🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.8

Radius: 11.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.4 AU - 0.66 AU

Year: 266 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 92,329,309 km

• M1: 146,756 km (0.07 R)
• M2: 698,921 km (0.073 R)
• M3: 1,521,859 km (0.104 R)
• M4: 2,338,664 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.5

Radius: 13.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.52 AU - 0.72 AU

Year: 337 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,329,309 km

• M1: 172,935 km (0.034 R)
• M2: 703,708 km (0.067 R)
• M3: 1,212,341 km (0.112 R)
• M4: 1,701,227 km (0.091 R)
• M5: 2,248,157 km (0.066 R)
• M6: 2,717,894 km (0.065 R)
• M7: 3,406,792 km (0.075 R)
• M8: 4,419,570 km (0.075 R)
• M9: 4,860,435 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.4

Radius: 10.8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.82 AU - 0.92 AU

Year: 560 Days

Day: 8.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,329,309 km

• M1: 134,638 km (0.103 R)
• M2: 554,559 km (0.074 R)
• M3: 1,289,982 km (0.1 R)
• M4: 1,701,526 km (0.094 R)
• M5: 2,118,605 km (0.116 R)
• M6: 2,541,817 km (0.086 R)
• M7: 3,021,279 km (0.113 R)
• M8: 3,867,255 km (0.082 R)
• M9: 4,945,257 km (0.074 R)
• M10: 6,193,950 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.1

Radius: 10.4

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.87 AU - 1.45 AU

Year: 862 Days

Day: 8.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,329,309 km

• M1: 130,001 km (0.076 R)
• M2: 459,864 km (0.118 R)
• M3: 828,473 km (0.069 R)
• M4: 1,358,648 km (0.1 R)
• M5: 1,801,009 km (0.104 R)
• M6: 2,703,533 km (0.085 R)
• M7: 3,370,590 km (0.105 R)
• M8: 3,898,670 km (0.109 R)
• M9: 4,481,204 km (0.102 R)
• M10: 6,647,082 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 10.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.83 AU - 2.29 AU

Year: 2041 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,329,309 km

• M1: 135,536 km (0.072 R)
• M2: 532,120 km (0.035 R)
• M3: 1,560,007 km (0.074 R)
• M4: 2,032,437 km (0.112 R)
• M5: 2,688,423 km (0.093 R)
• M6: 3,347,252 km (0.094 R)
• M7: 5,108,468 km (0.039 R)
• M8: 5,674,098 km (0.077 R)
• M9: 6,909,028 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.7

Radius: 7

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.65 AU - 6.69 AU

Year: 10579 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 92,329,309 km

• M1: 87,515 km (0.087 R)
• M2: 597,643 km (0.054 R)
• M3: 905,217 km (0.117 R)
• M4: 1,376,151 km (0.039 R)
• M5: 1,759,421 km (0.086 R)
• M6: 2,367,386 km (0.05 R)
• M7: 2,662,094 km (0.092 R)
• M8: 3,215,008 km (0.049 R)
• M9: 4,119,776 km (0.097 R)
• M10: 4,744,048 km (0.098 R)
• M11: 5,034,417 km (0.062 R)
• M12: 5,275,270 km (0.078 R)
• M13: 5,911,061 km (0.116 R)
• M14: 6,282,063 km (0.107 R)
• M15: 6,668,475 km (0.098 R)
• M16: 7,923,152 km (0.044 R)
• M17: 9,600,144 km (0.093 R)
• M18: 10,113,115 km (0.08 R)
• M19: 11,092,084 km (0.093 R)
• M20: 13,180,620 km (0.051 R)
• M21: 13,697,480 km (0.103 R)
• M22: 14,227,655 km (0.091 R)
• M23: 16,420,461 km (0.072 R)
• M24: 20,763,736 km (0.076 R)
• M25: 26,262,953 km (0.105 R)
• M26: 29,345,118 km (0.09 R)
• M27: 31,325,794 km (0.088 R)
• M28: 33,078,034 km (0.103 R)
• M29: 37,002,435 km (0.096 R)
• M30: 38,959,175 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.1

Radius: 3.9

Gravity: 63.85 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.65 AU - 11.73 AU

Year: 22453 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,329,309 km

• M1: 48,619 km (0.091 R)
• M2: 178,171 km (0.07 R)
• M3: 526,285 km (0.12 R)
• M4: 1,670,410 km (0.073 R)
• M5: 2,345,994 km (0.074 R)
• M6: 2,515,189 km (0.05 R)
• M7: 2,988,068 km (0.069 R)
• M8: 3,394,974 km (0.076 R)
• M9: 4,073,251 km (0.034 R)
• M10: 4,389,950 km (0.057 R)
• M11: 4,993,128 km (0.11 R)
• M12: 6,178,691 km (0.098 R)
• M13: 7,802,576 km (0.117 R)
• M14: 8,513,764 km (0.118 R)
• M15: 9,752,136 km (0.1 R)
• M16: 10,641,495 km (0.061 R)
• M17: 18,904,833 km (0.08 R)
• M18: 27,064,200 km (0.092 R)
• M19: 31,027,346 km (0.075 R)
• M20: 39,448,510 km (0.088 R)
• M21: 40,717,698 km (0.036 R)
• M22: 44,347,840 km (0.078 R)
• M23: 59,981,416 km (0.099 R)
• M24: 61,657,660 km (0.108 R)
• M25: 62,507,525 km (0.108 R)
• M26: 62,721,151 km (0.072 R)
• M27: 75,721,206 km (0.103 R)
• M28: 92,329,263 km (0.113 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: 390 - 17,785 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit