🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.57 AU - 0.69 AU

Year: 176 Days

Day: 30.6 Hours

Environment

Temp: 230 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.86 AU - 1.36 AU

Year: 411 Days

Day: 20 Hours

Environment

Temp: 20 °C

Axial Tilt: 16.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.96 AU - 1.34 AU

Year: 433 Days

Day: 18.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.46 AU - 2.08 AU

Year: 828 Days

Day: 26 Hours

Environment

Temp: -35 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,833,938 km

• M1: 17,952 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.61 AU - 2.37 AU

Year: 987 Days

Day: 14.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.33 AU - 2.93 AU

Year: 1499 Days

Day: 13.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.21 AU - 3.69 AU

Year: 2252 Days

Day: 20.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.39 AU - 3.77 AU

Year: 2381 Days

Day: 34.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.27 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 18.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552

Radius: 4.2

Gravity: 31.29 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 15.39 AU - 22.51 AU

Year: 28993 Days

Day: 18.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,833,938 km

• M1: 163,211 km (0.096 R)
• M2: 300,991 km (0.1 R)
• M3: 482,004 km (0.116 R)
• M4: 1,098,497 km (0.088 R)
• M5: 1,451,548 km (0.096 R)
• M6: 1,590,824 km (0.051 R)
• M7: 1,916,798 km (0.088 R)
• M8: 2,674,960 km (0.111 R)
• M9: 3,905,252 km (0.098 R)
• M10: 5,470,495 km (0.05 R)
• M11: 7,059,673 km (0.105 R)
• M12: 11,795,194 km (0.047 R)
• M13: 13,470,391 km (0.067 R)
• M14: 23,370,628 km (0.101 R)
• M15: 26,708,007 km (0.092 R)
• M16: 35,458,435 km (0.101 R)
• M17: 38,138,930 km (0.096 R)
• M18: 42,244,494 km (0.068 R)
• M19: 46,635,042 km (0.079 R)
• M20: 54,546,974 km (0.092 R)
• M21: 59,739,965 km (0.034 R)
• M22: 62,880,772 km (0.104 R)
• M23: 66,350,396 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507

Radius: 5.5

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 15.78 AU - 22.84 AU

Year: 29823 Days

Day: 24.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,833,938 km

• M1: 68,516 km (0.115 R)
• M2: 304,282 km (0.082 R)
• M3: 549,473 km (0.044 R)
• M4: 775,815 km (0.049 R)
• M5: 1,011,282 km (0.088 R)
• M6: 1,293,872 km (0.036 R)
• M7: 1,556,865 km (0.097 R)
• M8: 1,855,014 km (0.118 R)
• M9: 2,190,412 km (0.103 R)
• M10: 2,372,921 km (0.072 R)
• M11: 2,820,967 km (0.063 R)
• M12: 4,326,670 km (0.025 R)
• M13: 4,689,444 km (0.098 R)
• M14: 5,151,253 km (0.065 R)
• M15: 6,814,482 km (0.104 R)
• M16: 9,447,704 km (0.043 R)
• M17: 10,183,127 km (0.087 R)
• M18: 12,617,533 km (0.113 R)
• M19: 14,281,959 km (0.052 R)
• M20: 16,344,764 km (0.074 R)
• M21: 22,620,993 km (0.083 R)
• M22: 25,063,178 km (0.106 R)
• M23: 28,293,595 km (0.057 R)
• M24: 31,925,682 km (0.08 R)
• M25: 33,713,077 km (0.118 R)
• M26: 35,421,036 km (0.115 R)
• M27: 39,473,343 km (0.042 R)
• M28: 46,028,422 km (0.045 R)
• M29: 47,773,482 km (0.052 R)
• M30: 48,841,461 km (0.105 R)
• M31: 50,840,687 km (0.027 R)
• M32: 51,024,991 km (0.092 R)
• M33: 53,083,009 km (0.065 R)
• M34: 54,421,013 km (0.075 R)
• M35: 67,713,083 km (0.073 R)
• M36: 77,274,481 km (0.059 R)
• M37: 77,518,176 km (0.083 R)
• M38: 81,741,922 km (0.114 R)
• M39: 84,554,960 km (0.066 R)
• M40: 88,494,172 km (0.063 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 18,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit