🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.64 AU - 0.78 AU

Year: 221 Days

Day: 47.1 Hours

Environment

Temp: 128 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.82 AU - 1.3 AU

Year: 403 Days

Day: 21.5 Hours

Environment

Temp: 31 °C

Axial Tilt: 115.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.8 AU - 2.22 AU

Year: 1051 Days

Day: 25.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,396,758 km

• M1: 54,454 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.92 AU - 3.12 AU

Year: 1936 Days

Day: 46.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.56 AU - 3.9 AU

Year: 2658 Days

Day: 12.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,396,758 km

• M1: 1,151,904 km (0.047 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.79 AU - 4.15 AU

Year: 2919 Days

Day: 46.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.7

Radius: 14.1

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.23 AU - 5.69 AU

Year: 4707 Days

Day: 7.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 88,396,758 km

• M1: 450,589 km (0.096 R)
• M2: 930,648 km (0.088 R)
• M3: 1,580,502 km (0.074 R)
• M4: 5,013,025 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657

Radius: 11.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.36 AU - 11.68 AU

Year: 10838 Days

Day: 9.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,396,758 km

• M1: 148,401 km (0.11 R)
• M2: 663,167 km (0.095 R)
• M3: 1,855,014 km (0.088 R)
• M4: 2,335,372 km (0.086 R)
• M5: 3,378,518 km (0.07 R)
• M6: 3,938,463 km (0.079 R)
• M7: 4,559,594 km (0.107 R)
• M8: 4,956,626 km (0.077 R)
• M9: 5,443,717 km (0.092 R)
• M10: 7,220,940 km (0.096 R)
• M11: 8,649,001 km (0.09 R)
• M12: 9,164,515 km (0.099 R)
• M13: 9,552,273 km (0.078 R)
• M14: 10,412,760 km (0.104 R)
• M15: 12,641,319 km (0.063 R)
• M16: 13,867,274 km (0.05 R)
• M17: 14,771,593 km (0.111 R)
• M18: 16,697,666 km (0.099 R)
• M19: 20,544,575 km (0.099 R)
• M20: 21,976,825 km (0.088 R)
• M21: 24,386,996 km (0.043 R)
• M22: 26,088,373 km (0.056 R)
• M23: 26,869,573 km (0.066 R)
• M24: 27,365,639 km (0.113 R)
• M25: 28,273,848 km (0.07 R)
• M26: 28,890,490 km (0.071 R)
• M27: 39,376,852 km (0.101 R)
• M28: 44,280,671 km (0.043 R)
• M29: 48,397,754 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639

Radius: 6.3

Gravity: 16.1 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 16.93 AU - 17.13 AU

Year: 25930 Days

Day: 23.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,396,758 km

• M1: 78,838 km (0.049 R)
• M2: 446,998 km (0.085 R)
• M3: 3,832,697 km (0.096 R)
• M4: 4,302,734 km (0.088 R)
• M5: 4,962,909 km (0.09 R)
• M6: 5,730,795 km (0.086 R)
• M7: 6,810,443 km (0.083 R)
• M8: 10,660,943 km (0.103 R)
• M9: 16,092,393 km (0.078 R)
• M10: 18,495,234 km (0.066 R)
• M11: 23,122,146 km (0.071 R)
• M12: 23,998,490 km (0.107 R)
• M13: 25,585,125 km (0.048 R)
• M14: 26,522,506 km (0.114 R)
• M15: 28,840,226 km (0.056 R)
• M16: 33,734,619 km (0.106 R)
• M17: 36,892,331 km (0.11 R)
• M18: 37,786,627 km (0.045 R)
• M19: 42,313,309 km (0.103 R)
• M20: 46,150,494 km (0.106 R)
• M21: 55,279,704 km (0.112 R)
• M22: 59,855,454 km (0.095 R)
• M23: 62,340,125 km (0.06 R)
• M24: 63,607,818 km (0.092 R)
• M25: 73,903,442 km (0.079 R)
• M26: 80,435,185 km (0.034 R)
• M27: 82,189,220 km (0.091 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 16,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit