🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.7 AU - 0.76 AU

Year: 234 Days

Day: 30.1 Hours

Environment

Temp: 127 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1 AU - 1.04 AU

Year: 386 Days

Day: 32.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.1 AU - 1.28 AU

Year: 486 Days

Day: 33.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 34.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,411,052 km

• M1: 330,611 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.29 AU - 1.47 AU

Year: 608 Days

Day: 37.1 Hours

Environment

Temp: -37 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,411,052 km

• M1: 338,989 km (0.089 R)
• M2: 435,629 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.08 AU - 2.48 AU

Year: 1290 Days

Day: 20.4 Hours

Environment

Temp: -92 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.01 AU - 3.05 AU

Year: 1508 Days

Day: 22.1 Hours

Environment

Temp: -88 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.34 AU - 3.6 AU

Year: 2422 Days

Day: 34.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,411,052 km

• M1: 258,356 km (0.051 R)
• M2: 942,616 km (0.04 R)

Asteroid Belt

Center: 6.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.2

Radius: 8.7

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.24 AU - 11.5 AU

Year: 10748 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,411,052 km

• M1: 108,159 km (0.082 R)
• M2: 395,686 km (0.04 R)
• M3: 1,874,461 km (0.093 R)
• M4: 2,744,672 km (0.079 R)
• M5: 3,409,036 km (0.081 R)
• M6: 3,806,817 km (0.037 R)
• M7: 4,507,683 km (0.112 R)
• M8: 6,475,643 km (0.095 R)
• M9: 7,256,993 km (0.087 R)
• M10: 7,648,490 km (0.072 R)
• M11: 8,426,399 km (0.051 R)
• M12: 10,138,996 km (0.106 R)
• M13: 11,421,648 km (0.073 R)
• M14: 12,011,811 km (0.052 R)
• M15: 12,746,636 km (0.108 R)
• M16: 17,955,335 km (0.089 R)
• M17: 21,288,525 km (0.059 R)
• M18: 21,911,301 km (0.062 R)
• M19: 26,514,727 km (0.106 R)
• M20: 27,653,615 km (0.114 R)
• M21: 28,502,284 km (0.117 R)
• M22: 30,699,577 km (0.069 R)
• M23: 33,007,424 km (0.076 R)
• M24: 36,936,612 km (0.042 R)
• M25: 46,745,595 km (0.06 R)
• M26: 47,646,323 km (0.111 R)
• M27: 56,448,812 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.4

Radius: 3.3

Gravity: 81.21 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 9.82 AU - 15.3 AU

Year: 16681 Days

Day: 24.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,411,052 km

• M1: 78,539 km (0.042 R)
• M2: 461,809 km (0.117 R)
• M3: 701,315 km (0.115 R)
• M4: 1,229,246 km (0.093 R)
• M5: 1,345,483 km (0.091 R)
• M6: 1,550,283 km (0.11 R)
• M7: 1,668,914 km (0.092 R)
• M8: 2,334,325 km (0.117 R)
• M9: 2,606,444 km (0.082 R)
• M10: 2,924,788 km (0.114 R)
• M11: 3,106,549 km (0.07 R)
• M12: 3,608,749 km (0.114 R)
• M13: 4,066,968 km (0.118 R)
• M14: 4,359,880 km (0.046 R)
• M15: 5,097,847 km (0.106 R)
• M16: 5,673,350 km (0.117 R)
• M17: 6,248,404 km (0.104 R)
• M18: 11,787,863 km (0.117 R)
• M19: 13,204,106 km (0.12 R)
• M20: 17,358,439 km (0.091 R)
• M21: 18,650,367 km (0.114 R)
• M22: 22,108,022 km (0.089 R)
• M23: 24,353,935 km (0.077 R)
• M24: 24,778,045 km (0.054 R)
• M25: 25,640,776 km (0.027 R)
• M26: 26,635,302 km (0.116 R)
• M27: 27,085,293 km (0.093 R)
• M28: 29,893,095 km (0.112 R)
• M29: 30,014,120 km (0.043 R)
• M30: 34,458,673 km (0.106 R)
• M31: 34,591,815 km (0.082 R)
• M32: 36,629,039 km (0.055 R)
• M33: 41,239,495 km (0.076 R)
• M34: 42,144,862 km (0.107 R)
• M35: 48,355,417 km (0.118 R)
• M36: 48,522,219 km (0.088 R)
• M37: 49,193,165 km (0.118 R)
• M38: 49,361,912 km (0.047 R)
• M39: 63,544,538 km (0.093 R)
• M40: 64,347,430 km (0.069 R)
• M41: 67,003,839 km (0.086 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 19,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit