🌌 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: 418.8

Radius: 14.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.7 AU - 0.92 AU

Year: 471 Days

Day: 7.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,918,666 km

• M1: 181,612 km (0.106 R)
• M2: 881,131 km (0.109 R)
• M3: 1,499,270 km (0.055 R)
• M4: 1,961,078 km (0.1 R)
• M5: 3,282,925 km (0.092 R)
• M6: 3,829,107 km (0.081 R)
• M7: 4,435,876 km (0.071 R)
• M8: 4,928,951 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 9.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.77 AU - 0.91 AU

Year: 497 Days

Day: 7.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,918,666 km

• M1: 117,135 km (0.046 R)
• M2: 697,874 km (0.103 R)
• M3: 1,007,392 km (0.107 R)
• M4: 1,399,189 km (0.115 R)
• M5: 1,920,687 km (0.068 R)
• M6: 2,384,740 km (0.113 R)
• M7: 2,694,407 km (0.104 R)
• M8: 3,872,191 km (0.117 R)
• M9: 4,366,762 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.4

Radius: 10.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.82 AU - 2.02 AU

Year: 1718 Days

Day: 5.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,918,666 km

• M1: 125,662 km (0.113 R)
• M2: 488,138 km (0.104 R)
• M3: 818,151 km (0.071 R)
• M4: 1,386,174 km (0.102 R)
• M5: 1,800,410 km (0.063 R)
• M6: 2,394,164 km (0.109 R)
• M7: 2,982,084 km (0.104 R)
• M8: 4,427,199 km (0.096 R)
• M9: 5,984,962 km (0.063 R)
• M10: 6,389,175 km (0.049 R)
• M11: 6,990,858 km (0.106 R)
• M12: 8,482,947 km (0.102 R)
• M13: 9,024,641 km (0.065 R)
• M14: 11,936,713 km (0.116 R)
• M15: 12,425,749 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.2

Radius: 7.3

Gravity: 18.66 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.52 AU - 7.2 AU

Year: 11601 Days

Day: 16.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,918,666 km

• M1: 94,845 km (0.096 R)
• M2: 395,238 km (0.088 R)
• M3: 727,794 km (0.109 R)
• M4: 1,025,643 km (0.081 R)
• M5: 1,255,276 km (0.066 R)
• M6: 1,505,104 km (0.059 R)
• M7: 2,069,687 km (0.119 R)
• M8: 2,858,965 km (0.111 R)
• M9: 3,425,791 km (0.079 R)
• M10: 3,722,294 km (0.059 R)
• M11: 4,305,427 km (0.076 R)
• M12: 6,958,545 km (0.112 R)
• M13: 8,551,762 km (0.066 R)
• M14: 12,566,520 km (0.084 R)
• M15: 13,013,668 km (0.1 R)
• M16: 13,471,139 km (0.118 R)
• M17: 15,337,372 km (0.089 R)
• M18: 15,995,902 km (0.108 R)
• M19: 16,903,063 km (0.064 R)
• M20: 18,737,133 km (0.101 R)
• M21: 19,916,114 km (0.095 R)
• M22: 22,328,529 km (0.108 R)
• M23: 25,533,065 km (0.12 R)
• M24: 31,650,870 km (0.103 R)
• M25: 34,176,082 km (0.068 R)
• M26: 35,424,477 km (0.101 R)
• M27: 40,861,761 km (0.089 R)
• M28: 41,983,894 km (0.048 R)
• M29: 43,415,247 km (0.05 R)
• M30: 48,369,180 km (0.041 R)
• M31: 49,308,655 km (0.072 R)
• M32: 52,036,423 km (0.09 R)
• M33: 56,572,828 km (0.108 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 10,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit