🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.7 AU - 0.94 AU

Year: 263 Days

Day: 29.1 Hours

Environment

Temp: 147 °C

Axial Tilt: 74 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 115,193,542 km

• M1: 428,747 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.98 AU - 1.32 AU

Year: 438 Days

Day: 15.5 Hours

Environment

Temp: 26 °C

Axial Tilt: 15.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.66 AU - 2.48 AU

Year: 1057 Days

Day: 43.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,193,542 km

• M1: 39,643 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.1 AU - 2.1 AU

Year: 1080 Days

Day: 29.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 115,193,542 km

• M1: 137,181 km (0.1 R)
• M2: 866,920 km (0.036 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.15 AU - 3.15 AU

Year: 1530 Days

Day: 32 Hours

Environment

Temp: -87 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 115,193,542 km

• M1: 46,076 km (0.1 R)
• M2: 393,891 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.6

Radius: 5.8

Gravity: 25.05 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 10.92 AU - 16.96 AU

Year: 18464 Days

Day: 19.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 115,193,542 km

• M1: 73,004 km (0.077 R)
• M2: 1,221,766 km (0.06 R)
• M3: 1,592,170 km (0.1 R)
• M4: 2,095,268 km (0.028 R)
• M5: 2,485,868 km (0.066 R)
• M6: 2,872,728 km (0.112 R)
• M7: 3,080,669 km (0.09 R)
• M8: 4,376,935 km (0.112 R)
• M9: 5,472,889 km (0.047 R)
• M10: 7,109,340 km (0.116 R)
• M11: 7,638,018 km (0.104 R)
• M12: 8,991,730 km (0.04 R)
• M13: 9,269,234 km (0.076 R)
• M14: 9,841,595 km (0.116 R)
• M15: 10,743,820 km (0.106 R)
• M16: 12,368,004 km (0.104 R)
• M17: 13,202,910 km (0.114 R)
• M18: 14,830,086 km (0.088 R)
• M19: 17,258,209 km (0.053 R)
• M20: 19,566,504 km (0.103 R)
• M21: 21,674,039 km (0.026 R)
• M22: 23,717,097 km (0.11 R)
• M23: 29,867,813 km (0.075 R)
• M24: 32,651,530 km (0.086 R)
• M25: 33,307,517 km (0.079 R)
• M26: 35,053,923 km (0.035 R)
• M27: 36,578,774 km (0.116 R)
• M28: 37,286,222 km (0.056 R)
• M29: 39,759,972 km (0.106 R)
• M30: 41,112,786 km (0.087 R)
• M31: 44,388,381 km (0.096 R)
• M32: 47,330,822 km (0.12 R)
• M33: 53,058,625 km (0.115 R)
• M34: 54,697,320 km (0.113 R)
• M35: 58,075,240 km (0.114 R)
• M36: 59,620,137 km (0.053 R)
• M37: 63,196,124 km (0.103 R)
• M38: 65,243,222 km (0.086 R)
• M39: 66,492,364 km (0.092 R)
• M40: 68,182,820 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.3

Radius: 7.3

Gravity: 17.72 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 18.08 AU - 21.92 AU

Year: 31731 Days

Day: 21.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 115,193,542 km

• M1: 92,302 km (0.065 R)
• M2: 332,107 km (0.067 R)
• M3: 1,437,187 km (0.098 R)
• M4: 2,281,667 km (0.11 R)
• M5: 3,292,799 km (0.09 R)
• M6: 4,983,703 km (0.099 R)
• M7: 8,740,854 km (0.04 R)
• M8: 10,371,172 km (0.099 R)
• M9: 10,649,573 km (0.071 R)
• M10: 10,933,061 km (0.117 R)
• M11: 11,294,490 km (0.041 R)
• M12: 11,889,141 km (0.083 R)
• M13: 12,504,587 km (0.079 R)
• M14: 20,631,342 km (0.101 R)
• M15: 26,474,784 km (0.118 R)
• M16: 27,656,009 km (0.09 R)
• M17: 37,086,958 km (0.094 R)
• M18: 41,113,534 km (0.107 R)
• M19: 42,163,861 km (0.083 R)
• M20: 58,362,916 km (0.112 R)
• M21: 59,244,646 km (0.06 R)
• M22: 63,091,556 km (0.104 R)
• M23: 69,046,149 km (0.077 R)
• M24: 95,084,407 km (0.114 R)
• M25: 98,777,080 km (0.094 R)
• M26: 104,493,514 km (0.116 R)
• M27: 108,424,647 km (0.055 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 11,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit