🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.7 AU - 0.7 AU

Year: 224 Days

Day: 14.6 Hours

Environment

Temp: 182 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 91,342,564 km

• M1: 36,502 km (0.067 R)
• M2: 317,746 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.54 AU - 0.88 AU

Year: 229 Days

Day: 29.5 Hours

Environment

Temp: 130 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.7 AU - 0.94 AU

Year: 284 Days

Day: 35.2 Hours

Environment

Temp: 28 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.07 AU - 1.07 AU

Year: 424 Days

Day: 36 Hours

Environment

Temp: -15 °C

Axial Tilt: 1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.93 AU - 1.33 AU

Year: 460 Days

Day: 39.4 Hours

Environment

Temp: -13 °C

Axial Tilt: 49.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 4.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.3

Radius: 13.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.2 AU - 7.98 AU

Year: 7228 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,342,564 km

• M1: 175,179 km (0.075 R)
• M2: 829,670 km (0.081 R)
• M3: 1,646,773 km (0.078 R)
• M4: 2,283,013 km (0.098 R)
• M5: 2,815,133 km (0.041 R)
• M6: 5,137,939 km (0.103 R)
• M7: 6,869,833 km (0.032 R)
• M8: 7,630,539 km (0.08 R)
• M9: 8,113,291 km (0.118 R)
• M10: 8,963,755 km (0.115 R)
• M11: 11,505,871 km (0.114 R)
• M12: 14,556,920 km (0.102 R)
• M13: 15,238,937 km (0.049 R)
• M14: 17,970,594 km (0.099 R)
• M15: 19,046,950 km (0.066 R)
• M16: 19,713,110 km (0.103 R)
• M17: 24,127,294 km (0.117 R)
• M18: 27,724,225 km (0.107 R)
• M19: 29,355,889 km (0.084 R)
• M20: 31,254,436 km (0.085 R)

Asteroid Belt

Center: 10.97 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.9

Radius: 5.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.4 AU - 17.3 AU

Year: 21911 Days

Day: 16.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,342,564 km

• M1: 65,673 km (0.091 R)
• M2: 247,435 km (0.117 R)
• M3: 472,280 km (0.073 R)
• M4: 1,085,482 km (0.108 R)
• M5: 1,598,902 km (0.098 R)
• M6: 2,451,610 km (0.106 R)
• M7: 2,847,745 km (0.087 R)
• M8: 3,051,647 km (0.099 R)
• M9: 4,198,614 km (0.09 R)
• M10: 4,439,018 km (0.12 R)
• M11: 4,612,551 km (0.112 R)
• M12: 6,417,599 km (0.117 R)
• M13: 6,834,678 km (0.045 R)
• M14: 8,120,472 km (0.054 R)
• M15: 9,559,603 km (0.076 R)
• M16: 13,185,108 km (0.088 R)
• M17: 13,493,130 km (0.087 R)
• M18: 15,726,925 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.1

Radius: 7.5

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 14.38 AU - 21 AU

Year: 28488 Days

Day: 23.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,342,564 km

• M1: 93,349 km (0.109 R)
• M2: 395,088 km (0.076 R)
• M3: 709,393 km (0.047 R)
• M4: 1,277,566 km (0.04 R)
• M5: 1,909,318 km (0.117 R)
• M6: 3,462,742 km (0.115 R)
• M7: 4,421,963 km (0.087 R)
• M8: 4,715,325 km (0.025 R)
• M9: 5,260,160 km (0.12 R)
• M10: 6,065,595 km (0.065 R)
• M11: 6,902,147 km (0.096 R)
• M12: 7,552,598 km (0.119 R)
• M13: 8,859,784 km (0.11 R)
• M14: 11,636,919 km (0.066 R)
• M15: 12,849,709 km (0.042 R)
• M16: 13,988,149 km (0.068 R)
• M17: 14,864,643 km (0.028 R)
• M18: 16,204,142 km (0.108 R)
• M19: 17,170,544 km (0.096 R)
• M20: 17,440,569 km (0.089 R)
• M21: 20,000,936 km (0.115 R)
• M22: 20,400,362 km (0.098 R)
• M23: 22,157,689 km (0.102 R)
• M24: 22,585,539 km (0.084 R)
• M25: 26,327,131 km (0.117 R)
• M26: 27,537,677 km (0.101 R)
• M27: 28,281,627 km (0.045 R)
• M28: 30,462,166 km (0.101 R)
• M29: 33,168,092 km (0.102 R)
• M30: 35,445,121 km (0.114 R)
• M31: 37,672,484 km (0.074 R)
• M32: 38,897,840 km (0.092 R)
• M33: 40,149,525 km (0.073 R)
• M34: 44,912,123 km (0.093 R)
• M35: 63,988,544 km (0.089 R)
• M36: 67,728,790 km (0.097 R)
• M37: 85,451,650 km (0.056 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 15,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit