🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.21 AU - 1.61 AU

Year: 638 Days

Day: 35 Hours

Environment

Temp: -52 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.4

Radius: 12.1

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.07 AU - 5.77 AU

Year: 4156 Days

Day: 11.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,277,297 km

• M1: 150,944 km (0.119 R)
• M2: 692,189 km (0.087 R)
• M3: 1,071,420 km (0.084 R)
• M4: 1,487,900 km (0.083 R)
• M5: 1,924,726 km (0.088 R)
• M6: 2,413,014 km (0.092 R)
• M7: 2,956,802 km (0.103 R)
• M8: 3,521,235 km (0.1 R)
• M9: 4,089,856 km (0.112 R)
• M10: 4,923,864 km (0.099 R)
• M11: 6,061,855 km (0.085 R)
• M12: 6,462,778 km (0.079 R)
• M13: 9,786,842 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.4

Radius: 11.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.99 AU - 13.97 AU

Year: 14812 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,277,297 km

• M1: 145,559 km (0.093 R)
• M2: 525,089 km (0.096 R)
• M3: 1,128,417 km (0.036 R)
• M4: 1,620,743 km (0.061 R)
• M5: 2,167,224 km (0.098 R)
• M6: 3,048,655 km (0.101 R)
• M7: 5,124,325 km (0.036 R)
• M8: 6,643,492 km (0.109 R)
• M9: 8,051,507 km (0.099 R)
• M10: 11,947,036 km (0.105 R)
• M11: 13,647,215 km (0.072 R)
• M12: 14,975,495 km (0.118 R)
• M13: 16,737,010 km (0.064 R)
• M14: 21,739,114 km (0.08 R)
• M15: 22,674,100 km (0.063 R)
• M16: 23,813,438 km (0.081 R)
• M17: 29,263,288 km (0.093 R)
• M18: 30,613,409 km (0.069 R)
• M19: 33,774,113 km (0.083 R)
• M20: 38,482,107 km (0.095 R)
• M21: 40,101,654 km (0.115 R)
• M22: 42,156,979 km (0.09 R)
• M23: 45,921,011 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.2

Radius: 12.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 11.22 AU - 11.74 AU

Year: 14812 Days

Day: 14.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,277,297 km

• M1: 168,746 km (0.108 R)
• M2: 917,035 km (0.086 R)
• M3: 4,144,310 km (0.077 R)
• M4: 5,207,651 km (0.086 R)
• M5: 8,178,216 km (0.052 R)
• M6: 8,737,712 km (0.042 R)
• M7: 11,529,059 km (0.087 R)
• M8: 13,073,358 km (0.081 R)
• M9: 30,522,005 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.9

Radius: 5.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 11.14 AU - 13.92 AU

Year: 16890 Days

Day: 15.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,277,297 km

• M1: 73,303 km (0.077 R)
• M2: 358,586 km (0.118 R)
• M3: 684,709 km (0.111 R)
• M4: 2,857,319 km (0.095 R)
• M5: 4,681,217 km (0.069 R)
• M6: 4,964,405 km (0.071 R)
• M7: 7,203,137 km (0.082 R)
• M8: 7,619,468 km (0.059 R)
• M9: 9,138,186 km (0.11 R)
• M10: 9,807,786 km (0.1 R)
• M11: 10,178,041 km (0.099 R)
• M12: 14,947,819 km (0.089 R)
• M13: 16,129,792 km (0.094 R)
• M14: 19,032,290 km (0.119 R)
• M15: 21,483,002 km (0.11 R)
• M16: 23,969,618 km (0.075 R)
• M17: 25,846,323 km (0.083 R)
• M18: 34,653,000 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.3

Radius: 5

Gravity: 13.05 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 15.7 AU - 17 AU

Year: 25175 Days

Day: 18.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,277,297 km

• M1: 62,233 km (0.106 R)
• M2: 252,072 km (0.094 R)
• M3: 408,253 km (0.112 R)
• M4: 721,660 km (0.086 R)
• M5: 926,460 km (0.103 R)
• M6: 1,785,451 km (0.119 R)
• M7: 2,104,244 km (0.108 R)
• M8: 2,758,734 km (0.088 R)
• M9: 3,291,452 km (0.04 R)
• M10: 4,263,390 km (0.109 R)
• M11: 6,285,654 km (0.068 R)
• M12: 7,433,369 km (0.107 R)
• M13: 9,682,573 km (0.078 R)
• M14: 10,077,810 km (0.041 R)
• M15: 12,023,181 km (0.086 R)
• M16: 14,277,471 km (0.101 R)
• M17: 17,204,952 km (0.117 R)
• M18: 19,780,878 km (0.117 R)
• M19: 20,972,873 km (0.096 R)
• M20: 22,504,606 km (0.062 R)
• M21: 25,362,075 km (0.118 R)
• M22: 26,329,524 km (0.078 R)
• M23: 30,087,573 km (0.086 R)
• M24: 30,686,413 km (0.08 R)
• M25: 31,049,636 km (0.074 R)
• M26: 32,156,212 km (0.051 R)
• M27: 34,708,950 km (0.092 R)
• M28: 44,859,165 km (0.093 R)
• M29: 49,517,494 km (0.08 R)
• M30: 51,026,188 km (0.068 R)
• M31: 52,911,570 km (0.045 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 18,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit