🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.75 AU - 0.95 AU

Year: 295 Days

Day: 21.2 Hours

Environment

Temp: 101 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,207,945 km

• M1: 45,029 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.78 AU - 0.98 AU

Year: 311 Days

Day: 13.7 Hours

Environment

Temp: 46 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.15 AU - 1.33 AU

Year: 520 Days

Day: 19 Hours

Environment

Temp: -21 °C

Axial Tilt: 27.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.96 AU - 1.52 AU

Year: 520 Days

Day: 15 Hours

Environment

Temp: -17 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 64,207,945 km

• M1: 255,214 km (0.105 R)

Asteroid Belt

Center: 3.06 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.9

Radius: 11.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.75 AU - 5.99 AU

Year: 4049 Days

Day: 11.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 59.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,207,945 km

• M1: 148,700 km (0.074 R)
• M2: 516,861 km (0.115 R)
• M3: 988,842 km (0.118 R)
• M4: 1,806,993 km (0.115 R)
• M5: 2,336,270 km (0.027 R)
• M6: 3,559,233 km (0.063 R)
• M7: 4,333,551 km (0.073 R)
• M8: 5,714,639 km (0.112 R)
• M9: 6,747,911 km (0.106 R)
• M10: 8,661,418 km (0.05 R)
• M11: 10,022,609 km (0.079 R)
• M12: 11,897,369 km (0.063 R)
• M13: 12,498,453 km (0.115 R)
• M14: 13,668,458 km (0.091 R)
• M15: 14,811,984 km (0.105 R)
• M16: 16,434,672 km (0.061 R)
• M17: 19,202,532 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.8

Radius: 9.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.09 AU - 5.69 AU

Year: 4714 Days

Day: 11.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,207,945 km

• M1: 119,529 km (0.103 R)
• M2: 530,923 km (0.08 R)
• M3: 1,226,104 km (0.078 R)
• M4: 2,458,491 km (0.111 R)
• M5: 3,154,869 km (0.073 R)
• M6: 4,331,158 km (0.115 R)
• M7: 4,866,568 km (0.102 R)
• M8: 5,370,564 km (0.055 R)
• M9: 5,935,744 km (0.118 R)
• M10: 7,553,645 km (0.094 R)
• M11: 7,903,106 km (0.061 R)
• M12: 8,634,639 km (0.054 R)
• M13: 11,636,919 km (0.069 R)
• M14: 12,451,180 km (0.047 R)
• M15: 14,677,346 km (0.086 R)
• M16: 16,091,944 km (0.062 R)
• M17: 19,014,637 km (0.063 R)
• M18: 20,570,306 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390

Radius: 3.3

Gravity: 35.81 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 13.84 AU - 15.64 AU

Year: 21319 Days

Day: 17 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,207,945 km

• M1: 40,990 km (0.099 R)
• M2: 221,554 km (0.118 R)
• M3: 331,060 km (0.081 R)
• M4: 973,134 km (0.112 R)
• M5: 2,096,614 km (0.108 R)
• M6: 2,340,608 km (0.109 R)
• M7: 2,580,563 km (0.098 R)
• M8: 3,135,123 km (0.049 R)
• M9: 3,593,042 km (0.071 R)
• M10: 4,094,195 km (0.099 R)
• M11: 6,653,515 km (0.114 R)
• M12: 6,956,600 km (0.053 R)
• M13: 7,778,341 km (0.094 R)
• M14: 8,662,764 km (0.048 R)
• M15: 10,339,457 km (0.055 R)
• M16: 11,284,018 km (0.051 R)
• M17: 11,405,940 km (0.118 R)
• M18: 12,413,781 km (0.107 R)
• M19: 13,616,847 km (0.079 R)
• M20: 14,317,713 km (0.045 R)
• M21: 14,822,307 km (0.054 R)
• M22: 19,468,966 km (0.088 R)
• M23: 19,732,558 km (0.118 R)
• M24: 20,447,486 km (0.093 R)
• M25: 21,179,468 km (0.077 R)
• M26: 22,695,643 km (0.088 R)
• M27: 24,793,304 km (0.084 R)
• M28: 26,047,981 km (0.111 R)
• M29: 26,583,093 km (0.089 R)
• M30: 26,907,720 km (0.106 R)
• M31: 28,232,409 km (0.108 R)
• M32: 32,466,328 km (0.063 R)
• M33: 34,220,962 km (0.077 R)
• M34: 41,290,957 km (0.082 R)
• M35: 41,871,995 km (0.078 R)
• M36: 45,781,736 km (0.098 R)
• M37: 60,997,036 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.3

Radius: 7.2

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 11.97 AU - 19.19 AU

Year: 23167 Days

Day: 21.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,207,945 km

• M1: 96,341 km (0.115 R)
• M2: 535,261 km (0.083 R)
• M3: 935,884 km (0.065 R)
• M4: 1,269,488 km (0.104 R)
• M5: 1,509,592 km (0.06 R)
• M6: 1,883,288 km (0.11 R)
• M7: 3,306,711 km (0.096 R)
• M8: 3,823,722 km (0.119 R)
• M9: 4,147,003 km (0.072 R)
• M10: 4,424,955 km (0.118 R)
• M11: 5,157,237 km (0.085 R)
• M12: 11,875,079 km (0.099 R)
• M13: 12,373,838 km (0.11 R)
• M14: 13,016,810 km (0.106 R)
• M15: 13,885,824 km (0.095 R)
• M16: 15,152,020 km (0.108 R)
• M17: 15,517,039 km (0.114 R)
• M18: 19,325,352 km (0.043 R)
• M19: 19,928,232 km (0.109 R)
• M20: 23,518,880 km (0.103 R)
• M21: 25,723,354 km (0.07 R)
• M22: 26,242,907 km (0.099 R)
• M23: 27,952,811 km (0.09 R)
• M24: 28,391,581 km (0.116 R)
• M25: 29,282,886 km (0.036 R)
• M26: 30,077,998 km (0.042 R)
• M27: 31,474,345 km (0.064 R)
• M28: 32,068,697 km (0.095 R)
• M29: 33,402,811 km (0.09 R)
• M30: 35,664,731 km (0.086 R)
• M31: 36,964,587 km (0.034 R)
• M32: 42,480,410 km (0.06 R)
• M33: 48,995,397 km (0.098 R)
• M34: 49,313,592 km (0.088 R)
• M35: 50,276,703 km (0.102 R)
• M36: 54,254,510 km (0.099 R)
• M37: 58,974,622 km (0.077 R)
• M38: 61,157,554 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.3

Radius: 6.3

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 17.07 AU - 19.53 AU

Year: 29492 Days

Day: 21.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,207,945 km

• M1: 80,484 km (0.083 R)
• M2: 341,083 km (0.107 R)
• M3: 1,298,958 km (0.098 R)
• M4: 1,516,474 km (0.076 R)
• M5: 2,140,596 km (0.084 R)
• M6: 3,326,757 km (0.087 R)
• M7: 3,597,230 km (0.09 R)
• M8: 5,430,253 km (0.112 R)
• M9: 12,270,017 km (0.049 R)
• M10: 14,279,566 km (0.112 R)
• M11: 18,099,547 km (0.114 R)
• M12: 19,108,286 km (0.085 R)
• M13: 30,745,803 km (0.091 R)
• M14: 42,017,255 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 13,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit