🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.1

Radius: 12.8

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.6 AU - 0.64 AU

Year: 337 Days

Day: 14.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,851,462 km

• M1: 159,172 km (0.115 R)
• M2: 590,612 km (0.092 R)
• M3: 1,171,351 km (0.095 R)
• M4: 1,632,262 km (0.087 R)
• M5: 2,206,868 km (0.071 R)
• M6: 2,934,661 km (0.099 R)
• M7: 3,435,515 km (0.105 R)
• M8: 3,867,105 km (0.1 R)
• M9: 4,884,520 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.6

Radius: 10.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.5 AU - 0.8 AU

Year: 362 Days

Day: 12.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,851,462 km

• M1: 130,749 km (0.083 R)
• M2: 546,182 km (0.068 R)
• M3: 1,038,508 km (0.094 R)
• M4: 1,553,125 km (0.117 R)
• M5: 2,124,739 km (0.041 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.4

Radius: 3.5

Gravity: 16.85 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.01 AU - 7.87 AU

Year: 14008 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,851,462 km

• M1: 45,777 km (0.07 R)
• M2: 471,383 km (0.091 R)
• M3: 1,856,659 km (0.111 R)
• M4: 4,460,111 km (0.085 R)
• M5: 6,950,766 km (0.037 R)
• M6: 7,723,289 km (0.1 R)
• M7: 7,884,406 km (0.051 R)
• M8: 10,877,261 km (0.052 R)
• M9: 13,418,181 km (0.108 R)
• M10: 19,557,678 km (0.104 R)
• M11: 21,479,711 km (0.09 R)
• M12: 27,057,916 km (0.043 R)
• M13: 31,031,386 km (0.079 R)
• M14: 32,997,700 km (0.054 R)
• M15: 34,173,240 km (0.052 R)
• M16: 36,381,753 km (0.1 R)
• M17: 37,062,274 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.2

Radius: 3.1

Gravity: 98.04 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.52 AU - 9.19 AU

Year: 16655 Days

Day: 25 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,851,462 km

• M1: 38,596 km (0.081 R)
• M2: 203,004 km (0.09 R)
• M3: 406,308 km (0.05 R)
• M4: 902,674 km (0.108 R)
• M5: 1,431,652 km (0.101 R)
• M6: 2,247,259 km (0.08 R)
• M7: 2,608,388 km (0.091 R)
• M8: 3,033,097 km (0.101 R)
• M9: 3,648,991 km (0.099 R)
• M10: 3,861,271 km (0.086 R)
• M11: 4,081,778 km (0.076 R)
• M12: 5,427,860 km (0.116 R)
• M13: 5,825,939 km (0.112 R)
• M14: 9,508,889 km (0.09 R)
• M15: 10,323,599 km (0.066 R)
• M16: 11,891,984 km (0.086 R)
• M17: 14,270,290 km (0.045 R)
• M18: 15,967,179 km (0.108 R)
• M19: 17,030,521 km (0.111 R)
• M20: 23,266,957 km (0.082 R)
• M21: 25,061,234 km (0.089 R)
• M22: 25,278,151 km (0.065 R)
• M23: 25,936,531 km (0.11 R)
• M24: 30,993,088 km (0.12 R)
• M25: 31,494,241 km (0.086 R)
• M26: 34,885,027 km (0.093 R)
• M27: 47,820,455 km (0.101 R)
• M28: 48,154,208 km (0.112 R)
• M29: 50,707,096 km (0.041 R)
• M30: 54,249,125 km (0.058 R)
• M31: 55,342,984 km (0.112 R)
• M32: 60,059,356 km (0.092 R)
• M33: 60,838,013 km (0.065 R)
• M34: 62,018,490 km (0.059 R)
• M35: 64,222,366 km (0.109 R)
• M36: 68,997,979 km (0.111 R)
• M37: 70,281,528 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.8

Radius: 7.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.2 AU - 10.92 AU

Year: 22025 Days

Day: 20.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,851,462 km

• M1: 95,743 km (0.114 R)
• M2: 347,217 km (0.048 R)
• M3: 1,010,534 km (0.029 R)
• M4: 1,407,267 km (0.085 R)
• M5: 1,715,888 km (0.109 R)
• M6: 2,145,981 km (0.093 R)
• M7: 2,601,657 km (0.103 R)
• M8: 3,070,347 km (0.119 R)
• M9: 3,594,089 km (0.05 R)
• M10: 3,936,219 km (0.069 R)
• M11: 4,752,126 km (0.082 R)
• M12: 5,944,271 km (0.111 R)
• M13: 8,753,570 km (0.089 R)
• M14: 9,321,443 km (0.078 R)
• M15: 11,594,882 km (0.099 R)
• M16: 12,027,519 km (0.117 R)
• M17: 13,798,309 km (0.11 R)
• M18: 14,638,451 km (0.065 R)
• M19: 15,364,150 km (0.12 R)
• M20: 16,730,727 km (0.118 R)
• M21: 22,057,757 km (0.108 R)
• M22: 25,722,157 km (0.109 R)
• M23: 30,584,537 km (0.109 R)
• M24: 31,410,616 km (0.103 R)
• M25: 39,111,765 km (0.079 R)
• M26: 45,345,209 km (0.048 R)
• M27: 48,936,455 km (0.095 R)
• M28: 50,391,893 km (0.102 R)
• M29: 52,712,904 km (0.109 R)
• M30: 57,388,735 km (0.077 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 13,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit