🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.43 AU - 0.69 AU

Year: 122 Days

Day: 21.2 Hours

Environment

Temp: 331 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.53 AU - 0.71 AU

Year: 142 Days

Day: 29.2 Hours

Environment

Temp: 340 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.64 AU - 1.02 AU

Year: 220 Days

Day: 38.6 Hours

Environment

Temp: 281 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.97 AU - 1.11 AU

Year: 309 Days

Day: 13 Hours

Environment

Temp: 228 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.3 AU - 3.68 AU

Year: 1507 Days

Day: 39.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 115,266,498 km

• M1: 57,894 km (0.082 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.13 AU - 6.21 AU

Year: 3936 Days

Day: 20.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.76 AU - 9.94 AU

Year: 7033 Days

Day: 13.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,266,498 km

• M1: 1,061,098 km (0.03 R)

Asteroid Belt

Center: 13.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 18.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.1

Radius: 3.2

Gravity: 34.78 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 14.78 AU - 22.5 AU

Year: 23459 Days

Day: 18.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 115,266,498 km

• M1: 41,139 km (0.07 R)
• M2: 226,342 km (0.113 R)
• M3: 536,308 km (0.048 R)
• M4: 642,972 km (0.108 R)
• M5: 1,334,263 km (0.119 R)
• M6: 1,500,915 km (0.031 R)
• M7: 2,185,625 km (0.057 R)
• M8: 5,223,509 km (0.102 R)
• M9: 5,522,555 km (0.113 R)
• M10: 12,305,472 km (0.087 R)
• M11: 14,220,923 km (0.117 R)
• M12: 16,963,651 km (0.084 R)
• M13: 17,534,965 km (0.11 R)
• M14: 19,769,508 km (0.119 R)
• M15: 37,673,381 km (0.083 R)
• M16: 47,178,232 km (0.105 R)
• M17: 51,965,812 km (0.109 R)
• M18: 58,346,311 km (0.116 R)
• M19: 59,271,724 km (0.118 R)
• M20: 59,831,668 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 23.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.1

Radius: 3.4

Gravity: 78.47 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 18.43 AU - 27.81 AU

Year: 32406 Days

Day: 16.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 115,266,498 km

• M1: 42,336 km (0.114 R)
• M2: 1,094,159 km (0.097 R)
• M3: 1,219,671 km (0.095 R)
• M4: 1,462,618 km (0.089 R)
• M5: 1,886,280 km (0.098 R)
• M6: 2,090,929 km (0.055 R)
• M7: 2,310,240 km (0.038 R)
• M8: 2,598,814 km (0.105 R)
• M9: 3,441,798 km (0.11 R)
• M10: 4,034,355 km (0.079 R)
• M11: 4,413,137 km (0.114 R)
• M12: 4,732,828 km (0.048 R)
• M13: 4,898,283 km (0.109 R)
• M14: 7,089,742 km (0.115 R)
• M15: 8,640,175 km (0.08 R)
• M16: 10,127,626 km (0.025 R)
• M17: 10,682,784 km (0.041 R)
• M18: 11,627,495 km (0.047 R)
• M19: 12,864,968 km (0.094 R)
• M20: 14,970,109 km (0.103 R)
• M21: 15,237,142 km (0.09 R)
• M22: 16,431,381 km (0.066 R)
• M23: 18,085,335 km (0.082 R)
• M24: 20,604,414 km (0.116 R)
• M25: 27,238,481 km (0.097 R)
• M26: 30,817,461 km (0.027 R)
• M27: 31,249,649 km (0.069 R)
• M28: 39,395,103 km (0.12 R)
• M29: 46,923,467 km (0.106 R)
• M30: 54,932,787 km (0.061 R)
• M31: 58,375,932 km (0.076 R)
• M32: 79,370,197 km (0.054 R)
• M33: 82,371,879 km (0.089 R)
• M34: 86,871,932 km (0.118 R)
• M35: 90,646,586 km (0.087 R)
• M36: 90,941,443 km (0.069 R)
• M37: 91,829,606 km (0.026 R)
• M38: 92,723,752 km (0.051 R)
• M39: 101,349,416 km (0.043 R)

Kuiper Belt

Range: 37.7 - 56.7 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 15,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit