🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.84 AU - 1 AU

Year: 315 Days

Day: 15.6 Hours

Environment

Temp: 147 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,580,340 km

• M1: 155,881 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.88 AU - 1.4 AU

Year: 434 Days

Day: 26.6 Hours

Environment

Temp: 37 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.17 AU - 1.23 AU

Year: 469 Days

Day: 43.1 Hours

Environment

Temp: 27 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 61,580,340 km

• M1: 43,982 km (0.034 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.41 AU - 2.29 AU

Year: 897 Days

Day: 25.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 14.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828

Radius: 5.3

Gravity: 29.48 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 11.28 AU - 17.1 AU

Year: 19053 Days

Day: 21 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,580,340 km

• M1: 65,973 km (0.084 R)
• M2: 330,611 km (0.112 R)
• M3: 802,443 km (0.088 R)
• M4: 1,291,030 km (0.081 R)
• M5: 2,120,101 km (0.118 R)
• M6: 3,485,630 km (0.11 R)
• M7: 5,589,425 km (0.092 R)
• M8: 6,170,314 km (0.107 R)
• M9: 7,021,974 km (0.092 R)
• M10: 7,648,191 km (0.112 R)
• M11: 9,290,626 km (0.052 R)
• M12: 9,518,314 km (0.053 R)
• M13: 10,163,979 km (0.043 R)
• M14: 11,871,788 km (0.032 R)
• M15: 15,206,624 km (0.094 R)
• M16: 25,157,575 km (0.07 R)
• M17: 27,540,370 km (0.115 R)
• M18: 28,129,037 km (0.111 R)
• M19: 28,726,082 km (0.116 R)
• M20: 29,576,097 km (0.096 R)
• M21: 29,945,604 km (0.105 R)
• M22: 31,326,393 km (0.076 R)
• M23: 32,617,871 km (0.081 R)
• M24: 36,281,822 km (0.087 R)
• M25: 43,614,810 km (0.034 R)
• M26: 44,253,593 km (0.083 R)
• M27: 48,901,300 km (0.104 R)
• M28: 55,902,032 km (0.114 R)
• M29: 64,982,921 km (0.084 R)
• M30: 69,003,813 km (0.113 R)
• M31: 69,870,882 km (0.072 R)
• M32: 71,626,862 km (0.062 R)
• M33: 78,474,106 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.9

Radius: 3.6

Gravity: 20.67 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 14.92 AU - 17.52 AU

Year: 23285 Days

Day: 19.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,580,340 km

• M1: 45,777 km (0.119 R)
• M2: 380,278 km (0.107 R)
• M3: 927,806 km (0.062 R)
• M4: 1,041,351 km (0.081 R)
• M5: 1,177,036 km (0.073 R)
• M6: 1,381,237 km (0.084 R)
• M7: 1,722,919 km (0.101 R)
• M8: 2,638,158 km (0.108 R)
• M9: 4,603,874 km (0.055 R)
• M10: 8,548,322 km (0.099 R)
• M11: 9,627,072 km (0.035 R)
• M12: 10,116,107 km (0.111 R)
• M13: 11,143,396 km (0.119 R)
• M14: 13,336,501 km (0.101 R)
• M15: 13,469,792 km (0.108 R)
• M16: 14,924,332 km (0.114 R)
• M17: 16,403,855 km (0.106 R)
• M18: 16,866,113 km (0.047 R)
• M19: 17,336,897 km (0.101 R)
• M20: 19,823,513 km (0.11 R)
• M21: 23,397,705 km (0.115 R)
• M22: 28,028,507 km (0.068 R)
• M23: 29,359,031 km (0.109 R)
• M24: 31,315,322 km (0.052 R)
• M25: 32,265,269 km (0.088 R)
• M26: 33,479,405 km (0.093 R)
• M27: 44,605,747 km (0.083 R)
• M28: 45,354,334 km (0.097 R)
• M29: 48,432,011 km (0.037 R)
• M30: 55,859,995 km (0.097 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 12,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit