🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.3

Radius: 12.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.62 AU - 1.04 AU

Year: 513 Days

Day: 9.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,546,519 km

• M1: 160,967 km (0.109 R)
• M2: 692,489 km (0.101 R)
• M3: 1,233,135 km (0.106 R)
• M4: 1,687,165 km (0.093 R)
• M5: 2,181,586 km (0.115 R)
• M6: 2,772,647 km (0.106 R)
• M7: 3,468,576 km (0.074 R)
• M8: 4,081,778 km (0.118 R)
• M9: 5,080,194 km (0.109 R)
• M10: 5,560,254 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 9.6

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.31 AU - 1.41 AU

Year: 1076 Days

Day: 5.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,546,519 km

• M1: 119,678 km (0.099 R)
• M2: 452,833 km (0.107 R)
• M3: 757,115 km (0.096 R)
• M4: 1,104,631 km (0.09 R)
• M5: 1,894,507 km (0.079 R)
• M6: 2,825,455 km (0.069 R)
• M7: 3,242,833 km (0.051 R)
• M8: 3,763,284 km (0.12 R)
• M9: 4,101,674 km (0.098 R)
• M10: 4,407,901 km (0.077 R)
• M11: 4,858,640 km (0.052 R)
• M12: 5,202,116 km (0.075 R)
• M13: 6,602,502 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.5

Radius: 10.7

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.62 AU - 4.98 AU

Year: 7133 Days

Day: 10.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,546,519 km

• M1: 135,386 km (0.037 R)
• M2: 486,193 km (0.098 R)
• M3: 1,272,031 km (0.097 R)
• M4: 1,983,369 km (0.064 R)
• M5: 2,622,151 km (0.115 R)
• M6: 3,071,244 km (0.088 R)
• M7: 5,051,920 km (0.093 R)
• M8: 5,430,104 km (0.114 R)
• M9: 6,792,192 km (0.044 R)
• M10: 7,954,418 km (0.117 R)
• M11: 16,169,884 km (0.03 R)
• M12: 18,840,655 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.1

Radius: 4.8

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.89 AU - 8.33 AU

Year: 12859 Days

Day: 21.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 34,546,519 km

• M1: 70,610 km (0.1 R)
• M2: 223,200 km (0.112 R)
• M3: 548,426 km (0.083 R)
• M4: 738,565 km (0.116 R)
• M5: 990,787 km (0.07 R)
• M6: 1,641,986 km (0.086 R)
• M7: 1,907,522 km (0.118 R)
• M8: 3,265,572 km (0.1 R)
• M9: 3,921,559 km (0.104 R)
• M10: 4,965,004 km (0.075 R)
• M11: 5,581,197 km (0.073 R)
• M12: 6,051,533 km (0.109 R)
• M13: 7,035,139 km (0.049 R)
• M14: 7,546,165 km (0.112 R)
• M15: 8,318,689 km (0.072 R)
• M16: 8,479,357 km (0.08 R)
• M17: 8,931,741 km (0.112 R)
• M18: 9,750,939 km (0.085 R)
• M19: 10,201,528 km (0.092 R)
• M20: 11,339,668 km (0.093 R)
• M21: 13,039,399 km (0.057 R)
• M22: 14,492,743 km (0.045 R)
• M23: 17,519,107 km (0.048 R)
• M24: 17,983,160 km (0.034 R)
• M25: 19,144,339 km (0.051 R)
• M26: 21,690,644 km (0.097 R)
• M27: 23,005,161 km (0.102 R)
• M28: 24,208,376 km (0.078 R)
• M29: 25,116,884 km (0.084 R)
• M30: 28,521,432 km (0.088 R)
• M31: 30,858,301 km (0.1 R)
• M32: 31,050,684 km (0.054 R)
• M33: 31,730,008 km (0.05 R)
• M34: 32,320,171 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 18,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit