🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 11.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.85 AU - 1.13 AU

Year: 646 Days

Day: 6 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,311,874 km

• M1: 146,756 km (0.089 R)
• M2: 555,906 km (0.112 R)
• M3: 980,764 km (0.091 R)
• M4: 1,419,085 km (0.097 R)
• M5: 1,788,143 km (0.101 R)
• M6: 2,447,870 km (0.066 R)
• M7: 2,855,375 km (0.067 R)
• M8: 3,375,078 km (0.05 R)
• M9: 3,982,744 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 13.9

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.36 AU - 1.86 AU

Year: 1340 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,311,874 km

• M1: 172,935 km (0.08 R)
• M2: 786,137 km (0.114 R)
• M3: 1,281,306 km (0.084 R)
• M4: 1,833,322 km (0.072 R)
• M5: 2,467,318 km (0.048 R)
• M6: 2,992,855 km (0.102 R)
• M7: 3,495,653 km (0.104 R)
• M8: 4,347,464 km (0.046 R)
• M9: 5,247,744 km (0.117 R)
• M10: 5,686,365 km (0.106 R)
• M11: 6,197,092 km (0.029 R)
• M12: 7,311,297 km (0.09 R)
• M13: 7,860,171 km (0.066 R)
• M14: 9,071,914 km (0.054 R)
• M15: 9,837,107 km (0.115 R)
• M16: 14,031,831 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.2

Radius: 12.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.93 AU - 3.05 AU

Year: 2578 Days

Day: 14.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,311,874 km

• M1: 160,668 km (0.108 R)
• M2: 574,157 km (0.112 R)
• M3: 1,029,233 km (0.107 R)
• M4: 1,756,279 km (0.104 R)
• M5: 2,524,314 km (0.115 R)
• M6: 2,930,772 km (0.051 R)
• M7: 3,487,874 km (0.107 R)
• M8: 3,956,265 km (0.086 R)
• M9: 4,445,600 km (0.066 R)
• M10: 5,521,957 km (0.084 R)
• M11: 5,925,721 km (0.051 R)
• M12: 6,541,017 km (0.085 R)
• M13: 8,447,193 km (0.074 R)
• M14: 10,738,285 km (0.117 R)
• M15: 11,654,721 km (0.11 R)
• M16: 12,153,181 km (0.088 R)
• M17: 16,773,661 km (0.077 R)
• M18: 17,409,901 km (0.098 R)
• M19: 17,842,987 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.3

Radius: 4.7

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.38 AU - 8 AU

Year: 12647 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,311,874 km

• M1: 61,335 km (0.064 R)
• M2: 539,001 km (0.046 R)
• M3: 728,093 km (0.094 R)
• M4: 900,729 km (0.079 R)
• M5: 1,130,062 km (0.094 R)
• M6: 1,444,367 km (0.119 R)
• M7: 2,392,818 km (0.119 R)
• M8: 3,833,745 km (0.093 R)
• M9: 4,164,655 km (0.044 R)
• M10: 4,775,762 km (0.108 R)
• M11: 5,047,283 km (0.117 R)
• M12: 6,728,763 km (0.119 R)
• M13: 10,141,090 km (0.031 R)
• M14: 10,589,884 km (0.086 R)
• M15: 11,382,902 km (0.1 R)
• M16: 11,575,135 km (0.092 R)
• M17: 19,682,293 km (0.107 R)
• M18: 20,949,387 km (0.103 R)
• M19: 22,950,707 km (0.108 R)
• M20: 23,257,682 km (0.028 R)
• M21: 25,401,419 km (0.115 R)
• M22: 29,622,024 km (0.089 R)
• M23: 30,537,264 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.7

Radius: 7.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.2 AU - 8.64 AU

Year: 13259 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 68.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,311,874 km

• M1: 136,433 km (0.116 R)
• M2: 408,253 km (0.079 R)
• M3: 1,021,903 km (0.104 R)
• M4: 3,752,363 km (0.114 R)
• M5: 4,130,696 km (0.09 R)
• M6: 6,279,221 km (0.097 R)
• M7: 8,004,084 km (0.098 R)
• M8: 11,393,224 km (0.117 R)
• M9: 11,764,825 km (0.118 R)
• M10: 16,771,567 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.1

Radius: 7.7

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.35 AU - 9.55 AU

Year: 19057 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,311,874 km

• M1: 95,743 km (0.117 R)
• M2: 340,934 km (0.113 R)
• M3: 1,195,137 km (0.082 R)
• M4: 1,642,435 km (0.095 R)
• M5: 2,385,936 km (0.073 R)
• M6: 3,071,244 km (0.114 R)
• M7: 3,761,938 km (0.095 R)
• M8: 4,191,583 km (0.106 R)
• M9: 6,413,859 km (0.074 R)
• M10: 7,971,622 km (0.086 R)
• M11: 8,891,349 km (0.118 R)
• M12: 10,940,092 km (0.099 R)
• M13: 15,172,814 km (0.108 R)
• M14: 16,500,196 km (0.098 R)
• M15: 17,068,519 km (0.088 R)
• M16: 17,566,081 km (0.106 R)
• M17: 19,294,685 km (0.102 R)
• M18: 20,016,793 km (0.073 R)
• M19: 20,663,355 km (0.076 R)
• M20: 22,389,715 km (0.082 R)
• M21: 23,797,431 km (0.087 R)
• M22: 26,127,119 km (0.084 R)
• M23: 28,837,383 km (0.104 R)
• M24: 30,623,283 km (0.08 R)
• M25: 33,503,042 km (0.101 R)
• M26: 36,014,191 km (0.103 R)
• M27: 40,669,228 km (0.102 R)
• M28: 44,764,021 km (0.058 R)
• M29: 49,459,450 km (0.096 R)
• M30: 51,839,402 km (0.107 R)
• M31: 55,370,211 km (0.044 R)
• M32: 56,460,032 km (0.062 R)
• M33: 60,386,676 km (0.108 R)
• M34: 64,491,642 km (0.074 R)
• M35: 68,987,507 km (0.085 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: 353 - 15,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit