🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.73 AU - 0.79 AU

Year: 252 Days

Day: 45.7 Hours

Environment

Temp: 87 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 21,860,369 km

• M1: 62,532 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.84 AU - 0.92 AU

Year: 314 Days

Day: 26.4 Hours

Environment

Temp: 40 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 21,860,369 km

• M1: 41,887 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1 AU - 1.64 AU

Year: 578 Days

Day: 24.3 Hours

Environment

Temp: -38 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,860,369 km

• M1: 39,943 km (0.088 R)

Asteroid Belt

Center: 2.79 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21

Radius: 13.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.95 AU - 4.57 AU

Year: 3348 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 21,860,369 km

• M1: 277,354 km (0.103 R)
• M2: 379,829 km (0.12 R)
• M3: 537,206 km (0.069 R)
• M4: 649,853 km (0.107 R)
• M5: 809,624 km (0.109 R)
• M6: 1,009,935 km (0.054 R)
• M7: 1,132,905 km (0.079 R)
• M8: 1,289,982 km (0.089 R)
• M9: 1,383,332 km (0.111 R)
• M10: 1,595,760 km (0.113 R)
• M11: 1,825,692 km (0.08 R)
• M12: 2,039,617 km (0.087 R)
• M13: 2,149,721 km (0.047 R)
• M14: 2,376,063 km (0.109 R)
• M15: 2,700,391 km (0.108 R)
• M16: 2,791,347 km (0.103 R)
• M17: 2,906,537 km (0.089 R)
• M18: 3,189,726 km (0.098 R)
• M19: 3,631,488 km (0.12 R)
• M20: 3,954,021 km (0.066 R)
• M21: 4,049,315 km (0.037 R)
• M22: 4,154,034 km (0.119 R)
• M23: 4,330,559 km (0.103 R)
• M24: 4,482,700 km (0.085 R)
• M25: 4,746,292 km (0.093 R)
• M26: 4,866,120 km (0.071 R)
• M27: 5,005,694 km (0.106 R)
• M28: 5,519,114 km (0.063 R)
• M29: 6,240,176 km (0.092 R)
• M30: 6,371,822 km (0.119 R)
• M31: 6,596,518 km (0.069 R)
• M32: 6,751,352 km (0.089 R)
• M33: 6,875,967 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 14.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.28 AU - 5.78 AU

Year: 4296 Days

Day: 12.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 21,860,369 km

• M1: 188,793 km (0.118 R)
• M2: 309,368 km (0.089 R)
• M3: 406,158 km (0.12 R)
• M4: 657,483 km (0.06 R)
• M5: 819,946 km (0.098 R)
• M6: 933,341 km (0.083 R)
• M7: 1,143,227 km (0.082 R)
• M8: 1,272,330 km (0.103 R)
• M9: 1,419,385 km (0.072 R)
• M10: 1,691,204 km (0.083 R)
• M11: 2,197,144 km (0.072 R)
• M12: 2,781,623 km (0.081 R)
• M13: 2,943,637 km (0.102 R)
• M14: 3,075,433 km (0.102 R)
• M15: 3,243,132 km (0.096 R)
• M16: 3,605,309 km (0.106 R)
• M17: 3,836,288 km (0.045 R)
• M18: 3,980,799 km (0.03 R)
• M19: 4,388,005 km (0.079 R)
• M20: 4,673,437 km (0.085 R)
• M21: 5,103,083 km (0.105 R)
• M22: 5,464,361 km (0.104 R)
• M23: 5,648,217 km (0.113 R)
• M24: 5,896,400 km (0.073 R)
• M25: 6,190,659 km (0.11 R)
• M26: 6,641,248 km (0.083 R)
• M27: 6,969,765 km (0.091 R)
• M28: 7,147,038 km (0.093 R)
• M29: 7,894,579 km (0.093 R)
• M30: 8,079,631 km (0.111 R)
• M31: 9,002,201 km (0.114 R)
• M32: 9,195,632 km (0.118 R)
• M33: 9,635,898 km (0.042 R)
• M34: 9,784,299 km (0.105 R)
• M35: 9,883,632 km (0.117 R)
• M36: 10,208,708 km (0.034 R)
• M37: 10,309,388 km (0.093 R)
• M38: 10,435,798 km (0.11 R)
• M39: 11,413,270 km (0.041 R)
• M40: 11,807,162 km (0.051 R)
• M41: 12,393,136 km (0.111 R)
• M42: 12,500,697 km (0.119 R)
• M43: 12,743,794 km (0.12 R)
• M44: 12,906,706 km (0.095 R)
• M45: 13,399,930 km (0.051 R)
• M46: 13,843,488 km (0.099 R)
• M47: 14,319,957 km (0.061 R)
• M48: 14,461,177 km (0.08 R)
• M49: 14,859,108 km (0.092 R)
• M50: 14,973,400 km (0.058 R)
• M51: 15,375,968 km (0.102 R)
• M52: 16,015,649 km (0.111 R)
• M53: 16,191,726 km (0.084 R)
• M54: 16,634,535 km (0.092 R)
• M55: 16,842,626 km (0.115 R)
• M56: 17,171,143 km (0.114 R)
• M57: 17,562,341 km (0.09 R)
• M58: 17,865,277 km (0.084 R)
• M59: 18,200,526 km (0.085 R)
• M60: 18,877,157 km (0.099 R)
• M61: 19,063,107 km (0.106 R)
• M62: 19,156,456 km (0.041 R)
• M63: 19,593,432 km (0.032 R)
• M64: 19,781,775 km (0.098 R)
• M65: 20,572,998 km (0.068 R)
• M66: 20,956,418 km (0.114 R)
• M67: 21,084,773 km (0.065 R)
• M68: 21,406,857 km (0.058 R)
• M69: 21,536,109 km (0.07 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 13,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit