🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.86 AU - 1.08 AU

Year: 339 Days

Day: 21.5 Hours

Environment

Temp: 90 °C

Axial Tilt: 7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.01 AU - 1.45 AU

Year: 484 Days

Day: 27.7 Hours

Environment

Temp: 2 °C

Axial Tilt: 15.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 84,605,432 km

• M1: 752,926 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.75 AU - 3.21 AU

Year: 1825 Days

Day: 31.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.3

Radius: 13.1

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.73 AU - 6.87 AU

Year: 4955 Days

Day: 6.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,605,432 km

• M1: 163,062 km (0.048 R)
• M2: 588,817 km (0.072 R)
• M3: 1,192,295 km (0.101 R)
• M4: 1,976,337 km (0.051 R)
• M5: 2,816,778 km (0.092 R)
• M6: 4,005,483 km (0.073 R)
• M7: 5,129,262 km (0.092 R)
• M8: 7,382,057 km (0.095 R)
• M9: 8,709,738 km (0.065 R)
• M10: 9,137,588 km (0.116 R)
• M11: 9,579,500 km (0.118 R)
• M12: 10,113,115 km (0.078 R)
• M13: 10,828,343 km (0.032 R)
• M14: 11,240,036 km (0.114 R)
• M15: 11,662,201 km (0.089 R)
• M16: 14,422,581 km (0.097 R)
• M17: 15,744,278 km (0.075 R)
• M18: 17,819,201 km (0.113 R)
• M19: 18,863,244 km (0.111 R)
• M20: 19,460,738 km (0.092 R)
• M21: 20,318,233 km (0.062 R)
• M22: 21,522,197 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.7

Radius: 12.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.55 AU - 8.31 AU

Year: 6472 Days

Day: 8.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,605,432 km

• M1: 155,432 km (0.101 R)
• M2: 733,478 km (0.118 R)
• M3: 1,206,806 km (0.058 R)
• M4: 3,010,208 km (0.053 R)
• M5: 3,426,240 km (0.116 R)
• M6: 6,008,598 km (0.073 R)
• M7: 7,011,951 km (0.11 R)
• M8: 7,908,491 km (0.112 R)
• M9: 8,651,245 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 12.4

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.37 AU - 9.25 AU

Year: 7743 Days

Day: 6.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,605,432 km

• M1: 154,983 km (0.08 R)
• M2: 899,682 km (0.042 R)
• M3: 1,286,242 km (0.098 R)
• M4: 1,816,717 km (0.056 R)
• M5: 2,603,302 km (0.12 R)
• M6: 3,824,170 km (0.094 R)
• M7: 4,849,365 km (0.078 R)
• M8: 6,904,391 km (0.071 R)
• M9: 8,809,370 km (0.046 R)
• M10: 10,839,413 km (0.083 R)
• M11: 11,615,975 km (0.114 R)
• M12: 13,631,059 km (0.072 R)
• M13: 14,535,827 km (0.115 R)
• M14: 16,599,829 km (0.099 R)
• M15: 17,491,581 km (0.033 R)
• M16: 18,127,522 km (0.102 R)
• M17: 19,823,064 km (0.084 R)
• M18: 22,436,988 km (0.095 R)
• M19: 23,869,687 km (0.111 R)
• M20: 24,917,171 km (0.082 R)
• M21: 27,479,932 km (0.115 R)
• M22: 30,618,795 km (0.034 R)
• M23: 34,647,465 km (0.093 R)
• M24: 37,134,530 km (0.03 R)
• M25: 38,067,721 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.2

Radius: 5.1

Gravity: 16.46 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 15.89 AU - 22.35 AU

Year: 29660 Days

Day: 23 Hours

Environment

Temp: -206 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,605,432 km

• M1: 63,429 km (0.053 R)
• M2: 290,519 km (0.088 R)
• M3: 532,269 km (0.095 R)
• M4: 1,174,642 km (0.069 R)
• M5: 1,416,393 km (0.094 R)
• M6: 2,705,926 km (0.079 R)
• M7: 3,595,734 km (0.117 R)
• M8: 6,599,211 km (0.109 R)
• M9: 7,767,271 km (0.053 R)
• M10: 9,471,640 km (0.04 R)
• M11: 9,708,303 km (0.104 R)
• M12: 12,507,878 km (0.063 R)
• M13: 18,599,802 km (0.105 R)
• M14: 20,114,780 km (0.107 R)
• M15: 28,444,390 km (0.091 R)
• M16: 31,487,210 km (0.108 R)
• M17: 35,587,089 km (0.093 R)
• M18: 36,303,364 km (0.082 R)
• M19: 37,764,337 km (0.108 R)
• M20: 41,745,884 km (0.037 R)
• M21: 55,351,511 km (0.115 R)
• M22: 65,253,394 km (0.036 R)
• M23: 67,627,662 km (0.07 R)
• M24: 82,592,685 km (0.098 R)

Kuiper Belt

Range: 30.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 18,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit