🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.5

Radius: 12.5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.57 AU - 1.97 AU

Year: 1497 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,884,836 km

• M1: 155,582 km (0.112 R)
• M2: 914,193 km (0.026 R)
• M3: 1,428,360 km (0.115 R)
• M4: 2,598,964 km (0.11 R)
• M5: 3,062,418 km (0.116 R)
• M6: 4,225,841 km (0.086 R)
• M7: 5,875,905 km (0.093 R)
• M8: 6,611,478 km (0.118 R)
• M9: 7,686,787 km (0.048 R)
• M10: 8,293,556 km (0.118 R)
• M11: 9,190,695 km (0.073 R)
• M12: 10,688,768 km (0.119 R)
• M13: 11,145,191 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.4

Radius: 12.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.74 AU - 1.92 AU

Year: 1574 Days

Day: 10.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,884,836 km

• M1: 156,779 km (0.118 R)
• M2: 551,418 km (0.03 R)
• M3: 1,592,769 km (0.094 R)
• M4: 2,062,805 km (0.118 R)
• M5: 2,636,214 km (0.112 R)
• M6: 3,453,018 km (0.116 R)
• M7: 5,120,286 km (0.067 R)
• M8: 5,659,736 km (0.114 R)
• M9: 6,832,584 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.8

Radius: 13

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.26 AU - 2.98 AU

Year: 2696 Days

Day: 11.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,884,836 km

• M1: 162,762 km (0.096 R)
• M2: 573,857 km (0.112 R)
• M3: 1,035,516 km (0.038 R)
• M4: 1,476,830 km (0.104 R)
• M5: 2,105,740 km (0.09 R)
• M6: 2,759,333 km (0.059 R)
• M7: 3,191,521 km (0.083 R)
• M8: 3,723,042 km (0.059 R)
• M9: 4,834,405 km (0.046 R)
• M10: 5,304,292 km (0.092 R)
• M11: 7,124,599 km (0.112 R)
• M12: 7,765,177 km (0.108 R)
• M13: 9,570,225 km (0.081 R)
• M14: 9,990,894 km (0.083 R)
• M15: 11,135,318 km (0.106 R)
• M16: 11,680,003 km (0.098 R)
• M17: 13,335,005 km (0.118 R)
• M18: 13,905,122 km (0.108 R)
• M19: 15,283,068 km (0.12 R)
• M20: 17,208,243 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 11.1

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.48 AU - 2.88 AU

Year: 2790 Days

Day: 5.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,884,836 km

• M1: 138,079 km (0.116 R)
• M2: 530,923 km (0.11 R)
• M3: 1,424,471 km (0.101 R)
• M4: 1,786,348 km (0.085 R)
• M5: 2,552,588 km (0.072 R)
• M6: 2,944,984 km (0.07 R)
• M7: 3,835,091 km (0.056 R)
• M8: 4,548,822 km (0.115 R)
• M9: 5,996,631 km (0.114 R)
• M10: 6,541,765 km (0.086 R)
• M11: 7,038,879 km (0.082 R)
• M12: 7,476,902 km (0.118 R)
• M13: 7,874,982 km (0.111 R)
• M14: 8,377,481 km (0.115 R)
• M15: 9,123,226 km (0.092 R)
• M16: 10,393,910 km (0.12 R)
• M17: 10,818,768 km (0.074 R)
• M18: 12,635,335 km (0.096 R)
• M19: 13,324,982 km (0.099 R)
• M20: 13,911,555 km (0.107 R)
• M21: 15,001,824 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.6

Radius: 6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.81 AU - 8.93 AU

Year: 14038 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,884,836 km

• M1: 117,434 km (0.086 R)
• M2: 452,234 km (0.104 R)
• M3: 766,689 km (0.102 R)
• M4: 1,104,780 km (0.053 R)
• M5: 2,462,979 km (0.111 R)
• M6: 3,116,423 km (0.075 R)
• M7: 3,596,931 km (0.105 R)
• M8: 4,125,760 km (0.119 R)
• M9: 4,815,705 km (0.105 R)
• M10: 5,487,998 km (0.11 R)
• M11: 5,991,245 km (0.084 R)
• M12: 7,840,275 km (0.046 R)
• M13: 9,948,109 km (0.101 R)
• M14: 13,271,426 km (0.078 R)
• M15: 14,233,938 km (0.109 R)
• M16: 14,643,388 km (0.03 R)
• M17: 19,680,946 km (0.042 R)
• M18: 20,189,130 km (0.079 R)
• M19: 21,998,367 km (0.096 R)
• M20: 22,783,157 km (0.116 R)
• M21: 25,334,699 km (0.063 R)
• M22: 27,167,273 km (0.118 R)
• M23: 34,328,822 km (0.104 R)
• M24: 34,853,611 km (0.097 R)
• M25: 35,811,785 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859

Radius: 4.5

Gravity: 42.42 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.73 AU - 8.51 AU

Year: 14712 Days

Day: 23.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,884,836 km

• M1: 56,099 km (0.046 R)
• M2: 272,567 km (0.03 R)
• M3: 3,070,048 km (0.073 R)
• M4: 3,550,855 km (0.082 R)
• M5: 4,267,728 km (0.052 R)
• M6: 4,660,273 km (0.113 R)
• M7: 6,225,216 km (0.111 R)
• M8: 8,456,917 km (0.058 R)
• M9: 12,298,142 km (0.065 R)
• M10: 15,070,938 km (0.058 R)
• M11: 15,900,758 km (0.038 R)
• M12: 19,088,389 km (0.114 R)
• M13: 19,969,371 km (0.043 R)
• M14: 21,247,834 km (0.059 R)
• M15: 27,568,793 km (0.05 R)
• M16: 28,465,782 km (0.079 R)
• M17: 39,369,971 km (0.088 R)
• M18: 49,082,912 km (0.077 R)
• M19: 49,409,783 km (0.077 R)
• M20: 51,738,424 km (0.077 R)
• M21: 58,060,280 km (0.089 R)
• M22: 61,216,795 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.7

Radius: 4.6

Gravity: 40.53 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 10.23 AU - 11.37 AU

Year: 22567 Days

Day: 16.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,884,836 km

• M1: 57,745 km (0.032 R)
• M2: 239,207 km (0.102 R)
• M3: 628,760 km (0.05 R)
• M4: 1,110,016 km (0.092 R)
• M5: 1,478,775 km (0.101 R)
• M6: 1,924,726 km (0.071 R)
• M7: 3,307,759 km (0.091 R)
• M8: 3,931,282 km (0.117 R)
• M9: 5,490,242 km (0.1 R)
• M10: 7,021,526 km (0.102 R)
• M11: 7,623,956 km (0.12 R)
• M12: 8,097,733 km (0.106 R)
• M13: 8,369,402 km (0.037 R)
• M14: 9,457,278 km (0.11 R)
• M15: 12,547,073 km (0.069 R)
• M16: 13,889,564 km (0.054 R)
• M17: 16,507,527 km (0.077 R)
• M18: 16,944,203 km (0.052 R)
• M19: 17,568,475 km (0.082 R)
• M20: 19,436,503 km (0.061 R)
• M21: 24,677,366 km (0.112 R)
• M22: 26,415,992 km (0.108 R)
• M23: 34,047,727 km (0.03 R)
• M24: 34,897,443 km (0.112 R)
• M25: 38,134,143 km (0.083 R)
• M26: 39,050,430 km (0.081 R)
• M27: 39,514,034 km (0.093 R)
• M28: 40,926,836 km (0.069 R)
• M29: 43,686,617 km (0.104 R)
• M30: 45,536,993 km (0.109 R)
• M31: 46,222,600 km (0.086 R)
• M32: 58,752,469 km (0.1 R)
• M33: 64,596,959 km (0.055 R)
• M34: 71,737,116 km (0.119 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: 452 - 12,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit