🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.4

Radius: 9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.48 AU - 0.78 AU

Year: 339 Days

Day: 13.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,545,860 km

• M1: 111,899 km (0.115 R)
• M2: 444,455 km (0.095 R)
• M3: 747,690 km (0.08 R)
• M4: 1,092,663 km (0.118 R)
• M5: 1,598,752 km (0.056 R)
• M6: 1,996,533 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671

Radius: 11.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.88 AU - 0.9 AU

Year: 569 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 168.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,545,860 km

• M1: 146,756 km (0.068 R)
• M2: 578,495 km (0.098 R)
• M3: 958,474 km (0.063 R)
• M4: 1,607,429 km (0.117 R)
• M5: 1,980,975 km (0.106 R)
• M6: 2,393,716 km (0.104 R)
• M7: 2,908,781 km (0.109 R)
• M8: 3,626,552 km (0.088 R)
• M9: 4,705,751 km (0.048 R)
• M10: 5,732,291 km (0.113 R)
• M11: 6,443,779 km (0.102 R)
• M12: 6,943,286 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.4

Radius: 14

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.03 AU - 1.05 AU

Year: 719 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,545,860 km

• M1: 174,282 km (0.094 R)
• M2: 755,170 km (0.057 R)
• M3: 1,231,490 km (0.082 R)
• M4: 1,685,519 km (0.119 R)
• M5: 2,244,118 km (0.107 R)
• M6: 3,673,825 km (0.096 R)
• M7: 4,175,875 km (0.108 R)
• M8: 5,161,426 km (0.088 R)
• M9: 6,237,483 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 9.9

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.01 AU - 4.55 AU

Year: 4985 Days

Day: 13.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,545,860 km

• M1: 161,715 km (0.056 R)
• M2: 477,666 km (0.05 R)
• M3: 1,176,138 km (0.117 R)
• M4: 1,895,255 km (0.05 R)
• M5: 2,959,195 km (0.116 R)
• M6: 4,042,134 km (0.063 R)
• M7: 5,285,442 km (0.101 R)
• M8: 6,970,214 km (0.105 R)
• M9: 7,567,857 km (0.074 R)
• M10: 9,652,204 km (0.083 R)
• M11: 12,956,372 km (0.041 R)
• M12: 14,635,309 km (0.049 R)
• M13: 15,264,668 km (0.081 R)
• M14: 18,951,806 km (0.096 R)
• M15: 20,115,378 km (0.07 R)
• M16: 20,893,287 km (0.085 R)
• M17: 26,741,367 km (0.081 R)
• M18: 27,166,076 km (0.116 R)
• M19: 31,007,001 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.6

Radius: 11.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.41 AU - 5.07 AU

Year: 6999 Days

Day: 9.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,545,860 km

• M1: 145,409 km (0.088 R)
• M2: 612,753 km (0.087 R)
• M3: 1,345,483 km (0.096 R)
• M4: 1,862,344 km (0.119 R)
• M5: 2,581,910 km (0.067 R)
• M6: 3,068,402 km (0.034 R)
• M7: 3,546,666 km (0.116 R)
• M8: 4,024,332 km (0.078 R)
• M9: 4,517,556 km (0.055 R)
• M10: 6,311,983 km (0.093 R)
• M11: 6,728,463 km (0.087 R)
• M12: 7,275,094 km (0.093 R)
• M13: 8,374,489 km (0.045 R)
• M14: 9,137,737 km (0.085 R)
• M15: 9,536,565 km (0.109 R)
• M16: 13,956,135 km (0.049 R)
• M17: 14,725,517 km (0.093 R)
• M18: 15,336,475 km (0.11 R)
• M19: 15,900,758 km (0.06 R)
• M20: 20,320,627 km (0.068 R)
• M21: 20,925,152 km (0.102 R)
• M22: 22,569,232 km (0.068 R)
• M23: 24,045,614 km (0.084 R)
• M24: 32,201,241 km (0.111 R)
• M25: 32,816,387 km (0.072 R)
• M26: 34,816,361 km (0.066 R)
• M27: 37,796,201 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.3

Radius: 7.8

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.21 AU - 9.33 AU

Year: 14690 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,545,860 km

• M1: 96,939 km (0.115 R)
• M2: 476,619 km (0.106 R)
• M3: 730,935 km (0.06 R)
• M4: 1,116,000 km (0.065 R)
• M5: 1,536,071 km (0.113 R)
• M6: 2,156,005 km (0.083 R)
• M7: 3,082,315 km (0.112 R)
• M8: 3,620,717 km (0.06 R)
• M9: 4,095,242 km (0.039 R)
• M10: 6,979,189 km (0.099 R)
• M11: 8,051,806 km (0.039 R)
• M12: 8,298,792 km (0.113 R)
• M13: 8,860,083 km (0.06 R)
• M14: 10,287,397 km (0.102 R)
• M15: 12,706,694 km (0.076 R)
• M16: 14,956,047 km (0.096 R)
• M17: 25,751,927 km (0.094 R)
• M18: 35,937,298 km (0.107 R)
• M19: 39,518,821 km (0.102 R)
• M20: 42,430,594 km (0.112 R)
• M21: 45,482,390 km (0.079 R)
• M22: 49,169,230 km (0.092 R)
• M23: 54,623,269 km (0.08 R)
• M24: 55,510,235 km (0.061 R)
• M25: 58,045,171 km (0.083 R)
• M26: 59,714,832 km (0.088 R)
• M27: 60,090,174 km (0.07 R)
• M28: 61,416,359 km (0.083 R)
• M29: 62,568,412 km (0.105 R)
• M30: 68,135,996 km (0.094 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: 244 - 20,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit