🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 12.5

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.46 AU - 0.74 AU

Year: 310 Days

Day: 5 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,380,315 km

• M1: 155,582 km (0.107 R)
• M2: 550,520 km (0.088 R)
• M3: 946,655 km (0.071 R)
• M4: 1,397,992 km (0.108 R)
• M5: 1,994,738 km (0.07 R)
• M6: 2,568,446 km (0.072 R)
• M7: 3,611,592 km (0.12 R)
• M8: 4,152,388 km (0.078 R)
• M9: 4,904,417 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.7

Radius: 8.1

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.69 AU - 0.81 AU

Year: 433 Days

Day: 9.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,380,315 km

• M1: 100,829 km (0.104 R)
• M2: 375,491 km (0.104 R)
• M3: 656,286 km (0.059 R)
• M4: 921,074 km (0.115 R)
• M5: 1,211,743 km (0.079 R)
• M6: 1,543,252 km (0.106 R)
• M7: 1,910,365 km (0.079 R)
• M8: 2,261,770 km (0.045 R)
• M9: 2,575,477 km (0.106 R)
• M10: 3,151,878 km (0.107 R)
• M11: 3,632,087 km (0.113 R)
• M12: 4,105,265 km (0.057 R)
• M13: 4,443,206 km (0.112 R)
• M14: 4,937,927 km (0.087 R)
• M15: 5,536,019 km (0.044 R)
• M16: 5,931,406 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.7

Radius: 10.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.68 AU - 0.86 AU

Year: 451 Days

Day: 5.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,380,315 km

• M1: 129,402 km (0.12 R)
• M2: 464,501 km (0.063 R)
• M3: 950,545 km (0.033 R)
• M4: 1,620,893 km (0.076 R)
• M5: 1,983,668 km (0.093 R)
• M6: 2,477,640 km (0.113 R)
• M7: 2,819,920 km (0.093 R)
• M8: 3,276,792 km (0.085 R)
• M9: 3,668,439 km (0.091 R)
• M10: 4,252,020 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242

Radius: 12.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.07 AU - 1.31 AU

Year: 866 Days

Day: 14.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,380,315 km

• M1: 157,975 km (0.108 R)
• M2: 739,911 km (0.073 R)
• M3: 1,149,211 km (0.11 R)
• M4: 1,671,008 km (0.097 R)
• M5: 2,070,135 km (0.107 R)
• M6: 3,472,167 km (0.102 R)
• M7: 4,987,743 km (0.091 R)
• M8: 5,534,373 km (0.103 R)
• M9: 6,362,846 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 8.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.55 AU - 1.95 AU

Year: 1544 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,380,315 km

• M1: 111,899 km (0.062 R)
• M2: 396,734 km (0.096 R)
• M3: 745,745 km (0.062 R)
• M4: 1,316,611 km (0.064 R)
• M5: 1,643,931 km (0.035 R)
• M6: 2,443,681 km (0.109 R)
• M7: 3,641,212 km (0.081 R)
• M8: 4,825,728 km (0.104 R)
• M9: 5,535,570 km (0.026 R)
• M10: 6,399,348 km (0.098 R)
• M11: 7,138,960 km (0.115 R)
• M12: 8,895,089 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 9.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.76 AU - 4.94 AU

Year: 7123 Days

Day: 8.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,380,315 km

• M1: 119,080 km (0.115 R)
• M2: 1,365,529 km (0.104 R)
• M3: 1,899,145 km (0.119 R)
• M4: 3,215,606 km (0.104 R)
• M5: 3,840,028 km (0.062 R)
• M6: 5,707,458 km (0.047 R)
• M7: 6,920,846 km (0.118 R)
• M8: 9,368,716 km (0.07 R)
• M9: 12,180,558 km (0.099 R)
• M10: 16,331,450 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.7

Radius: 7.6

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.77 AU - 8.24 AU

Year: 13697 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 100.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,380,315 km

• M1: 94,546 km (0.092 R)
• M2: 351,555 km (0.092 R)
• M3: 785,389 km (0.081 R)
• M4: 1,374,056 km (0.11 R)
• M5: 1,814,173 km (0.118 R)
• M6: 2,132,518 km (0.074 R)
• M7: 2,702,186 km (0.093 R)
• M8: 3,369,094 km (0.108 R)
• M9: 4,141,168 km (0.117 R)
• M10: 5,370,414 km (0.073 R)
• M11: 6,380,648 km (0.109 R)
• M12: 7,336,579 km (0.077 R)
• M13: 7,601,068 km (0.029 R)
• M14: 8,009,470 km (0.093 R)
• M15: 8,337,389 km (0.102 R)
• M16: 12,004,481 km (0.113 R)
• M17: 12,621,423 km (0.117 R)
• M18: 13,065,728 km (0.098 R)
• M19: 16,249,470 km (0.119 R)
• M20: 16,775,456 km (0.112 R)
• M21: 18,828,687 km (0.116 R)
• M22: 19,492,752 km (0.095 R)
• M23: 20,000,936 km (0.052 R)
• M24: 24,585,662 km (0.067 R)
• M25: 28,614,034 km (0.112 R)
• M26: 29,380,723 km (0.072 R)
• M27: 31,996,890 km (0.118 R)
• M28: 34,517,465 km (0.115 R)
• M29: 40,495,545 km (0.117 R)
• M30: 47,280,257 km (0.083 R)
• M31: 49,595,434 km (0.061 R)
• M32: 55,966,359 km (0.064 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: 221 - 17,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit