🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.5 AU - 0.64 AU

Year: 160 Days

Day: 22.2 Hours

Environment

Temp: 196 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.49 AU - 0.71 AU

Year: 172 Days

Day: 44.4 Hours

Environment

Temp: 165 °C

Axial Tilt: 43.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.92 AU - 1.34 AU

Year: 445 Days

Day: 15.9 Hours

Environment

Temp: -2 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,888,735 km

• M1: 780,901 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.18 AU - 1.42 AU

Year: 550 Days

Day: 41.2 Hours

Environment

Temp: -15 °C

Axial Tilt: 29.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.9

Radius: 12.1

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.7 AU - 5.28 AU

Year: 4134 Days

Day: 7.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,888,735 km

• M1: 151,243 km (0.104 R)
• M2: 607,966 km (0.06 R)
• M3: 1,111,363 km (0.092 R)
• M4: 1,501,813 km (0.099 R)
• M5: 1,972,149 km (0.057 R)
• M6: 2,829,195 km (0.064 R)
• M7: 3,373,432 km (0.116 R)
• M8: 4,054,401 km (0.065 R)
• M9: 4,980,113 km (0.074 R)
• M10: 5,493,383 km (0.066 R)
• M11: 6,531,443 km (0.064 R)
• M12: 7,080,916 km (0.078 R)
• M13: 8,309,563 km (0.116 R)
• M14: 9,512,181 km (0.071 R)
• M15: 10,007,798 km (0.108 R)
• M16: 11,926,541 km (0.102 R)
• M17: 13,250,183 km (0.088 R)
• M18: 15,500,434 km (0.105 R)
• M19: 17,195,826 km (0.118 R)
• M20: 19,932,719 km (0.073 R)
• M21: 21,580,540 km (0.051 R)
• M22: 23,615,520 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.6

Radius: 13.4

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.43 AU - 6.79 AU

Year: 4928 Days

Day: 9.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,888,735 km

• M1: 166,652 km (0.073 R)
• M2: 642,972 km (0.12 R)
• M3: 1,344,885 km (0.09 R)
• M4: 1,951,504 km (0.107 R)
• M5: 3,420,855 km (0.104 R)
• M6: 4,264,886 km (0.063 R)
• M7: 5,562,198 km (0.025 R)
• M8: 6,596,817 km (0.061 R)
• M9: 7,355,279 km (0.086 R)
• M10: 9,170,649 km (0.076 R)
• M11: 9,678,533 km (0.073 R)
• M12: 13,778,263 km (0.1 R)
• M13: 15,845,556 km (0.071 R)
• M14: 16,890,348 km (0.103 R)
• M15: 20,803,229 km (0.098 R)
• M16: 22,357,701 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.7

Radius: 7.6

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 13.07 AU - 18.31 AU

Year: 23048 Days

Day: 23 Hours

Environment

Temp: -193 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,888,735 km

• M1: 94,695 km (0.104 R)
• M2: 695,780 km (0.07 R)
• M3: 1,659,639 km (0.062 R)
• M4: 2,055,325 km (0.056 R)
• M5: 2,935,709 km (0.086 R)
• M6: 3,243,431 km (0.111 R)
• M7: 4,108,556 km (0.082 R)
• M8: 5,490,242 km (0.111 R)
• M9: 7,669,434 km (0.09 R)
• M10: 8,106,260 km (0.075 R)
• M11: 9,029,877 km (0.063 R)
• M12: 9,795,369 km (0.101 R)
• M13: 11,897,519 km (0.085 R)
• M14: 14,283,455 km (0.093 R)
• M15: 20,251,363 km (0.105 R)
• M16: 21,274,612 km (0.109 R)
• M17: 24,343,014 km (0.099 R)
• M18: 26,801,805 km (0.104 R)
• M19: 27,581,808 km (0.07 R)
• M20: 29,656,880 km (0.119 R)
• M21: 30,012,624 km (0.059 R)
• M22: 30,974,987 km (0.103 R)
• M23: 32,582,566 km (0.095 R)
• M24: 32,834,788 km (0.031 R)
• M25: 35,031,184 km (0.103 R)
• M26: 41,020,185 km (0.109 R)
• M27: 41,314,294 km (0.025 R)
• M28: 43,412,404 km (0.098 R)
• M29: 45,109,892 km (0.05 R)
• M30: 46,531,370 km (0.041 R)
• M31: 48,801,369 km (0.074 R)
• M32: 50,467,440 km (0.084 R)
• M33: 53,211,364 km (0.093 R)
• M34: 56,415,302 km (0.067 R)
• M35: 61,266,910 km (0.119 R)
• M36: 62,037,190 km (0.098 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 12,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit