AU

Year: 6429 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,735,596 km

• M1: 108,010 km (0.059 R)
• M2: 489,933 km (0.065 R)
• M3: 1,353,262 km (0.09 R)
• M4: 1,813,425 km (0.077 R)
• M5: 2,715,351 km (0.09 R)
• M6: 4,963,508 km (0.102 R)
• M7: 7,053,390 km (0.102 R)
• M8: 7,722,691 km (0.071 R)
• M9: 8,312,406 km (0.104 R)
• M10: 8,597,689 km (0.086 R)
• M11: 9,895,151 km (0.087 R)
• M12: 10,262,115 km (0.106 R)
• M13: 10,733,647 km (0.055 R)
• M14: 12,079,280 km (0.108 R)
• M15: 12,604,967 km (0.069 R)
• M16: 13,311,219 km (0.06 R)
• M17: 14,332,374 km (0.119 R)
• M18: 15,773,899 km (0.106 R)
• M19: 20,306,415 km (0.064 R)
• M20: 20,824,921 km (0.106 R)
• M21: 24,123,554 km (0.105 R)
• M22: 24,538,090 km (0.059 R)
• M23: 26,770,838 km (0.104 R)
• M24: 28,763,033 km (0.11 R)
• M25: 34,068,222 km (0.112 R)
• M26: 35,223,567 km (0.111 R)
• M27: 35,757,182 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.6

Radius: 3.2

Gravity: 38.05 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.76 AU - 7.94 AU

Year: 11955 Days

Day: 18.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,735,596 km

• M1: 40,242 km (0.106 R)
• M2: 229,782 km (0.111 R)
• M3: 1,765,704 km (0.091 R)
• M4: 2,815,432 km (0.094 R)
• M5: 3,120,312 km (0.048 R)
• M6: 3,978,406 km (0.113 R)
• M7: 6,324,400 km (0.108 R)
• M8: 6,807,601 km (0.118 R)
• M9: 7,077,774 km (0.087 R)
• M10: 7,435,613 km (0.088 R)
• M11: 7,973,567 km (0.066 R)
• M12: 8,760,451 km (0.098 R)
• M13: 9,502,307 km (0.054 R)
• M14: 11,647,092 km (0.119 R)
• M15: 14,405,826 km (0.074 R)
• M16: 16,792,062 km (0.119 R)
• M17: 18,298,812 km (0.038 R)
• M18: 23,881,056 km (0.111 R)
• M19: 27,780,325 km (0.104 R)
• M20: 29,573,704 km (0.084 R)
• M21: 37,045,070 km (0.118 R)
• M22: 43,408,066 km (0.077 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 16,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit