🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.69 AU - 0.69 AU

Year: 219 Days

Day: 20 Hours

Environment

Temp: 111 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.92 AU - 0.94 AU

Year: 343 Days

Day: 39.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,066,545 km

• M1: 80,932 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.86 AU - 1.02 AU

Year: 349 Days

Day: 21.3 Hours

Environment

Temp: 28 °C

Axial Tilt: 49.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.98 AU - 1.16 AU

Year: 424 Days

Day: 32.6 Hours

Environment

Temp: 13 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.74 AU - 3.88 AU

Year: 2306 Days

Day: 36.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,066,545 km

• M1: 10,322 km (0.102 R)
• M2: 155,283 km (0.092 R)

Asteroid Belt

Center: 5.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.7

Radius: 10.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.15 AU - 8.25 AU

Year: 7397 Days

Day: 7.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,066,545 km

• M1: 129,402 km (0.095 R)
• M2: 591,360 km (0.098 R)
• M3: 1,288,337 km (0.114 R)
• M4: 1,836,912 km (0.047 R)
• M5: 3,196,607 km (0.114 R)
• M6: 3,635,677 km (0.113 R)
• M7: 4,283,735 km (0.053 R)
• M8: 8,102,969 km (0.099 R)
• M9: 10,101,297 km (0.087 R)
• M10: 11,380,359 km (0.09 R)
• M11: 12,408,395 km (0.071 R)
• M12: 13,958,529 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 10.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.96 AU - 10.3 AU

Year: 11442 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,066,545 km

• M1: 148,850 km (0.049 R)
• M2: 581,637 km (0.072 R)
• M3: 1,715,140 km (0.114 R)
• M4: 2,171,114 km (0.086 R)
• M5: 2,570,241 km (0.063 R)
• M6: 4,288,373 km (0.091 R)
• M7: 4,952,288 km (0.085 R)
• M8: 5,988,403 km (0.092 R)
• M9: 8,751,027 km (0.049 R)
• M10: 11,880,913 km (0.094 R)
• M11: 13,130,355 km (0.063 R)
• M12: 14,154,352 km (0.108 R)
• M13: 16,360,771 km (0.104 R)
• M14: 17,760,858 km (0.112 R)
• M15: 18,269,341 km (0.087 R)
• M16: 18,937,295 km (0.117 R)
• M17: 20,086,656 km (0.119 R)
• M18: 34,364,875 km (0.092 R)
• M19: 39,042,651 km (0.11 R)
• M20: 39,409,764 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960

Radius: 3.6

Gravity: 74.07 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 12.24 AU - 15.68 AU

Year: 19971 Days

Day: 16.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 85,066,545 km

• M1: 61,335 km (0.068 R)
• M2: 240,254 km (0.082 R)
• M3: 440,715 km (0.118 R)
• M4: 609,761 km (0.047 R)
• M5: 1,373,308 km (0.093 R)
• M6: 1,774,680 km (0.097 R)
• M7: 2,012,989 km (0.084 R)
• M8: 2,883,349 km (0.117 R)
• M9: 3,327,805 km (0.045 R)
• M10: 3,658,865 km (0.064 R)
• M11: 3,880,718 km (0.097 R)
• M12: 4,896,638 km (0.071 R)
• M13: 7,140,157 km (0.053 R)
• M14: 7,844,164 km (0.099 R)
• M15: 8,053,452 km (0.105 R)
• M16: 8,374,489 km (0.083 R)
• M17: 9,925,520 km (0.041 R)
• M18: 11,125,145 km (0.098 R)
• M19: 11,793,847 km (0.065 R)
• M20: 12,630,997 km (0.085 R)
• M21: 12,846,418 km (0.032 R)
• M22: 14,658,347 km (0.087 R)
• M23: 20,802,033 km (0.07 R)
• M24: 25,160,866 km (0.089 R)
• M25: 28,710,225 km (0.084 R)
• M26: 33,941,962 km (0.104 R)
• M27: 36,490,361 km (0.032 R)
• M28: 40,082,505 km (0.07 R)
• M29: 42,764,795 km (0.103 R)
• M30: 46,580,887 km (0.118 R)
• M31: 47,439,430 km (0.074 R)
• M32: 51,525,097 km (0.111 R)
• M33: 53,746,925 km (0.064 R)
• M34: 62,439,758 km (0.104 R)
• M35: 64,326,187 km (0.113 R)
• M36: 65,604,650 km (0.076 R)
• M37: 73,170,712 km (0.089 R)
• M38: 80,803,794 km (0.105 R)
• M39: 82,291,545 km (0.097 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 20,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit