🌌 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: 866

Radius: 9.9

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.77 AU - 1.01 AU

Year: 569 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,177,633 km

• M1: 125,064 km (0.052 R)
• M2: 511,774 km (0.045 R)
• M3: 886,966 km (0.114 R)
• M4: 1,372,112 km (0.096 R)
• M5: 1,922,183 km (0.101 R)
• M6: 2,768,159 km (0.082 R)
• M7: 3,307,759 km (0.027 R)
• M8: 3,677,864 km (0.056 R)
• M9: 4,060,984 km (0.059 R)
• M10: 4,486,291 km (0.104 R)
• M11: 5,249,838 km (0.091 R)
• M12: 5,943,823 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 11.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.31 AU - 2.43 AU

Year: 2475 Days

Day: 5.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,177,633 km

• M1: 145,708 km (0.089 R)
• M2: 939,624 km (0.113 R)
• M3: 1,318,705 km (0.089 R)
• M4: 1,734,587 km (0.041 R)
• M5: 2,719,091 km (0.068 R)
• M6: 3,498,047 km (0.092 R)
• M7: 4,184,552 km (0.069 R)
• M8: 5,286,041 km (0.093 R)
• M9: 5,715,387 km (0.099 R)
• M10: 7,068,799 km (0.051 R)
• M11: 7,458,202 km (0.093 R)
• M12: 8,683,857 km (0.087 R)
• M13: 11,284,616 km (0.057 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.5

Radius: 3.3

Gravity: 16.21 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.64 AU - 8.46 AU

Year: 12696 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,177,633 km

• M1: 64,626 km (0.12 R)
• M2: 179,218 km (0.105 R)
• M3: 293,810 km (0.115 R)
• M4: 458,817 km (0.112 R)
• M5: 599,139 km (0.085 R)
• M6: 1,290,132 km (0.096 R)
• M7: 1,865,186 km (0.075 R)
• M8: 2,802,716 km (0.059 R)
• M9: 4,141,617 km (0.049 R)
• M10: 4,920,274 km (0.042 R)
• M11: 5,063,888 km (0.114 R)
• M12: 8,973,179 km (0.079 R)
• M13: 11,776,045 km (0.061 R)
• M14: 15,414,714 km (0.09 R)
• M15: 18,815,074 km (0.087 R)
• M16: 21,747,342 km (0.119 R)
• M17: 25,565,079 km (0.074 R)
• M18: 26,431,101 km (0.069 R)
• M19: 28,221,788 km (0.039 R)
• M20: 28,960,053 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.3

Radius: 5.9

Gravity: 28.02 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.32 AU - 9.84 AU

Year: 17046 Days

Day: 22.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,177,633 km

• M1: 73,303 km (0.066 R)
• M2: 317,596 km (0.092 R)
• M3: 725,998 km (0.064 R)
• M4: 1,190,051 km (0.066 R)
• M5: 1,409,062 km (0.077 R)
• M6: 2,169,768 km (0.11 R)
• M7: 3,454,813 km (0.113 R)
• M8: 3,750,419 km (0.036 R)
• M9: 4,392,343 km (0.086 R)
• M10: 4,883,473 km (0.05 R)
• M11: 6,621,800 km (0.12 R)
• M12: 9,173,042 km (0.118 R)
• M13: 9,567,831 km (0.066 R)
• M14: 10,820,264 km (0.057 R)
• M15: 11,911,282 km (0.117 R)
• M16: 12,381,169 km (0.088 R)
• M17: 13,865,179 km (0.09 R)
• M18: 15,701,793 km (0.106 R)
• M19: 16,103,912 km (0.117 R)
• M20: 22,782,709 km (0.101 R)
• M21: 23,091,030 km (0.116 R)
• M22: 25,327,368 km (0.078 R)
• M23: 26,554,520 km (0.104 R)
• M24: 31,224,816 km (0.113 R)
• M25: 31,605,243 km (0.096 R)
• M26: 34,760,561 km (0.056 R)
• M27: 35,169,113 km (0.071 R)
• M28: 36,977,003 km (0.074 R)
• M29: 39,433,251 km (0.078 R)
• M30: 47,618,049 km (0.117 R)
• M31: 53,359,317 km (0.074 R)
• M32: 55,186,206 km (0.079 R)
• M33: 58,386,703 km (0.115 R)
• M34: 69,370,328 km (0.108 R)
• M35: 73,093,669 km (0.103 R)

Asteroid Belt

Center: 9.11 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.9

Radius: 5.1

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.14 AU - 10.14 AU

Year: 20301 Days

Day: 24.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 85.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,177,633 km

• M1: 63,429 km (0.077 R)
• M2: 287,677 km (0.065 R)
• M3: 666,459 km (0.115 R)
• M4: 930,200 km (0.074 R)
• M5: 1,462,469 km (0.062 R)
• M6: 1,804,001 km (0.027 R)
• M7: 2,446,224 km (0.097 R)
• M8: 2,690,966 km (0.092 R)
• M9: 2,903,395 km (0.1 R)
• M10: 3,388,541 km (0.098 R)
• M11: 3,955,667 km (0.088 R)
• M12: 4,818,996 km (0.104 R)
• M13: 5,840,151 km (0.084 R)
• M14: 12,506,980 km (0.072 R)
• M15: 18,110,917 km (0.114 R)
• M16: 22,397,644 km (0.094 R)
• M17: 23,964,382 km (0.093 R)
• M18: 29,790,172 km (0.058 R)
• M19: 38,656,838 km (0.118 R)
• M20: 45,350,744 km (0.105 R)
• M21: 47,690,156 km (0.095 R)
• M22: 48,007,901 km (0.1 R)
• M23: 48,167,373 km (0.088 R)
• M24: 48,327,293 km (0.08 R)
• M25: 59,859,793 km (0.084 R)
• M26: 63,243,697 km (0.104 R)
• M27: 63,435,331 km (0.025 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 19,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit