🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 14.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.72 AU - 1.06 AU

Year: 590 Days

Day: 13.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,985,574 km

• M1: 180,864 km (0.077 R)
• M2: 672,592 km (0.047 R)
• M3: 1,164,320 km (0.108 R)
• M4: 1,738,926 km (0.065 R)
• M5: 2,532,991 km (0.115 R)
• M6: 3,221,441 km (0.088 R)
• M7: 4,060,984 km (0.065 R)
• M8: 4,564,081 km (0.114 R)
• M9: 5,142,128 km (0.081 R)
• M10: 5,805,295 km (0.095 R)
• M11: 6,368,531 km (0.032 R)
• M12: 7,176,509 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.9

Radius: 11.5

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.04 AU - 2.44 AU

Year: 2357 Days

Day: 13.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,985,574 km

• M1: 148,700 km (0.089 R)
• M2: 1,037,910 km (0.098 R)
• M3: 1,527,843 km (0.03 R)
• M4: 2,474,349 km (0.109 R)
• M5: 4,013,112 km (0.086 R)
• M6: 4,417,027 km (0.104 R)
• M7: 5,676,790 km (0.113 R)
• M8: 6,809,097 km (0.09 R)
• M9: 8,328,712 km (0.112 R)
• M10: 8,765,538 km (0.113 R)
• M11: 10,559,515 km (0.077 R)
• M12: 14,279,117 km (0.096 R)
• M13: 15,597,972 km (0.077 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.4

Radius: 3.5

Gravity: 79.87 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.43 AU - 6.39 AU

Year: 10099 Days

Day: 19.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,985,574 km

• M1: 46,226 km (0.076 R)
• M2: 234,270 km (0.072 R)
• M3: 415,882 km (0.101 R)
• M4: 560,842 km (0.118 R)
• M5: 794,065 km (0.11 R)
• M6: 1,185,114 km (0.083 R)
• M7: 1,409,212 km (0.086 R)
• M8: 1,941,930 km (0.109 R)
• M9: 2,177,547 km (0.073 R)
• M10: 2,292,438 km (0.101 R)
• M11: 2,838,470 km (0.095 R)
• M12: 3,597,081 km (0.062 R)
• M13: 5,432,347 km (0.116 R)
• M14: 5,644,627 km (0.083 R)
• M15: 6,830,340 km (0.087 R)
• M16: 16,965,147 km (0.115 R)
• M17: 18,987,560 km (0.086 R)
• M18: 32,802,026 km (0.061 R)
• M19: 39,756,083 km (0.058 R)
• M20: 40,154,163 km (0.098 R)
• M21: 42,875,647 km (0.118 R)
• M22: 46,741,256 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.7

Radius: 6.8

Gravity: 18.4 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.92 AU - 7.44 AU

Year: 12136 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 30,985,574 km

• M1: 85,271 km (0.057 R)
• M2: 315,502 km (0.061 R)
• M3: 559,945 km (0.105 R)
• M4: 1,224,010 km (0.111 R)
• M5: 2,747,814 km (0.086 R)
• M6: 3,001,681 km (0.077 R)
• M7: 3,830,753 km (0.062 R)
• M8: 5,104,878 km (0.096 R)
• M9: 6,477,438 km (0.026 R)
• M10: 7,270,606 km (0.057 R)
• M11: 7,713,117 km (0.092 R)
• M12: 8,506,434 km (0.085 R)
• M13: 11,743,433 km (0.09 R)
• M14: 12,290,811 km (0.068 R)
• M15: 12,982,702 km (0.11 R)
• M16: 14,444,123 km (0.105 R)
• M17: 14,790,891 km (0.068 R)
• M18: 15,864,854 km (0.093 R)
• M19: 17,066,723 km (0.115 R)
• M20: 19,481,532 km (0.044 R)
• M21: 20,162,203 km (0.103 R)
• M22: 22,669,164 km (0.092 R)
• M23: 23,997,294 km (0.064 R)
• M24: 25,176,274 km (0.103 R)
• M25: 28,508,567 km (0.065 R)
• M26: 31,192,502 km (0.097 R)
• M27: 34,408,258 km (0.062 R)
• M28: 36,159,451 km (0.03 R)
• M29: 38,364,972 km (0.111 R)
• M30: 39,838,811 km (0.029 R)
• M31: 43,328,181 km (0.116 R)
• M32: 47,319,751 km (0.112 R)
• M33: 47,624,931 km (0.084 R)
• M34: 49,797,242 km (0.095 R)
• M35: 56,025,001 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114

Radius: 4.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.78 AU - 7.02 AU

Year: 12740 Days

Day: 21.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,985,574 km

• M1: 60,886 km (0.038 R)
• M2: 263,143 km (0.05 R)
• M3: 791,971 km (0.097 R)
• M4: 964,457 km (0.11 R)
• M5: 1,152,203 km (0.061 R)
• M6: 1,479,822 km (0.115 R)
• M7: 2,418,100 km (0.092 R)
• M8: 3,480,993 km (0.116 R)
• M9: 4,163,159 km (0.118 R)
• M10: 4,384,115 km (0.055 R)
• M11: 5,668,263 km (0.041 R)
• M12: 6,942,987 km (0.099 R)
• M13: 7,254,300 km (0.07 R)
• M14: 14,849,533 km (0.104 R)
• M15: 15,365,945 km (0.104 R)
• M16: 19,937,357 km (0.037 R)
• M17: 25,176,873 km (0.096 R)
• M18: 27,165,328 km (0.075 R)
• M19: 27,506,710 km (0.115 R)
• M20: 28,372,433 km (0.051 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 12,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit