🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.5 AU - 0.64 AU

Year: 160 Days

Day: 28.2 Hours

Environment

Temp: 199 °C

Axial Tilt: 55.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.79 AU - 1.19 AU

Year: 365 Days

Day: 39.7 Hours

Environment

Temp: 14 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.88 AU - 1.34 AU

Year: 434 Days

Day: 19.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.18 AU - 1.68 AU

Year: 634 Days

Day: 18.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.17 AU - 1.77 AU

Year: 661 Days

Day: 43.1 Hours

Environment

Temp: -38 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,386,768 km

• M1: 35,754 km (0.083 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.01 AU - 3.45 AU

Year: 2153 Days

Day: 39.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.4

Radius: 11.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.43 AU - 9.43 AU

Year: 9077 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,386,768 km

• M1: 146,756 km (0.111 R)
• M2: 569,968 km (0.113 R)
• M3: 971,040 km (0.08 R)
• M4: 1,581,100 km (0.117 R)
• M5: 2,065,049 km (0.082 R)
• M6: 2,665,236 km (0.116 R)
• M7: 3,465,883 km (0.053 R)
• M8: 6,915,610 km (0.078 R)
• M9: 9,690,052 km (0.119 R)
• M10: 12,758,006 km (0.054 R)
• M11: 13,408,308 km (0.119 R)
• M12: 14,775,333 km (0.068 R)
• M13: 16,675,824 km (0.09 R)
• M14: 17,718,073 km (0.102 R)
• M15: 18,255,279 km (0.045 R)
• M16: 19,574,582 km (0.068 R)
• M17: 23,031,041 km (0.109 R)
• M18: 23,429,719 km (0.07 R)
• M19: 27,228,159 km (0.117 R)
• M20: 28,215,505 km (0.093 R)
• M21: 30,933,100 km (0.086 R)
• M22: 31,516,382 km (0.042 R)
• M23: 32,305,511 km (0.072 R)
• M24: 33,006,825 km (0.097 R)
• M25: 35,171,507 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.3

Radius: 4.3

Gravity: 50.04 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 12.08 AU - 19.18 AU

Year: 22916 Days

Day: 15.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 87,386,768 km

• M1: 66,421 km (0.115 R)
• M2: 255,663 km (0.119 R)
• M3: 466,895 km (0.031 R)
• M4: 665,112 km (0.109 R)
• M5: 981,063 km (0.096 R)
• M6: 1,947,016 km (0.059 R)
• M7: 3,126,595 km (0.056 R)
• M8: 3,421,902 km (0.117 R)
• M9: 4,603,426 km (0.074 R)
• M10: 5,104,279 km (0.08 R)
• M11: 5,265,396 km (0.089 R)
• M12: 5,988,702 km (0.12 R)
• M13: 6,122,891 km (0.06 R)
• M14: 6,537,726 km (0.097 R)
• M15: 8,329,909 km (0.1 R)
• M16: 10,425,176 km (0.107 R)
• M17: 13,449,148 km (0.107 R)
• M18: 14,467,161 km (0.082 R)
• M19: 21,256,062 km (0.103 R)
• M20: 21,673,889 km (0.037 R)
• M21: 24,523,878 km (0.103 R)
• M22: 26,038,257 km (0.117 R)
• M23: 26,516,522 km (0.113 R)
• M24: 28,995,807 km (0.113 R)
• M25: 30,555,215 km (0.098 R)
• M26: 32,582,117 km (0.075 R)
• M27: 32,720,345 km (0.047 R)
• M28: 33,417,322 km (0.085 R)
• M29: 52,304,951 km (0.12 R)
• M30: 52,494,491 km (0.095 R)
• M31: 52,874,919 km (0.087 R)
• M32: 58,192,674 km (0.074 R)
• M33: 63,209,289 km (0.1 R)
• M34: 69,875,370 km (0.083 R)
• M35: 70,105,302 km (0.096 R)
• M36: 72,432,447 km (0.101 R)
• M37: 72,667,914 km (0.118 R)
• M38: 73,615,018 km (0.087 R)
• M39: 75,292,309 km (0.055 R)
• M40: 77,486,012 km (0.119 R)
• M41: 80,729,145 km (0.068 R)
• M42: 82,000,278 km (0.109 R)
• M43: 89,366,028 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.5

Radius: 8

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 15.69 AU - 16.03 AU

Year: 23424 Days

Day: 18.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,386,768 km

• M1: 99,632 km (0.115 R)
• M2: 617,091 km (0.083 R)
• M3: 979,118 km (0.095 R)
• M4: 1,615,956 km (0.109 R)
• M5: 2,456,247 km (0.065 R)
• M6: 3,095,928 km (0.066 R)
• M7: 3,652,731 km (0.101 R)
• M8: 5,237,571 km (0.116 R)
• M9: 5,812,476 km (0.109 R)
• M10: 6,248,404 km (0.059 R)
• M11: 6,942,987 km (0.068 R)
• M12: 9,454,286 km (0.081 R)
• M13: 10,305,947 km (0.042 R)
• M14: 11,610,291 km (0.085 R)
• M15: 13,316,454 km (0.107 R)
• M16: 13,844,086 km (0.105 R)
• M17: 15,510,756 km (0.097 R)
• M18: 15,926,489 km (0.037 R)
• M19: 16,607,159 km (0.082 R)
• M20: 22,449,255 km (0.089 R)
• M21: 23,413,114 km (0.094 R)
• M22: 24,628,148 km (0.12 R)
• M23: 27,424,431 km (0.116 R)
• M24: 30,167,458 km (0.068 R)
• M25: 38,719,818 km (0.101 R)
• M26: 44,790,650 km (0.074 R)
• M27: 45,633,783 km (0.087 R)
• M28: 48,403,139 km (0.115 R)
• M29: 53,515,796 km (0.025 R)
• M30: 53,894,278 km (0.083 R)
• M31: 58,175,022 km (0.063 R)
• M32: 59,583,336 km (0.081 R)
• M33: 63,308,622 km (0.062 R)
• M34: 75,173,977 km (0.093 R)
• M35: 80,505,645 km (0.063 R)
• M36: 82,002,372 km (0.113 R)
• M37: 83,010,362 km (0.067 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 16,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit