🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.2

Radius: 11.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.71 AU - 0.91 AU

Year: 478 Days

Day: 11.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,163,373 km

• M1: 139,276 km (0.104 R)
• M2: 527,183 km (0.092 R)
• M3: 1,036,115 km (0.066 R)
• M4: 1,492,538 km (0.053 R)
• M5: 2,290,942 km (0.068 R)
• M6: 2,674,660 km (0.062 R)
• M7: 3,090,842 km (0.1 R)
• M8: 3,669,037 km (0.072 R)
• M9: 4,778,006 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925

Radius: 12.5

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.71 AU - 0.97 AU

Year: 505 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,163,373 km

• M1: 155,432 km (0.085 R)
• M2: 669,151 km (0.115 R)
• M3: 1,289,534 km (0.083 R)
• M4: 1,739,674 km (0.096 R)
• M5: 2,472,254 km (0.082 R)
• M6: 3,504,031 km (0.112 R)
• M7: 4,161,813 km (0.104 R)
• M8: 4,551,814 km (0.098 R)
• M9: 5,743,511 km (0.095 R)
• M10: 6,228,507 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.8

Radius: 8.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.82 AU - 0.94 AU

Year: 542 Days

Day: 15 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,163,373 km

• M1: 109,506 km (0.109 R)
• M2: 389,254 km (0.089 R)
• M3: 685,906 km (0.095 R)
• M4: 1,197,232 km (0.098 R)
• M5: 1,734,288 km (0.103 R)
• M6: 2,314,129 km (0.092 R)
• M7: 2,909,230 km (0.11 R)
• M8: 3,243,282 km (0.119 R)
• M9: 3,636,874 km (0.113 R)
• M10: 4,013,262 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.1

Radius: 8.5

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.85 AU - 1.03 AU

Year: 598 Days

Day: 8.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,163,373 km

• M1: 105,766 km (0.095 R)
• M2: 428,598 km (0.085 R)
• M3: 732,581 km (0.113 R)
• M4: 1,039,107 km (0.098 R)
• M5: 1,325,288 km (0.097 R)
• M6: 2,351,828 km (0.076 R)
• M7: 2,629,183 km (0.084 R)
• M8: 2,982,234 km (0.08 R)
• M9: 3,620,568 km (0.034 R)
• M10: 4,995,522 km (0.108 R)
• M11: 5,473,487 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 9.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.76 AU - 1.24 AU

Year: 656 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,163,373 km

• M1: 114,442 km (0.112 R)
• M2: 406,158 km (0.105 R)
• M3: 1,063,342 km (0.094 R)
• M4: 1,555,219 km (0.094 R)
• M5: 2,077,166 km (0.083 R)
• M6: 2,399,101 km (0.096 R)
• M7: 2,862,256 km (0.119 R)
• M8: 3,384,203 km (0.088 R)
• M9: 4,037,347 km (0.094 R)
• M10: 5,875,008 km (0.116 R)
• M11: 6,259,325 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 9.5

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.91 AU - 3.15 AU

Year: 2640 Days

Day: 11.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,163,373 km

• M1: 118,182 km (0.12 R)
• M2: 420,370 km (0.11 R)
• M3: 726,298 km (0.101 R)
• M4: 1,103,135 km (0.086 R)
• M5: 1,453,493 km (0.116 R)
• M6: 1,811,331 km (0.079 R)
• M7: 2,872,429 km (0.117 R)
• M8: 3,894,332 km (0.088 R)
• M9: 4,304,080 km (0.091 R)
• M10: 5,636,100 km (0.115 R)
• M11: 6,213,398 km (0.085 R)
• M12: 6,747,014 km (0.097 R)
• M13: 7,936,317 km (0.114 R)
• M14: 10,354,716 km (0.108 R)
• M15: 10,800,817 km (0.047 R)
• M16: 12,134,631 km (0.036 R)
• M17: 13,840,795 km (0.051 R)
• M18: 14,751,397 km (0.113 R)
• M19: 15,604,404 km (0.099 R)
• M20: 17,305,182 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.9

Radius: 8

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.06 AU - 4.18 AU

Year: 5486 Days

Day: 5.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,163,373 km

• M1: 99,483 km (0.037 R)
• M2: 383,419 km (0.062 R)
• M3: 702,960 km (0.092 R)
• M4: 1,246,150 km (0.094 R)
• M5: 1,583,344 km (0.089 R)
• M6: 1,906,026 km (0.088 R)
• M7: 2,272,541 km (0.07 R)
• M8: 2,669,724 km (0.058 R)
• M9: 3,217,701 km (0.118 R)
• M10: 3,490,567 km (0.03 R)
• M11: 3,759,095 km (0.057 R)
• M12: 4,381,722 km (0.048 R)
• M13: 5,467,353 km (0.097 R)
• M14: 7,574,888 km (0.038 R)
• M15: 8,159,666 km (0.067 R)
• M16: 10,172,506 km (0.084 R)
• M17: 12,274,655 km (0.088 R)
• M18: 14,998,982 km (0.118 R)
• M19: 15,712,414 km (0.076 R)
• M20: 16,501,692 km (0.118 R)
• M21: 20,537,693 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 18,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit