🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.7 AU - 0.8 AU

Year: 240 Days

Day: 24.4 Hours

Environment

Temp: 127 °C

Axial Tilt: 13.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.02 AU - 1.56 AU

Year: 541 Days

Day: 19.2 Hours

Environment

Temp: 0 °C

Axial Tilt: 0.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.56 AU - 1.64 AU

Year: 747 Days

Day: 42 Hours

Environment

Temp: -52 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.56 AU - 2.1 AU

Year: 913 Days

Day: 43.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.7 AU - 2.8 AU

Year: 1245 Days

Day: 30.4 Hours

Environment

Temp: -78 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,924,104 km

• M1: 942,915 km (0.112 R)

Asteroid Belt

Center: 2.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.34 AU - 3.68 AU

Year: 1927 Days

Day: 22.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,924,104 km

• M1: 208,240 km (0.12 R)
• M2: 1,279,511 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.5

Radius: 10.4

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.3 AU - 6.34 AU

Year: 4527 Days

Day: 6.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,924,104 km

• M1: 129,402 km (0.102 R)
• M2: 508,334 km (0.112 R)
• M3: 907,311 km (0.112 R)
• M4: 1,540,858 km (0.039 R)
• M5: 1,964,370 km (0.109 R)
• M6: 2,661,496 km (0.043 R)
• M7: 3,142,902 km (0.109 R)
• M8: 3,556,839 km (0.114 R)
• M9: 4,375,439 km (0.071 R)
• M10: 6,111,522 km (0.091 R)
• M11: 7,834,590 km (0.069 R)
• M12: 8,302,682 km (0.101 R)
• M13: 8,981,258 km (0.027 R)
• M14: 10,068,236 km (0.099 R)
• M15: 11,976,955 km (0.106 R)
• M16: 12,991,977 km (0.083 R)
• M17: 13,342,784 km (0.111 R)
• M18: 14,863,895 km (0.117 R)
• M19: 15,358,765 km (0.098 R)
• M20: 17,267,484 km (0.103 R)
• M21: 18,185,416 km (0.104 R)
• M22: 19,590,140 km (0.097 R)
• M23: 20,588,557 km (0.051 R)
• M24: 22,758,773 km (0.078 R)
• M25: 23,195,898 km (0.112 R)
• M26: 24,312,945 km (0.085 R)
• M27: 24,693,223 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.2

Radius: 14.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.69 AU - 8.75 AU

Year: 8695 Days

Day: 8.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,924,104 km

• M1: 175,329 km (0.107 R)
• M2: 850,314 km (0.095 R)
• M3: 1,784,852 km (0.118 R)
• M4: 2,698,446 km (0.083 R)
• M5: 3,609,797 km (0.08 R)
• M6: 4,379,926 km (0.063 R)
• M7: 4,834,106 km (0.073 R)
• M8: 6,110,026 km (0.075 R)
• M9: 8,473,523 km (0.113 R)
• M10: 12,650,744 km (0.033 R)
• M11: 13,342,634 km (0.085 R)
• M12: 15,119,258 km (0.1 R)
• M13: 17,467,646 km (0.087 R)
• M14: 22,126,572 km (0.058 R)
• M15: 22,625,481 km (0.087 R)
• M16: 29,014,657 km (0.083 R)
• M17: 29,713,129 km (0.059 R)
• M18: 31,876,165 km (0.058 R)
• M19: 32,727,227 km (0.114 R)
• M20: 36,745,276 km (0.066 R)
• M21: 40,089,537 km (0.096 R)
• M22: 41,962,203 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.9

Radius: 7.3

Gravity: 15.93 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 11.53 AU - 14.03 AU

Year: 16857 Days

Day: 24.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,924,104 km

• M1: 92,751 km (0.055 R)
• M2: 367,263 km (0.066 R)
• M3: 1,085,033 km (0.114 R)
• M4: 4,214,770 km (0.069 R)
• M5: 5,334,211 km (0.088 R)
• M6: 5,681,877 km (0.094 R)
• M7: 7,798,238 km (0.091 R)
• M8: 8,297,595 km (0.118 R)
• M9: 10,331,678 km (0.04 R)
• M10: 16,460,553 km (0.079 R)
• M11: 17,872,308 km (0.084 R)
• M12: 20,277,842 km (0.093 R)
• M13: 20,651,687 km (0.077 R)
• M14: 31,311,582 km (0.064 R)
• M15: 39,809,639 km (0.103 R)
• M16: 46,578,643 km (0.062 R)
• M17: 62,536,248 km (0.113 R)
• M18: 66,358,474 km (0.106 R)
• M19: 69,483,723 km (0.114 R)
• M20: 70,120,412 km (0.087 R)
• M21: 70,760,840 km (0.034 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: 389 - 19,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit