🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.98 AU - 1.04 AU

Year: 373 Days

Day: 41.2 Hours

Environment

Temp: 28 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.28 AU - 1.42 AU

Year: 576 Days

Day: 33 Hours

Environment

Temp: -15 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.05 AU - 1.75 AU

Year: 608 Days

Day: 21.5 Hours

Environment

Temp: -30 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.38 AU - 1.8 AU

Year: 736 Days

Day: 16.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.34 AU - 2.02 AU

Year: 799 Days

Day: 15.9 Hours

Environment

Temp: -45 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,013,275 km

• M1: 169,794 km (0.042 R)
• M2: 592,108 km (0.067 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.17 AU - 2.45 AU

Year: 1289 Days

Day: 17.8 Hours

Environment

Temp: -90 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,013,275 km

• M1: 23,936 km (0.093 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.21 AU - 3.51 AU

Year: 1776 Days

Day: 40.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284

Radius: 8.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.15 AU - 7.93 AU

Year: 6857 Days

Day: 13.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,013,275 km

• M1: 111,151 km (0.106 R)
• M2: 488,587 km (0.119 R)
• M3: 1,132,905 km (0.063 R)
• M4: 1,570,478 km (0.082 R)
• M5: 2,004,611 km (0.089 R)
• M6: 3,508,968 km (0.085 R)
• M7: 3,936,070 km (0.114 R)
• M8: 4,567,223 km (0.069 R)
• M9: 5,156,639 km (0.12 R)
• M10: 5,596,008 km (0.117 R)
• M11: 5,971,199 km (0.092 R)
• M12: 7,299,479 km (0.119 R)
• M13: 7,854,038 km (0.101 R)
• M14: 8,969,290 km (0.063 R)
• M15: 9,851,917 km (0.085 R)
• M16: 11,465,031 km (0.109 R)
• M17: 12,166,795 km (0.12 R)
• M18: 13,604,131 km (0.087 R)
• M19: 15,206,773 km (0.117 R)
• M20: 15,938,905 km (0.102 R)
• M21: 17,051,016 km (0.088 R)
• M22: 21,177,972 km (0.032 R)
• M23: 22,448,806 km (0.082 R)
• M24: 23,471,756 km (0.073 R)
• M25: 23,844,554 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.2

Radius: 4.6

Gravity: 20.9 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 10.23 AU - 14.69 AU

Year: 16145 Days

Day: 21.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,013,275 km

• M1: 57,146 km (0.118 R)
• M2: 245,640 km (0.068 R)
• M3: 607,667 km (0.076 R)
• M4: 1,035,367 km (0.051 R)
• M5: 1,307,485 km (0.084 R)
• M6: 1,803,702 km (0.079 R)
• M7: 3,060,772 km (0.079 R)
• M8: 3,282,177 km (0.083 R)
• M9: 3,925,448 km (0.116 R)
• M10: 4,217,014 km (0.07 R)
• M11: 4,843,081 km (0.114 R)
• M12: 5,110,114 km (0.079 R)
• M13: 7,836,834 km (0.107 R)
• M14: 8,019,643 km (0.037 R)
• M15: 8,976,022 km (0.109 R)
• M16: 10,885,040 km (0.119 R)
• M17: 11,994,308 km (0.115 R)
• M18: 14,571,880 km (0.065 R)
• M19: 18,849,182 km (0.091 R)
• M20: 21,139,226 km (0.092 R)
• M21: 26,878,399 km (0.059 R)
• M22: 27,503,718 km (0.083 R)
• M23: 32,038,927 km (0.045 R)
• M24: 35,531,439 km (0.117 R)
• M25: 40,209,514 km (0.115 R)
• M26: 41,578,185 km (0.107 R)
• M27: 43,261,311 km (0.098 R)
• M28: 43,689,011 km (0.084 R)
• M29: 46,018,100 km (0.086 R)
• M30: 47,818,361 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 17,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit