🌌 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: 875.9

Radius: 12.9

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.67 AU - 0.95 AU

Year: 478 Days

Day: 9.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,631,936 km

• M1: 160,369 km (0.112 R)
• M2: 601,832 km (0.045 R)
• M3: 1,292,526 km (0.107 R)
• M4: 1,931,757 km (0.052 R)
• M5: 2,506,064 km (0.09 R)
• M6: 3,312,695 km (0.058 R)
• M7: 3,811,006 km (0.059 R)
• M8: 4,242,446 km (0.115 R)
• M9: 4,645,014 km (0.064 R)
• M10: 5,188,353 km (0.066 R)
• M11: 5,972,545 km (0.067 R)
• M12: 6,577,370 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.5

Radius: 12

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.01 AU - 1.69 AU

Year: 1029 Days

Day: 9.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,631,936 km

• M1: 149,747 km (0.065 R)
• M2: 675,584 km (0.092 R)
• M3: 1,114,205 km (0.11 R)
• M4: 1,853,368 km (0.118 R)
• M5: 2,329,089 km (0.063 R)
• M6: 2,817,377 km (0.118 R)
• M7: 4,268,925 km (0.1 R)
• M8: 5,387,169 km (0.085 R)
• M9: 5,976,884 km (0.077 R)
• M10: 6,406,828 km (0.039 R)
• M11: 7,069,397 km (0.095 R)
• M12: 7,618,421 km (0.095 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.5

Radius: 4.7

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.85 AU - 7.75 AU

Year: 12939 Days

Day: 23 Hours

Environment

Temp: -222 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,631,936 km

• M1: 68,516 km (0.095 R)
• M2: 616,642 km (0.114 R)
• M3: 1,545,496 km (0.03 R)
• M4: 1,966,614 km (0.095 R)
• M5: 2,186,672 km (0.032 R)
• M6: 2,840,415 km (0.108 R)
• M7: 8,535,157 km (0.108 R)
• M8: 9,637,544 km (0.103 R)
• M9: 11,197,550 km (0.118 R)
• M10: 12,860,331 km (0.098 R)
• M11: 13,211,586 km (0.09 R)
• M12: 16,666,250 km (0.102 R)
• M13: 19,276,434 km (0.106 R)
• M14: 19,813,789 km (0.048 R)
• M15: 23,422,389 km (0.106 R)
• M16: 26,966,811 km (0.032 R)
• M17: 32,334,084 km (0.103 R)
• M18: 36,826,358 km (0.115 R)
• M19: 37,891,495 km (0.035 R)
• M20: 42,874,451 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.1

Radius: 4.7

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.09 AU - 13.11 AU

Year: 22640 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,631,936 km

• M1: 76,145 km (0.098 R)
• M2: 487,539 km (0.114 R)
• M3: 837,299 km (0.111 R)
• M4: 1,091,466 km (0.033 R)
• M5: 1,639,144 km (0.067 R)
• M6: 2,231,252 km (0.091 R)
• M7: 3,279,634 km (0.036 R)
• M8: 3,463,789 km (0.113 R)
• M9: 5,521,059 km (0.099 R)
• M10: 5,744,409 km (0.08 R)
• M11: 6,410,418 km (0.103 R)
• M12: 6,825,552 km (0.105 R)
• M13: 8,816,401 km (0.118 R)
• M14: 11,825,263 km (0.115 R)
• M15: 12,963,254 km (0.032 R)
• M16: 22,376,849 km (0.091 R)
• M17: 30,763,755 km (0.056 R)
• M18: 32,178,951 km (0.068 R)
• M19: 34,758,766 km (0.074 R)
• M20: 35,265,304 km (0.067 R)
• M21: 43,465,811 km (0.108 R)
• M22: 54,364,614 km (0.09 R)
• M23: 55,047,080 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 13,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit