🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.47 AU - 0.63 AU

Year: 263 Days

Day: 32 Hours

Environment

Temp: -122 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,493,786 km

• M1: 227,389 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.1

Radius: 9.7

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.61 AU - 0.91 AU

Year: 428 Days

Day: 12.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,493,786 km

• M1: 120,576 km (0.1 R)
• M2: 491,279 km (0.032 R)
• M3: 918,232 km (0.111 R)
• M4: 1,251,237 km (0.106 R)
• M5: 2,312,933 km (0.061 R)
• M6: 2,715,201 km (0.075 R)
• M7: 3,163,995 km (0.074 R)
• M8: 3,478,150 km (0.092 R)
• M9: 4,363,620 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947

Radius: 12.5

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.9 AU - 1.26 AU

Year: 725 Days

Day: 12.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,493,786 km

• M1: 155,432 km (0.092 R)
• M2: 550,071 km (0.074 R)
• M3: 1,015,171 km (0.093 R)
• M4: 1,521,859 km (0.086 R)
• M5: 2,383,543 km (0.086 R)
• M6: 2,791,047 km (0.029 R)
• M7: 3,421,752 km (0.064 R)
• M8: 3,913,929 km (0.115 R)
• M9: 4,354,345 km (0.046 R)
• M10: 4,827,972 km (0.098 R)
• M11: 5,373,705 km (0.112 R)
• M12: 5,779,863 km (0.12 R)
• M13: 6,374,664 km (0.032 R)
• M14: 6,764,068 km (0.053 R)
• M15: 8,771,222 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.7

Radius: 8.7

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.45 AU - 2.81 AU

Year: 2754 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,493,786 km

• M1: 108,159 km (0.115 R)
• M2: 425,307 km (0.041 R)
• M3: 832,213 km (0.115 R)
• M4: 1,165,068 km (0.093 R)
• M5: 1,554,322 km (0.102 R)
• M6: 1,964,818 km (0.086 R)
• M7: 3,491,614 km (0.107 R)
• M8: 3,804,274 km (0.11 R)
• M9: 4,352,550 km (0.108 R)
• M10: 4,692,287 km (0.113 R)
• M11: 5,374,004 km (0.044 R)
• M12: 5,954,743 km (0.104 R)
• M13: 7,335,083 km (0.119 R)
• M14: 7,817,386 km (0.068 R)
• M15: 8,150,541 km (0.071 R)
• M16: 8,562,982 km (0.09 R)
• M17: 10,512,841 km (0.112 R)
• M18: 11,981,293 km (0.106 R)
• M19: 13,581,691 km (0.047 R)
• M20: 13,966,607 km (0.106 R)
• M21: 15,062,860 km (0.12 R)
• M22: 16,161,656 km (0.072 R)
• M23: 17,034,261 km (0.115 R)
• M24: 20,461,249 km (0.111 R)
• M25: 22,004,800 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.9

Radius: 8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.62 AU - 5.94 AU

Year: 8972 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,493,786 km

• M1: 99,931 km (0.086 R)
• M2: 431,889 km (0.095 R)
• M3: 972,087 km (0.091 R)
• M4: 1,456,485 km (0.04 R)
• M5: 3,796,345 km (0.118 R)
• M6: 7,046,209 km (0.049 R)
• M7: 12,726,889 km (0.105 R)
• M8: 13,654,246 km (0.112 R)
• M9: 20,530,213 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.7

Radius: 5.6

Gravity: 29.2 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.19 AU - 7.87 AU

Year: 10774 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,493,786 km

• M1: 102,475 km (0.111 R)
• M2: 305,329 km (0.11 R)
• M3: 684,261 km (0.11 R)
• M4: 1,352,664 km (0.074 R)
• M5: 1,785,600 km (0.082 R)
• M6: 2,134,762 km (0.108 R)
• M7: 2,633,970 km (0.064 R)
• M8: 3,134,973 km (0.106 R)
• M9: 4,888,110 km (0.115 R)
• M10: 6,353,571 km (0.104 R)
• M11: 8,652,292 km (0.048 R)
• M12: 10,333,772 km (0.082 R)
• M13: 10,995,743 km (0.109 R)
• M14: 12,282,284 km (0.082 R)
• M15: 13,862,337 km (0.1 R)
• M16: 14,060,704 km (0.098 R)
• M17: 15,290,548 km (0.053 R)
• M18: 15,859,469 km (0.089 R)
• M19: 20,756,555 km (0.09 R)
• M20: 23,451,710 km (0.079 R)
• M21: 28,982,194 km (0.112 R)
• M22: 30,073,062 km (0.069 R)
• M23: 31,418,096 km (0.09 R)
• M24: 40,608,641 km (0.078 R)
• M25: 42,527,982 km (0.081 R)
• M26: 47,739,074 km (0.07 R)
• M27: 48,647,133 km (0.115 R)
• M28: 49,258,839 km (0.095 R)
• M29: 51,282,150 km (0.067 R)
• M30: 52,714,998 km (0.069 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 10,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit