🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.46 AU - 0.64 AU

Year: 263 Days

Day: 45.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.53 AU - 0.61 AU

Year: 278 Days

Day: 42.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.15 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.3

Radius: 10.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.55 AU - 1.91 AU

Year: 1469 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,524,818 km

• M1: 131,796 km (0.1 R)
• M2: 479,162 km (0.054 R)
• M3: 892,501 km (0.114 R)
• M4: 1,456,934 km (0.09 R)
• M5: 1,842,597 km (0.098 R)
• M6: 2,212,104 km (0.038 R)
• M7: 3,057,930 km (0.112 R)
• M8: 3,464,986 km (0.034 R)
• M9: 3,837,485 km (0.078 R)
• M10: 4,199,362 km (0.095 R)
• M11: 4,584,128 km (0.036 R)
• M12: 5,559,356 km (0.103 R)
• M13: 6,616,415 km (0.098 R)
• M14: 7,410,630 km (0.073 R)
• M15: 8,750,428 km (0.106 R)
• M16: 9,510,535 km (0.11 R)
• M17: 10,007,499 km (0.09 R)
• M18: 10,452,254 km (0.053 R)
• M19: 11,528,910 km (0.096 R)
• M20: 12,364,414 km (0.103 R)
• M21: 12,757,258 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 8.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.76 AU - 2.08 AU

Year: 1718 Days

Day: 7.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,524,818 km

• M1: 110,702 km (0.071 R)
• M2: 396,285 km (0.115 R)
• M3: 717,023 km (0.109 R)
• M4: 1,087,577 km (0.098 R)
• M5: 1,559,259 km (0.116 R)
• M6: 2,162,437 km (0.049 R)
• M7: 2,682,739 km (0.093 R)
• M8: 2,966,376 km (0.118 R)
• M9: 4,189,488 km (0.11 R)
• M10: 4,645,463 km (0.079 R)
• M11: 5,615,605 km (0.117 R)
• M12: 6,104,790 km (0.042 R)
• M13: 6,645,287 km (0.092 R)
• M14: 8,270,219 km (0.114 R)
• M15: 8,679,968 km (0.057 R)
• M16: 10,206,165 km (0.111 R)
• M17: 10,677,847 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.1

Radius: 9.7

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.51 AU - 3.21 AU

Year: 3123 Days

Day: 7.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,524,818 km

• M1: 120,725 km (0.081 R)
• M2: 531,970 km (0.115 R)
• M3: 912,996 km (0.098 R)
• M4: 1,375,552 km (0.108 R)
• M5: 1,755,232 km (0.097 R)
• M6: 2,649,977 km (0.044 R)
• M7: 3,682,052 km (0.119 R)
• M8: 4,158,671 km (0.11 R)
• M9: 4,606,118 km (0.118 R)
• M10: 5,704,316 km (0.08 R)
• M11: 6,314,975 km (0.063 R)
• M12: 6,846,496 km (0.09 R)
• M13: 7,248,615 km (0.113 R)
• M14: 7,568,755 km (0.066 R)
• M15: 9,730,743 km (0.067 R)
• M16: 10,440,286 km (0.049 R)
• M17: 11,396,815 km (0.076 R)
• M18: 11,699,152 km (0.107 R)
• M19: 15,077,521 km (0.09 R)
• M20: 16,298,239 km (0.104 R)
• M21: 18,398,444 km (0.119 R)
• M22: 20,736,958 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 11.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.88 AU - 4.44 AU

Year: 4521 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,524,818 km

• M1: 138,827 km (0.11 R)
• M2: 645,515 km (0.068 R)
• M3: 1,228,647 km (0.073 R)
• M4: 3,050,899 km (0.078 R)
• M5: 3,424,744 km (0.116 R)
• M6: 5,504,154 km (0.092 R)
• M7: 6,032,983 km (0.082 R)
• M8: 6,842,756 km (0.041 R)
• M9: 10,192,851 km (0.027 R)
• M10: 10,692,807 km (0.07 R)
• M11: 11,741,638 km (0.035 R)
• M12: 12,244,735 km (0.115 R)
• M13: 13,050,619 km (0.117 R)
• M14: 14,094,363 km (0.058 R)
• M15: 15,032,641 km (0.106 R)
• M16: 16,123,359 km (0.067 R)
• M17: 16,631,094 km (0.096 R)
• M18: 17,857,348 km (0.074 R)
• M19: 20,951,780 km (0.103 R)
• M20: 21,353,750 km (0.109 R)
• M21: 22,590,774 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.3

Radius: 14.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.38 AU - 4.38 AU

Year: 5919 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,524,818 km

• M1: 180,265 km (0.083 R)
• M2: 804,687 km (0.092 R)
• M3: 1,282,203 km (0.095 R)
• M4: 2,214,946 km (0.058 R)
• M5: 3,138,115 km (0.108 R)
• M6: 4,565,129 km (0.095 R)
• M7: 5,031,575 km (0.112 R)
• M8: 6,765,115 km (0.064 R)
• M9: 8,498,057 km (0.09 R)
• M10: 9,380,983 km (0.095 R)
• M11: 9,957,833 km (0.12 R)
• M12: 10,795,431 km (0.062 R)
• M13: 12,611,549 km (0.073 R)
• M14: 18,440,630 km (0.048 R)
• M15: 19,920,602 km (0.058 R)
• M16: 21,250,976 km (0.119 R)
• M17: 25,769,430 km (0.042 R)
• M18: 26,638,743 km (0.076 R)
• M19: 31,281,663 km (0.052 R)
• M20: 34,625,774 km (0.087 R)
• M21: 36,113,973 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.8

Radius: 7.7

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.04 AU - 11.42 AU

Year: 18106 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,524,818 km

• M1: 113,246 km (0.115 R)
• M2: 1,533,229 km (0.074 R)
• M3: 4,173,182 km (0.102 R)
• M4: 6,656,956 km (0.109 R)
• M5: 6,941,640 km (0.034 R)
• M6: 8,347,860 km (0.105 R)
• M7: 10,415,004 km (0.113 R)
• M8: 11,654,273 km (0.055 R)
• M9: 16,617,930 km (0.099 R)
• M10: 17,833,861 km (0.118 R)
• M11: 19,435,755 km (0.086 R)
• M12: 20,527,072 km (0.051 R)
• M13: 20,784,530 km (0.119 R)
• M14: 27,217,388 km (0.054 R)
• M15: 45,987,433 km (0.089 R)
• M16: 51,787,492 km (0.05 R)
• M17: 53,229,166 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 18,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit