🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.57 AU - 0.85 AU

Year: 220 Days

Day: 24.6 Hours

Environment

Temp: 141 °C

Axial Tilt: 44.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 86,640,939 km

• M1: 300,841 km (0.105 R)
• M2: 313,408 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.15 AU - 1.21 AU

Year: 471 Days

Day: 19.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 86,640,939 km

• M1: 25,581 km (0.084 R)
• M2: 599,887 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.33 AU - 1.95 AU

Year: 771 Days

Day: 36.5 Hours

Environment

Temp: -49 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,640,939 km

• M1: 154,385 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.54 AU - 1.9 AU

Year: 828 Days

Day: 36.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.46 AU - 2.18 AU

Year: 901 Days

Day: 37.1 Hours

Environment

Temp: -67 °C

Axial Tilt: 85.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.46 AU - 2.34 AU

Year: 961 Days

Day: 18.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,640,939 km

• M1: 38,596 km (0.082 R)
• M2: 58,044 km (0.074 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.67 AU - 2.27 AU

Year: 1015 Days

Day: 46.2 Hours

Environment

Temp: -67 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,640,939 km

• M1: 687,402 km (0.052 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.47 AU - 2.53 AU

Year: 1451 Days

Day: 45.3 Hours

Environment

Temp: -83 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 15.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161

Radius: 4.1

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 13.98 AU - 16.32 AU

Year: 21647 Days

Day: 15.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,640,939 km

• M1: 51,013 km (0.105 R)
• M2: 570,417 km (0.091 R)
• M3: 842,386 km (0.12 R)
• M4: 1,717,384 km (0.076 R)
• M5: 5,184,913 km (0.077 R)
• M6: 6,232,098 km (0.08 R)
• M7: 6,419,394 km (0.069 R)
• M8: 6,726,967 km (0.119 R)
• M9: 7,837,432 km (0.08 R)
• M10: 9,160,476 km (0.108 R)
• M11: 11,722,489 km (0.064 R)
• M12: 13,505,995 km (0.065 R)
• M13: 18,507,800 km (0.118 R)
• M14: 19,846,252 km (0.037 R)
• M15: 20,251,812 km (0.109 R)
• M16: 21,757,963 km (0.085 R)
• M17: 24,431,277 km (0.115 R)
• M18: 33,519,946 km (0.04 R)
• M19: 44,349,635 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764

Radius: 7.5

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 15.39 AU - 16.17 AU

Year: 23011 Days

Day: 24.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,640,939 km

• M1: 93,648 km (0.12 R)
• M2: 468,092 km (0.085 R)
• M3: 1,066,034 km (0.107 R)
• M4: 2,139,250 km (0.107 R)
• M5: 2,696,651 km (0.117 R)
• M6: 5,148,560 km (0.11 R)
• M7: 8,245,685 km (0.082 R)
• M8: 8,517,504 km (0.083 R)
• M9: 8,795,158 km (0.104 R)
• M10: 10,782,416 km (0.103 R)
• M11: 13,570,621 km (0.097 R)
• M12: 14,258,323 km (0.102 R)
• M13: 19,163,936 km (0.081 R)
• M14: 30,162,371 km (0.096 R)
• M15: 30,549,082 km (0.102 R)
• M16: 34,739,618 km (0.109 R)
• M17: 38,235,720 km (0.102 R)
• M18: 48,162,885 km (0.097 R)
• M19: 55,334,756 km (0.073 R)
• M20: 55,914,149 km (0.119 R)
• M21: 62,766,779 km (0.06 R)
• M22: 66,176,862 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 11,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit