🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 12

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 6.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,494,725 km

• M1: 149,747 km (0.054 R)
• M2: 563,834 km (0.05 R)
• M3: 1,108,371 km (0.105 R)
• M4: 1,594,115 km (0.072 R)
• M5: 1,979,778 km (0.111 R)
• M6: 2,419,746 km (0.118 R)
• M7: 2,935,409 km (0.117 R)
• M8: 3,319,128 km (0.112 R)
• M9: 3,846,460 km (0.058 R)
• M10: 4,402,217 km (0.079 R)
• M11: 5,145,269 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.9

Radius: 15

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.74 AU - 0.84 AU

Year: 476 Days

Day: 8.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,494,725 km

• M1: 186,698 km (0.066 R)
• M2: 710,291 km (0.096 R)
• M3: 1,271,283 km (0.106 R)
• M4: 1,743,264 km (0.112 R)
• M5: 2,405,235 km (0.068 R)
• M6: 3,103,557 km (0.051 R)
• M7: 3,872,490 km (0.111 R)
• M8: 4,638,282 km (0.062 R)
• M9: 5,316,110 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 14.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.69 AU - 2.23 AU

Year: 1861 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,494,725 km

• M1: 179,368 km (0.097 R)
• M2: 744,997 km (0.114 R)
• M3: 1,626,428 km (0.037 R)
• M4: 2,204,025 km (0.094 R)
• M5: 2,740,483 km (0.098 R)
• M6: 3,692,524 km (0.119 R)
• M7: 4,920,723 km (0.113 R)
• M8: 6,046,896 km (0.08 R)
• M9: 8,613,696 km (0.09 R)
• M10: 10,138,696 km (0.039 R)
• M11: 11,212,959 km (0.09 R)
• M12: 11,997,001 km (0.082 R)
• M13: 12,526,129 km (0.101 R)
• M14: 15,889,388 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 8.1

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2 AU - 2.5 AU

Year: 2289 Days

Day: 13 Hours

Environment

Temp: -210 °C

Axial Tilt: 142.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,494,725 km

• M1: 101,876 km (0.091 R)
• M2: 403,615 km (0.098 R)
• M3: 705,354 km (0.117 R)
• M4: 987,496 km (0.08 R)
• M5: 1,908,121 km (0.079 R)
• M6: 2,206,868 km (0.101 R)
• M7: 3,377,022 km (0.104 R)
• M8: 4,256,807 km (0.099 R)
• M9: 4,811,965 km (0.055 R)
• M10: 8,277,549 km (0.108 R)
• M11: 8,826,574 km (0.072 R)
• M12: 9,110,062 km (0.112 R)
• M13: 10,655,258 km (0.087 R)
• M14: 12,096,035 km (0.044 R)
• M15: 13,537,261 km (0.063 R)
• M16: 13,872,510 km (0.105 R)
• M17: 14,734,792 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.3

Radius: 8

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.55 AU - 6.43 AU

Year: 9943 Days

Day: 16 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,494,725 km

• M1: 99,483 km (0.098 R)
• M2: 375,790 km (0.105 R)
• M3: 644,318 km (0.078 R)
• M4: 941,270 km (0.094 R)
• M5: 1,722,171 km (0.109 R)
• M6: 2,024,807 km (0.12 R)
• M7: 3,538,139 km (0.073 R)
• M8: 4,031,064 km (0.073 R)
• M9: 5,787,493 km (0.069 R)
• M10: 6,507,657 km (0.118 R)
• M11: 7,838,779 km (0.056 R)
• M12: 8,208,585 km (0.068 R)
• M13: 8,719,761 km (0.046 R)
• M14: 9,711,595 km (0.083 R)
• M15: 10,186,717 km (0.119 R)
• M16: 12,079,878 km (0.114 R)
• M17: 12,352,595 km (0.085 R)
• M18: 14,136,101 km (0.07 R)
• M19: 14,439,037 km (0.083 R)
• M20: 17,922,274 km (0.111 R)
• M21: 18,348,777 km (0.1 R)
• M22: 25,054,203 km (0.069 R)
• M23: 30,031,773 km (0.062 R)
• M24: 31,965,624 km (0.086 R)
• M25: 34,415,888 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140

Radius: 5.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.83 AU - 7.01 AU

Year: 12347 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,494,725 km

• M1: 70,909 km (0.077 R)
• M2: 303,983 km (0.061 R)
• M3: 1,027,438 km (0.03 R)
• M4: 1,236,127 km (0.101 R)
• M5: 1,964,818 km (0.065 R)
• M6: 2,240,827 km (0.097 R)
• M7: 2,438,894 km (0.108 R)
• M8: 3,206,331 km (0.077 R)
• M9: 4,221,951 km (0.041 R)
• M10: 6,528,900 km (0.066 R)
• M11: 6,969,914 km (0.079 R)
• M12: 7,179,950 km (0.066 R)
• M13: 8,063,026 km (0.119 R)
• M14: 11,577,978 km (0.083 R)
• M15: 12,478,108 km (0.1 R)
• M16: 16,178,860 km (0.032 R)
• M17: 17,688,003 km (0.094 R)
• M18: 20,053,595 km (0.12 R)
• M19: 22,698,335 km (0.05 R)
• M20: 23,865,797 km (0.077 R)
• M21: 26,659,238 km (0.061 R)
• M22: 29,480,654 km (0.085 R)
• M23: 30,123,177 km (0.07 R)
• M24: 31,436,497 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 12,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit