🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 13.3

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.66 AU - 0.88 AU

Year: 458 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,189,389 km

• M1: 165,455 km (0.077 R)
• M2: 659,727 km (0.118 R)
• M3: 1,114,504 km (0.076 R)
• M4: 1,779,167 km (0.105 R)
• M5: 2,231,551 km (0.113 R)
• M6: 3,012,153 km (0.106 R)
• M7: 4,737,017 km (0.053 R)
• M8: 5,867,079 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.6

Radius: 12.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.04 AU - 1.27 AU

Year: 836 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,189,389 km

• M1: 159,172 km (0.109 R)
• M2: 625,020 km (0.117 R)
• M3: 1,104,780 km (0.114 R)
• M4: 1,511,088 km (0.069 R)
• M5: 2,047,097 km (0.067 R)
• M6: 2,963,534 km (0.105 R)
• M7: 3,701,500 km (0.058 R)
• M8: 4,923,116 km (0.058 R)
• M9: 5,902,234 km (0.098 R)
• M10: 6,920,697 km (0.062 R)

Asteroid Belt

Center: 1.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.5

Radius: 13.7

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.8 AU - 2.68 AU

Year: 2274 Days

Day: 7.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,189,389 km

• M1: 170,392 km (0.059 R)
• M2: 613,351 km (0.12 R)
• M3: 1,199,177 km (0.095 R)
• M4: 1,789,789 km (0.063 R)
• M5: 2,874,822 km (0.074 R)
• M6: 4,300,340 km (0.085 R)
• M7: 5,904,030 km (0.086 R)
• M8: 6,439,740 km (0.052 R)
• M9: 7,608,847 km (0.053 R)
• M10: 8,369,402 km (0.093 R)
• M11: 9,146,713 km (0.057 R)
• M12: 9,587,578 km (0.065 R)
• M13: 10,329,733 km (0.118 R)
• M14: 12,251,617 km (0.073 R)
• M15: 13,820,150 km (0.101 R)
• M16: 14,953,205 km (0.06 R)
• M17: 16,000,839 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.5

Radius: 4.8

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.97 AU - 7.69 AU

Year: 12107 Days

Day: 17.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,189,389 km

• M1: 70,161 km (0.112 R)
• M2: 224,546 km (0.092 R)
• M3: 680,670 km (0.056 R)
• M4: 840,740 km (0.038 R)
• M5: 1,986,361 km (0.058 R)
• M6: 2,617,065 km (0.099 R)
• M7: 3,311,199 km (0.09 R)
• M8: 4,191,732 km (0.116 R)
• M9: 4,508,730 km (0.084 R)
• M10: 5,081,690 km (0.089 R)
• M11: 9,045,585 km (0.116 R)
• M12: 10,081,401 km (0.082 R)
• M13: 12,336,738 km (0.114 R)
• M14: 13,294,912 km (0.066 R)
• M15: 14,301,706 km (0.118 R)
• M16: 14,465,217 km (0.119 R)
• M17: 14,963,228 km (0.058 R)
• M18: 16,406,398 km (0.069 R)
• M19: 16,826,469 km (0.092 R)
• M20: 17,131,051 km (0.037 R)
• M21: 17,563,388 km (0.057 R)
• M22: 21,573,210 km (0.083 R)
• M23: 22,663,180 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.7

Radius: 3.4

Gravity: 41.84 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.63 AU - 11.99 AU

Year: 22453 Days

Day: 17.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 73,189,389 km

• M1: 43,533 km (0.089 R)
• M2: 181,761 km (0.099 R)
• M3: 294,109 km (0.09 R)
• M4: 420,968 km (0.119 R)
• M5: 864,376 km (0.119 R)
• M6: 1,091,915 km (0.115 R)
• M7: 2,285,257 km (0.057 R)
• M8: 2,416,754 km (0.089 R)
• M9: 4,414,783 km (0.094 R)
• M10: 6,619,407 km (0.092 R)
• M11: 8,031,012 km (0.102 R)
• M12: 8,387,205 km (0.103 R)
• M13: 8,543,086 km (0.112 R)
• M14: 10,327,339 km (0.036 R)
• M15: 10,932,164 km (0.089 R)
• M16: 11,818,232 km (0.116 R)
• M17: 12,819,341 km (0.113 R)
• M18: 12,956,971 km (0.087 R)
• M19: 14,686,472 km (0.119 R)
• M20: 14,988,959 km (0.117 R)
• M21: 17,056,850 km (0.116 R)
• M22: 19,217,342 km (0.094 R)
• M23: 19,397,758 km (0.063 R)
• M24: 19,945,435 km (0.118 R)
• M25: 20,881,170 km (0.095 R)
• M26: 23,042,111 km (0.045 R)
• M27: 23,863,404 km (0.098 R)
• M28: 24,281,380 km (0.117 R)
• M29: 24,917,321 km (0.093 R)
• M30: 28,614,782 km (0.115 R)
• M31: 29,683,210 km (0.096 R)
• M32: 38,342,533 km (0.109 R)
• M33: 42,627,315 km (0.044 R)
• M34: 49,889,992 km (0.114 R)
• M35: 53,901,609 km (0.066 R)
• M36: 59,641,081 km (0.092 R)
• M37: 61,185,679 km (0.095 R)
• M38: 61,380,605 km (0.061 R)
• M39: 62,361,518 km (0.059 R)
• M40: 64,556,119 km (0.09 R)
• M41: 66,801,732 km (0.072 R)
• M42: 67,215,520 km (0.044 R)
• M43: 70,587,606 km (0.116 R)
• M44: 72,097,647 km (0.037 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: 279 - 19,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit