🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.47 AU - 0.67 AU

Year: 156 Days

Day: 23.9 Hours

Environment

Temp: 207 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.8 AU - 0.88 AU

Year: 278 Days

Day: 37.7 Hours

Environment

Temp: 180 °C

Axial Tilt: 176 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.79 AU - 0.97 AU

Year: 299 Days

Day: 23.3 Hours

Environment

Temp: 99 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.05 AU - 1.13 AU

Year: 412 Days

Day: 27.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.13 AU - 1.53 AU

Year: 555 Days

Day: 28.4 Hours

Environment

Temp: 5 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.81 AU - 2.43 AU

Year: 1116 Days

Day: 39.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,491,610 km

• M1: 63,579 km (0.068 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.32 AU - 2.44 AU

Year: 1328 Days

Day: 17.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.54 AU - 5.06 AU

Year: 3225 Days

Day: 26.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928

Radius: 11.9

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.88 AU - 6.36 AU

Year: 5475 Days

Day: 13.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,491,610 km

• M1: 154,235 km (0.113 R)
• M2: 813,364 km (0.107 R)
• M3: 1,339,200 km (0.102 R)
• M4: 2,310,090 km (0.091 R)
• M5: 2,804,511 km (0.12 R)
• M6: 3,242,085 km (0.076 R)
• M7: 5,292,473 km (0.077 R)
• M8: 5,714,190 km (0.08 R)
• M9: 6,093,720 km (0.103 R)
• M10: 6,728,912 km (0.087 R)
• M11: 7,152,723 km (0.04 R)
• M12: 9,156,437 km (0.09 R)
• M13: 9,722,066 km (0.107 R)
• M14: 12,169,188 km (0.116 R)
• M15: 12,746,636 km (0.106 R)
• M16: 16,475,513 km (0.118 R)
• M17: 17,775,967 km (0.029 R)
• M18: 19,143,591 km (0.025 R)
• M19: 19,567,401 km (0.082 R)
• M20: 20,653,931 km (0.098 R)
• M21: 21,025,083 km (0.08 R)
• M22: 26,611,068 km (0.059 R)
• M23: 28,765,427 km (0.054 R)
• M24: 29,885,167 km (0.117 R)
• M25: 30,455,733 km (0.094 R)
• M26: 35,391,565 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.7

Radius: 4.1

Gravity: 44.12 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 10.34 AU - 15.48 AU

Year: 16776 Days

Day: 16.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 105.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,491,610 km

• M1: 95,144 km (0.115 R)
• M2: 254,017 km (0.113 R)
• M3: 640,578 km (0.086 R)
• M4: 2,780,276 km (0.059 R)
• M5: 4,013,711 km (0.088 R)
• M6: 4,233,769 km (0.094 R)
• M7: 5,688,309 km (0.043 R)
• M8: 6,047,195 km (0.068 R)
• M9: 7,399,410 km (0.118 R)
• M10: 8,170,737 km (0.115 R)
• M11: 11,046,307 km (0.119 R)
• M12: 13,740,265 km (0.108 R)
• M13: 18,254,381 km (0.104 R)
• M14: 22,468,403 km (0.12 R)
• M15: 23,869,088 km (0.114 R)
• M16: 24,383,107 km (0.061 R)
• M17: 25,539,947 km (0.096 R)
• M18: 27,399,000 km (0.093 R)
• M19: 28,076,080 km (0.087 R)
• M20: 29,581,184 km (0.116 R)
• M21: 35,871,924 km (0.107 R)
• M22: 38,338,344 km (0.116 R)
• M23: 40,188,271 km (0.071 R)
• M24: 40,333,082 km (0.104 R)
• M25: 41,947,991 km (0.06 R)
• M26: 48,675,258 km (0.104 R)
• M27: 50,168,693 km (0.079 R)
• M28: 53,421,400 km (0.07 R)
• M29: 57,359,863 km (0.095 R)
• M30: 58,652,538 km (0.098 R)
• M31: 63,036,354 km (0.101 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 17,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit