🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.53 AU - 0.61 AU

Year: 153 Days

Day: 25.6 Hours

Environment

Temp: 195 °C

Axial Tilt: 48.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.62 AU - 0.74 AU

Year: 199 Days

Day: 30.6 Hours

Environment

Temp: 151 °C

Axial Tilt: 6.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,801,396 km

• M1: 430,991 km (0.03 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.59 AU - 0.81 AU

Year: 208 Days

Day: 24.5 Hours

Environment

Temp: 153 °C

Axial Tilt: 19.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.88 AU - 2.3 AU

Year: 1072 Days

Day: 20.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.76 AU - 2.92 AU

Year: 1270 Days

Day: 16 Hours

Environment

Temp: -80 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.95 AU - 3.15 AU

Year: 1890 Days

Day: 31.9 Hours

Environment

Temp: -97 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.08 AU - 6.02 AU

Year: 4026 Days

Day: 20.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.8

Radius: 7.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 12.28 AU - 14.18 AU

Year: 17072 Days

Day: 24.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,801,396 km

• M1: 95,743 km (0.113 R)
• M2: 442,660 km (0.108 R)
• M3: 830,717 km (0.112 R)
• M4: 1,266,496 km (0.108 R)
• M5: 1,619,247 km (0.062 R)
• M6: 1,875,658 km (0.081 R)
• M7: 2,928,528 km (0.115 R)
• M8: 3,775,551 km (0.107 R)
• M9: 4,940,769 km (0.078 R)
• M10: 5,913,005 km (0.116 R)
• M11: 6,902,745 km (0.073 R)
• M12: 7,184,288 km (0.107 R)
• M13: 7,510,262 km (0.056 R)
• M14: 8,588,115 km (0.075 R)
• M15: 9,591,168 km (0.094 R)
• M16: 10,347,535 km (0.072 R)
• M17: 13,121,080 km (0.103 R)
• M18: 13,829,426 km (0.048 R)
• M19: 16,046,167 km (0.091 R)
• M20: 23,699,893 km (0.027 R)
• M21: 24,504,580 km (0.075 R)
• M22: 25,829,568 km (0.116 R)
• M23: 26,767,846 km (0.052 R)
• M24: 28,083,709 km (0.095 R)
• M25: 33,178,115 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.2

Radius: 6.1

Gravity: 21.45 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 11.59 AU - 17.35 AU

Year: 19527 Days

Day: 15.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 75.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,801,396 km

• M1: 75,996 km (0.051 R)
• M2: 320,887 km (0.085 R)
• M3: 615,894 km (0.063 R)
• M4: 1,350,719 km (0.114 R)
• M5: 1,822,700 km (0.079 R)
• M6: 2,076,418 km (0.087 R)
• M7: 3,597,978 km (0.04 R)
• M8: 3,967,336 km (0.107 R)
• M9: 4,854,451 km (0.043 R)
• M10: 6,076,666 km (0.106 R)
• M11: 7,107,245 km (0.094 R)
• M12: 7,839,078 km (0.094 R)
• M13: 8,946,551 km (0.104 R)
• M14: 9,509,039 km (0.099 R)
• M15: 10,154,554 km (0.091 R)
• M16: 10,642,243 km (0.111 R)
• M17: 11,598,323 km (0.099 R)
• M18: 12,198,809 km (0.083 R)
• M19: 13,607,123 km (0.071 R)
• M20: 15,198,994 km (0.096 R)
• M21: 16,080,574 km (0.112 R)
• M22: 20,043,572 km (0.032 R)
• M23: 31,848,190 km (0.069 R)
• M24: 33,554,653 km (0.069 R)
• M25: 34,771,033 km (0.065 R)
• M26: 36,016,735 km (0.08 R)
• M27: 37,868,008 km (0.104 R)
• M28: 39,334,516 km (0.104 R)
• M29: 45,744,037 km (0.103 R)
• M30: 49,975,263 km (0.043 R)
• M31: 51,205,107 km (0.101 R)
• M32: 62,788,470 km (0.086 R)
• M33: 63,603,779 km (0.087 R)
• M34: 63,808,728 km (0.036 R)
• M35: 70,382,208 km (0.047 R)

Kuiper Belt

Range: 30.9 - 57.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 13,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit