🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.59 AU - 0.91 AU

Year: 246 Days

Day: 13.7 Hours

Environment

Temp: 123 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 110,900,898 km

• M1: 40,691 km (0.079 R)
• M2: 169,943 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.92 AU - 1.18 AU

Year: 408 Days

Day: 17.6 Hours

Environment

Temp: 9 °C

Axial Tilt: 25.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 110,900,898 km

• M1: 77,492 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.91 AU - 1.33 AU

Year: 449 Days

Day: 34 Hours

Environment

Temp: -1 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 110,900,898 km

• M1: 109,506 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.94 AU - 1.44 AU

Year: 492 Days

Day: 14.4 Hours

Environment

Temp: -5 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.66 AU - 3.54 AU

Year: 2067 Days

Day: 36.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.7

Radius: 10.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.25 AU - 4.77 AU

Year: 3628 Days

Day: 9.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 110,900,898 km

• M1: 135,835 km (0.116 R)
• M2: 826,229 km (0.029 R)
• M3: 2,515,787 km (0.032 R)
• M4: 2,980,438 km (0.056 R)
• M5: 3,485,331 km (0.081 R)
• M6: 6,679,395 km (0.105 R)
• M7: 8,427,746 km (0.115 R)
• M8: 9,020,004 km (0.051 R)
• M9: 10,148,869 km (0.114 R)
• M10: 10,747,410 km (0.102 R)
• M11: 11,444,088 km (0.084 R)
• M12: 13,547,284 km (0.106 R)
• M13: 15,296,681 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.3

Radius: 8

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 13.25 AU - 17.41 AU

Year: 22733 Days

Day: 21.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 110,900,898 km

• M1: 102,774 km (0.071 R)
• M2: 415,134 km (0.093 R)
• M3: 844,480 km (0.108 R)
• M4: 1,550,732 km (0.046 R)
• M5: 2,283,163 km (0.093 R)
• M6: 2,558,423 km (0.116 R)
• M7: 3,176,561 km (0.109 R)
• M8: 3,439,405 km (0.112 R)
• M9: 4,380,375 km (0.104 R)
• M10: 4,945,257 km (0.106 R)
• M11: 6,718,291 km (0.053 R)
• M12: 7,332,839 km (0.104 R)
• M13: 8,226,237 km (0.108 R)
• M14: 8,878,185 km (0.032 R)
• M15: 9,402,675 km (0.082 R)
• M16: 14,511,592 km (0.06 R)
• M17: 15,018,579 km (0.11 R)
• M18: 21,214,474 km (0.108 R)
• M19: 25,231,177 km (0.094 R)
• M20: 26,389,364 km (0.03 R)
• M21: 27,914,065 km (0.088 R)
• M22: 28,697,958 km (0.075 R)
• M23: 31,138,049 km (0.084 R)
• M24: 32,469,919 km (0.081 R)
• M25: 33,713,227 km (0.028 R)
• M26: 36,692,618 km (0.055 R)
• M27: 41,411,832 km (0.091 R)
• M28: 42,431,342 km (0.098 R)
• M29: 49,550,256 km (0.106 R)
• M30: 51,697,733 km (0.107 R)
• M31: 53,906,246 km (0.071 R)
• M32: 54,598,286 km (0.09 R)
• M33: 63,755,471 km (0.048 R)
• M34: 65,309,643 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.8

Radius: 7.6

Gravity: 17.15 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 15.31 AU - 20.97 AU

Year: 29262 Days

Day: 17.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 110,900,898 km

• M1: 94,845 km (0.09 R)
• M2: 361,129 km (0.096 R)
• M3: 980,913 km (0.092 R)
• M4: 1,551,031 km (0.105 R)
• M5: 1,931,907 km (0.118 R)
• M6: 3,395,572 km (0.103 R)
• M7: 6,079,209 km (0.077 R)
• M8: 6,516,932 km (0.103 R)
• M9: 9,341,639 km (0.117 R)
• M10: 10,463,473 km (0.061 R)
• M11: 14,028,540 km (0.106 R)
• M12: 16,037,041 km (0.048 R)
• M13: 17,933,194 km (0.044 R)
• M14: 19,037,227 km (0.117 R)
• M15: 22,506,401 km (0.081 R)
• M16: 23,671,469 km (0.093 R)
• M17: 25,121,970 km (0.09 R)
• M18: 29,005,830 km (0.116 R)
• M19: 35,865,940 km (0.106 R)
• M20: 38,264,293 km (0.117 R)
• M21: 44,091,878 km (0.089 R)
• M22: 51,473,785 km (0.107 R)
• M23: 60,966,368 km (0.105 R)
• M24: 98,435,549 km (0.104 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: 362 - 13,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit