🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.88 AU - 1.12 AU

Year: 383 Days

Day: 35.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 80,774,434 km

• M1: 150,047 km (0.118 R)
• M2: 338,690 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.75 AU - 4.33 AU

Year: 2550 Days

Day: 31.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 11

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.93 AU - 4.53 AU

Year: 3331 Days

Day: 14.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,774,434 km

• M1: 137,181 km (0.096 R)
• M2: 484,697 km (0.099 R)
• M3: 834,158 km (0.115 R)
• M4: 1,336,807 km (0.096 R)
• M5: 1,685,370 km (0.081 R)
• M6: 2,059,963 km (0.039 R)
• M7: 2,586,547 km (0.053 R)
• M8: 2,996,595 km (0.064 R)
• M9: 3,986,185 km (0.097 R)
• M10: 5,549,632 km (0.045 R)
• M11: 6,211,154 km (0.084 R)
• M12: 7,780,436 km (0.1 R)
• M13: 8,264,983 km (0.098 R)
• M14: 9,462,963 km (0.118 R)
• M15: 14,146,723 km (0.071 R)
• M16: 15,522,275 km (0.09 R)
• M17: 16,291,358 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.8

Radius: 13.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.86 AU - 9.36 AU

Year: 8843 Days

Day: 12.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,774,434 km

• M1: 168,148 km (0.066 R)
• M2: 606,320 km (0.093 R)
• M3: 1,033,871 km (0.059 R)
• M4: 1,647,821 km (0.077 R)
• M5: 2,336,270 km (0.12 R)
• M6: 3,015,743 km (0.09 R)
• M7: 3,651,385 km (0.113 R)
• M8: 4,159,270 km (0.048 R)
• M9: 5,445,213 km (0.119 R)
• M10: 6,645,586 km (0.041 R)
• M11: 7,768,169 km (0.059 R)
• M12: 9,195,183 km (0.076 R)
• M13: 9,850,870 km (0.092 R)
• M14: 10,790,494 km (0.094 R)
• M15: 11,897,668 km (0.118 R)
• M16: 15,091,882 km (0.095 R)
• M17: 16,138,917 km (0.1 R)
• M18: 17,303,687 km (0.102 R)
• M19: 17,870,812 km (0.066 R)
• M20: 19,647,287 km (0.103 R)
• M21: 20,187,036 km (0.07 R)
• M22: 21,538,802 km (0.079 R)
• M23: 25,226,839 km (0.077 R)
• M24: 31,465,818 km (0.11 R)
• M25: 35,505,559 km (0.104 R)
• M26: 36,886,646 km (0.102 R)
• M27: 39,267,646 km (0.117 R)
• M28: 39,878,604 km (0.108 R)
• M29: 42,258,107 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.2

Radius: 9.1

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.15 AU - 10.63 AU

Year: 10149 Days

Day: 13.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,774,434 km

• M1: 116,537 km (0.078 R)
• M2: 467,344 km (0.043 R)
• M3: 864,676 km (0.086 R)
• M4: 1,194,689 km (0.115 R)
• M5: 1,965,417 km (0.097 R)
• M6: 2,280,320 km (0.056 R)
• M7: 2,838,021 km (0.035 R)
• M8: 3,290,106 km (0.115 R)
• M9: 4,396,532 km (0.103 R)
• M10: 4,877,639 km (0.092 R)
• M11: 5,293,969 km (0.059 R)
• M12: 5,874,260 km (0.06 R)
• M13: 7,040,824 km (0.07 R)
• M14: 9,046,632 km (0.037 R)
• M15: 10,180,584 km (0.118 R)
• M16: 10,862,002 km (0.028 R)
• M17: 12,374,137 km (0.099 R)
• M18: 17,084,974 km (0.05 R)
• M19: 18,122,286 km (0.096 R)
• M20: 19,676,159 km (0.071 R)
• M21: 21,570,667 km (0.087 R)
• M22: 22,084,386 km (0.04 R)
• M23: 26,296,613 km (0.09 R)
• M24: 26,686,465 km (0.041 R)
• M25: 27,278,424 km (0.118 R)
• M26: 28,284,469 km (0.113 R)
• M27: 31,451,008 km (0.112 R)
• M28: 34,264,046 km (0.113 R)
• M29: 35,553,430 km (0.088 R)
• M30: 47,629,568 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.6

Radius: 3.4

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 11.62 AU - 12.44 AU

Year: 15976 Days

Day: 22.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,774,434 km

• M1: 99,483 km (0.051 R)
• M2: 380,278 km (0.067 R)
• M3: 650,601 km (0.071 R)
• M4: 1,139,786 km (0.116 R)
• M5: 1,479,972 km (0.079 R)
• M6: 4,570,664 km (0.083 R)
• M7: 4,765,889 km (0.104 R)
• M8: 10,310,584 km (0.107 R)
• M9: 13,543,394 km (0.09 R)
• M10: 20,602,170 km (0.094 R)
• M11: 24,863,166 km (0.049 R)
• M12: 31,241,571 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.8

Radius: 7.8

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 13.63 AU - 16.07 AU

Year: 21911 Days

Day: 19.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,774,434 km

• M1: 97,089 km (0.111 R)
• M2: 591,360 km (0.104 R)
• M3: 2,210,608 km (0.108 R)
• M4: 2,477,341 km (0.026 R)
• M5: 3,381,211 km (0.098 R)
• M6: 3,645,700 km (0.101 R)
• M7: 3,924,102 km (0.086 R)
• M8: 6,203,225 km (0.119 R)
• M9: 7,206,429 km (0.084 R)
• M10: 7,847,904 km (0.053 R)
• M11: 8,419,817 km (0.084 R)
• M12: 9,472,836 km (0.116 R)
• M13: 9,823,045 km (0.026 R)
• M14: 10,736,041 km (0.045 R)
• M15: 12,244,436 km (0.077 R)
• M16: 14,959,338 km (0.025 R)
• M17: 19,793,593 km (0.066 R)
• M18: 26,715,637 km (0.099 R)
• M19: 27,532,890 km (0.102 R)
• M20: 29,094,542 km (0.102 R)
• M21: 32,393,474 km (0.044 R)
• M22: 32,789,460 km (0.095 R)
• M23: 38,677,931 km (0.112 R)
• M24: 38,974,733 km (0.089 R)
• M25: 39,874,116 km (0.038 R)
• M26: 42,972,288 km (0.068 R)
• M27: 48,601,207 km (0.04 R)
• M28: 49,818,036 km (0.083 R)
• M29: 51,233,531 km (0.088 R)
• M30: 52,131,716 km (0.12 R)
• M31: 57,164,039 km (0.096 R)
• M32: 61,698,351 km (0.071 R)
• M33: 65,620,508 km (0.082 R)
• M34: 77,668,671 km (0.109 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: 349 - 17,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit