🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.8 AU - 0.88 AU

Year: 287 Days

Day: 30.9 Hours

Environment

Temp: 103 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.8 AU - 1.04 AU

Year: 329 Days

Day: 21.9 Hours

Environment

Temp: 28 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 81,812,777 km

• M1: 41,887 km (0.109 R)
• M2: 500,554 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.03 AU - 2.87 AU

Year: 1430 Days

Day: 25.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.8 AU - 5.08 AU

Year: 3488 Days

Day: 16.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,812,777 km

• M1: 178,321 km (0.089 R)
• M2: 324,478 km (0.114 R)

Asteroid Belt

Center: 5.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.5

Radius: 13.4

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.37 AU - 6.53 AU

Year: 6107 Days

Day: 14.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,812,777 km

• M1: 167,250 km (0.069 R)
• M2: 592,557 km (0.05 R)
• M3: 1,263,055 km (0.108 R)
• M4: 2,164,831 km (0.07 R)
• M5: 2,994,052 km (0.077 R)
• M6: 3,951,927 km (0.054 R)
• M7: 5,163,520 km (0.074 R)
• M8: 6,001,567 km (0.095 R)
• M9: 6,750,006 km (0.096 R)
• M10: 8,310,461 km (0.088 R)
• M11: 9,066,828 km (0.12 R)
• M12: 11,259,633 km (0.104 R)
• M13: 12,452,826 km (0.107 R)
• M14: 13,219,216 km (0.086 R)
• M15: 14,075,215 km (0.11 R)
• M16: 15,459,145 km (0.107 R)
• M17: 16,216,260 km (0.114 R)
• M18: 16,669,242 km (0.1 R)
• M19: 17,197,322 km (0.113 R)
• M20: 18,566,442 km (0.112 R)
• M21: 21,212,230 km (0.098 R)
• M22: 22,385,377 km (0.072 R)
• M23: 23,849,940 km (0.102 R)
• M24: 26,699,480 km (0.11 R)
• M25: 27,789,749 km (0.074 R)
• M26: 29,768,779 km (0.047 R)
• M27: 30,351,164 km (0.098 R)
• M28: 35,395,155 km (0.045 R)
• M29: 37,605,464 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.5

Radius: 5.2

Gravity: 21.32 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 15.91 AU - 16.49 AU

Year: 24307 Days

Day: 24.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,812,777 km

• M1: 76,893 km (0.087 R)
• M2: 533,466 km (0.036 R)
• M3: 728,542 km (0.114 R)
• M4: 935,136 km (0.06 R)
• M5: 1,518,119 km (0.105 R)
• M6: 1,957,039 km (0.062 R)
• M7: 2,500,080 km (0.119 R)
• M8: 2,819,471 km (0.082 R)
• M9: 3,137,965 km (0.063 R)
• M10: 3,421,602 km (0.04 R)
• M11: 4,341,181 km (0.066 R)
• M12: 5,141,080 km (0.083 R)
• M13: 5,335,857 km (0.096 R)
• M14: 5,535,570 km (0.051 R)
• M15: 6,251,994 km (0.109 R)
• M16: 7,969,976 km (0.05 R)
• M17: 10,592,876 km (0.113 R)
• M18: 10,972,555 km (0.068 R)
• M19: 11,361,360 km (0.114 R)
• M20: 16,097,329 km (0.109 R)
• M21: 16,430,783 km (0.112 R)
• M22: 20,897,327 km (0.092 R)
• M23: 21,095,095 km (0.062 R)
• M24: 25,655,586 km (0.078 R)
• M25: 25,882,526 km (0.108 R)
• M26: 26,686,764 km (0.096 R)
• M27: 28,831,549 km (0.059 R)
• M28: 39,912,263 km (0.117 R)
• M29: 40,522,922 km (0.098 R)
• M30: 42,234,471 km (0.096 R)
• M31: 44,645,091 km (0.049 R)
• M32: 45,468,627 km (0.088 R)
• M33: 51,699,079 km (0.104 R)
• M34: 52,973,204 km (0.037 R)
• M35: 60,057,262 km (0.113 R)
• M36: 61,667,683 km (0.09 R)
• M37: 64,764,509 km (0.036 R)
• M38: 71,714,227 km (0.116 R)
• M39: 73,298,020 km (0.111 R)
• M40: 75,833,704 km (0.063 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: 546 - 11,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit