🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.51 AU - 0.51 AU

Year: 139 Days

Day: 22.3 Hours

Environment

Temp: 161 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.7 AU - 0.82 AU

Year: 254 Days

Day: 32.9 Hours

Environment

Temp: 92 °C

Axial Tilt: 22 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.08 AU - 1.32 AU

Year: 503 Days

Day: 29.3 Hours

Environment

Temp: -35 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.78 AU - 1.94 AU

Year: 971 Days

Day: 30.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.68 AU - 2.42 AU

Year: 1124 Days

Day: 30.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,918,034 km

• M1: 42,037 km (0.109 R)

Asteroid Belt

Center: 6.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.2

Radius: 8.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.95 AU - 11.15 AU

Year: 13120 Days

Day: 6.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,918,034 km

• M1: 130,599 km (0.115 R)
• M2: 467,793 km (0.101 R)
• M3: 1,172,099 km (0.116 R)
• M4: 1,807,741 km (0.073 R)
• M5: 2,372,024 km (0.095 R)
• M6: 2,900,104 km (0.109 R)
• M7: 3,649,739 km (0.113 R)
• M8: 5,240,563 km (0.082 R)
• M9: 5,827,136 km (0.1 R)
• M10: 6,384,688 km (0.066 R)
• M11: 12,879,329 km (0.051 R)
• M12: 13,346,524 km (0.079 R)
• M13: 16,595,041 km (0.085 R)
• M14: 22,027,389 km (0.064 R)
• M15: 22,949,959 km (0.054 R)
• M16: 23,636,912 km (0.116 R)
• M17: 24,871,843 km (0.033 R)
• M18: 28,244,377 km (0.084 R)
• M19: 34,634,450 km (0.114 R)
• M20: 35,652,165 km (0.111 R)
• M21: 40,790,702 km (0.108 R)
• M22: 41,166,641 km (0.029 R)
• M23: 42,308,223 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.7

Radius: 13.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 9.18 AU - 12.3 AU

Year: 13476 Days

Day: 8.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,918,034 km

• M1: 238,908 km (0.037 R)
• M2: 761,453 km (0.073 R)
• M3: 1,874,761 km (0.074 R)
• M4: 2,532,692 km (0.106 R)
• M5: 3,415,619 km (0.04 R)
• M6: 4,111,847 km (0.072 R)
• M7: 4,868,812 km (0.087 R)
• M8: 5,716,883 km (0.094 R)
• M9: 6,464,573 km (0.053 R)
• M10: 7,318,627 km (0.054 R)
• M11: 10,283,507 km (0.072 R)
• M12: 16,111,691 km (0.119 R)
• M13: 16,697,666 km (0.094 R)
• M14: 21,119,629 km (0.107 R)
• M15: 22,630,567 km (0.09 R)
• M16: 29,183,852 km (0.091 R)
• M17: 31,056,668 km (0.094 R)
• M18: 38,178,873 km (0.039 R)
• M19: 40,685,834 km (0.096 R)
• M20: 42,463,206 km (0.11 R)
• M21: 44,577,772 km (0.097 R)
• M22: 48,105,589 km (0.096 R)
• M23: 54,555,950 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.2

Radius: 7.7

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 10.95 AU - 16.47 AU

Year: 19437 Days

Day: 22.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,918,034 km

• M1: 95,892 km (0.105 R)
• M2: 384,167 km (0.044 R)
• M3: 1,346,979 km (0.103 R)
• M4: 2,242,023 km (0.09 R)
• M5: 2,636,962 km (0.077 R)
• M6: 4,411,641 km (0.057 R)
• M7: 4,965,303 km (0.091 R)
• M8: 5,564,592 km (0.054 R)
• M9: 6,410,568 km (0.105 R)
• M10: 7,383,702 km (0.089 R)
• M11: 9,048,726 km (0.055 R)
• M12: 11,359,565 km (0.103 R)
• M13: 17,031,418 km (0.074 R)
• M14: 22,892,214 km (0.094 R)
• M15: 25,346,816 km (0.086 R)
• M16: 26,271,780 km (0.048 R)
• M17: 33,021,486 km (0.111 R)
• M18: 33,754,067 km (0.106 R)
• M19: 34,124,321 km (0.059 R)
• M20: 36,923,447 km (0.118 R)
• M21: 37,978,112 km (0.118 R)
• M22: 41,403,305 km (0.096 R)
• M23: 44,435,205 km (0.066 R)
• M24: 47,302,996 km (0.112 R)
• M25: 52,904,689 km (0.114 R)
• M26: 53,907,443 km (0.118 R)
• M27: 59,290,573 km (0.106 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: 221 - 12,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit