🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.59 AU - 1.59 AU

Year: 701 Days

Day: 38.8 Hours

Environment

Temp: -17 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.51 AU - 2.19 AU

Year: 880 Days

Day: 26.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.83 AU - 1.91 AU

Year: 895 Days

Day: 21.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.92 AU - 2.46 AU

Year: 1134 Days

Day: 40.9 Hours

Environment

Temp: -68 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.43 AU - 3.29 AU

Year: 1692 Days

Day: 37.9 Hours

Environment

Temp: -88 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,601,200 km

• M1: 40,541 km (0.053 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.25 AU - 4.35 AU

Year: 2592 Days

Day: 40.6 Hours

Environment

Temp: -102 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.8

Radius: 14.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.89 AU - 6.67 AU

Year: 5506 Days

Day: 14.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,601,200 km

• M1: 183,856 km (0.038 R)
• M2: 912,248 km (0.109 R)
• M3: 1,420,432 km (0.108 R)
• M4: 2,331,632 km (0.108 R)
• M5: 2,865,547 km (0.087 R)
• M6: 3,339,324 km (0.087 R)
• M7: 3,865,759 km (0.095 R)
• M8: 4,326,819 km (0.12 R)
• M9: 5,250,586 km (0.095 R)
• M10: 6,522,318 km (0.036 R)
• M11: 7,248,316 km (0.072 R)
• M12: 8,027,571 km (0.109 R)
• M13: 8,822,983 km (0.07 R)
• M14: 10,221,723 km (0.112 R)
• M15: 10,974,500 km (0.073 R)
• M16: 11,716,356 km (0.104 R)
• M17: 13,560,748 km (0.088 R)
• M18: 16,470,576 km (0.108 R)
• M19: 17,320,292 km (0.098 R)
• M20: 18,714,394 km (0.101 R)
• M21: 20,456,910 km (0.118 R)
• M22: 22,159,484 km (0.105 R)
• M23: 23,725,325 km (0.072 R)
• M24: 25,283,985 km (0.114 R)
• M25: 28,260,235 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.2

Radius: 13.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.18 AU - 7.56 AU

Year: 6300 Days

Day: 6.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,601,200 km

• M1: 171,140 km (0.063 R)
• M2: 881,730 km (0.073 R)
• M3: 1,679,834 km (0.055 R)
• M4: 2,201,333 km (0.106 R)
• M5: 2,759,183 km (0.084 R)
• M6: 3,189,127 km (0.029 R)
• M7: 4,069,062 km (0.052 R)
• M8: 4,630,204 km (0.075 R)
• M9: 5,496,974 km (0.103 R)
• M10: 6,247,207 km (0.086 R)
• M11: 6,762,572 km (0.073 R)
• M12: 7,271,354 km (0.105 R)
• M13: 8,138,723 km (0.104 R)
• M14: 8,636,734 km (0.05 R)
• M15: 9,114,549 km (0.081 R)
• M16: 9,736,577 km (0.113 R)
• M17: 10,431,160 km (0.046 R)
• M18: 12,362,768 km (0.085 R)
• M19: 17,737,072 km (0.032 R)
• M20: 21,907,860 km (0.117 R)
• M21: 28,400,109 km (0.092 R)
• M22: 31,005,954 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.7

Radius: 7.9

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 15.65 AU - 22.01 AU

Year: 28586 Days

Day: 21.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,601,200 km

• M1: 98,585 km (0.08 R)
• M2: 600,037 km (0.075 R)
• M3: 1,121,834 km (0.117 R)
• M4: 1,726,659 km (0.041 R)
• M5: 2,123,841 km (0.115 R)
• M6: 4,046,174 km (0.056 R)
• M7: 5,911,061 km (0.047 R)
• M8: 6,910,674 km (0.109 R)
• M9: 7,913,578 km (0.064 R)
• M10: 15,382,999 km (0.076 R)
• M11: 22,292,177 km (0.075 R)
• M12: 22,715,539 km (0.117 R)
• M13: 30,629,266 km (0.066 R)
• M14: 34,559,801 km (0.108 R)
• M15: 40,987,423 km (0.048 R)
• M16: 42,913,795 km (0.109 R)
• M17: 48,698,445 km (0.109 R)
• M18: 51,776,571 km (0.079 R)
• M19: 55,367,668 km (0.118 R)
• M20: 58,117,576 km (0.1 R)
• M21: 59,526,040 km (0.088 R)
• M22: 61,993,358 km (0.116 R)
• M23: 62,830,657 km (0.077 R)
• M24: 70,255,050 km (0.101 R)
• M25: 80,951,896 km (0.104 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 19,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit