🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.55 AU - 0.55 AU

Year: 259 Days

Day: 43.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.3

Radius: 13.1

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.01 AU - 4.73 AU

Year: 4841 Days

Day: 6.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,616,022 km

• M1: 165,006 km (0.068 R)
• M2: 885,470 km (0.058 R)
• M3: 1,707,510 km (0.077 R)
• M4: 2,200,285 km (0.098 R)
• M5: 2,806,306 km (0.025 R)
• M6: 3,652,582 km (0.045 R)
• M7: 4,533,264 km (0.117 R)
• M8: 6,850,386 km (0.099 R)
• M9: 7,302,321 km (0.048 R)
• M10: 8,304,926 km (0.095 R)
• M11: 10,000,318 km (0.114 R)
• M12: 10,813,383 km (0.099 R)
• M13: 11,767,967 km (0.093 R)
• M14: 12,316,542 km (0.054 R)
• M15: 15,555,935 km (0.109 R)
• M16: 18,983,970 km (0.09 R)
• M17: 19,531,498 km (0.044 R)
• M18: 20,301,478 km (0.115 R)
• M19: 21,605,074 km (0.045 R)
• M20: 24,700,703 km (0.12 R)
• M21: 25,189,140 km (0.103 R)
• M22: 31,757,683 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.5

Radius: 11

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.77 AU - 6.09 AU

Year: 6960 Days

Day: 9.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,616,022 km

• M1: 136,732 km (0.073 R)
• M2: 590,762 km (0.073 R)
• M3: 1,154,447 km (0.083 R)
• M4: 1,966,314 km (0.034 R)
• M5: 2,350,183 km (0.067 R)
• M6: 3,816,391 km (0.06 R)
• M7: 4,212,078 km (0.108 R)
• M8: 4,635,140 km (0.119 R)
• M9: 6,311,235 km (0.09 R)
• M10: 7,193,713 km (0.1 R)
• M11: 8,732,028 km (0.104 R)
• M12: 9,334,458 km (0.116 R)
• M13: 9,736,278 km (0.114 R)
• M14: 14,122,488 km (0.048 R)
• M15: 14,892,618 km (0.101 R)
• M16: 16,711,728 km (0.072 R)
• M17: 17,776,416 km (0.093 R)
• M18: 18,885,834 km (0.044 R)
• M19: 19,893,824 km (0.042 R)
• M20: 22,810,683 km (0.045 R)
• M21: 23,377,510 km (0.028 R)
• M22: 24,203,589 km (0.107 R)
• M23: 26,798,663 km (0.112 R)
• M24: 30,833,767 km (0.103 R)
• M25: 32,230,412 km (0.07 R)
• M26: 33,357,034 km (0.079 R)
• M27: 33,982,503 km (0.084 R)
• M28: 37,227,879 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.8

Radius: 7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.28 AU - 7.4 AU

Year: 12644 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,616,022 km

• M1: 87,814 km (0.097 R)
• M2: 384,467 km (0.119 R)
• M3: 623,674 km (0.092 R)
• M4: 1,125,126 km (0.09 R)
• M5: 1,955,992 km (0.038 R)
• M6: 3,657,818 km (0.114 R)
• M7: 4,534,760 km (0.103 R)
• M8: 6,134,410 km (0.062 R)
• M9: 9,465,955 km (0.092 R)
• M10: 10,398,847 km (0.097 R)
• M11: 17,318,347 km (0.084 R)
• M12: 22,242,211 km (0.076 R)
• M13: 26,537,615 km (0.114 R)
• M14: 27,143,337 km (0.079 R)
• M15: 27,758,334 km (0.085 R)
• M16: 29,015,853 km (0.058 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 15,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit