🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.11 AU - 1.73 AU

Year: 595 Days

Day: 17.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 32.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 102,335,631 km

• M1: 15,259 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.21 AU - 2.29 AU

Year: 1186 Days

Day: 29.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.92 AU - 2.72 AU

Year: 1242 Days

Day: 26.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.83 AU - 4.87 AU

Year: 3189 Days

Day: 22.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.96 AU - 5.02 AU

Year: 3918 Days

Day: 47.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210

Radius: 13.8

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.36 AU - 9.48 AU

Year: 7834 Days

Day: 11.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 102,335,631 km

• M1: 173,234 km (0.059 R)
• M2: 714,779 km (0.111 R)
• M3: 1,542,952 km (0.086 R)
• M4: 2,742,578 km (0.072 R)
• M5: 3,190,175 km (0.097 R)
• M6: 4,189,189 km (0.037 R)
• M7: 6,037,620 km (0.094 R)
• M8: 7,259,685 km (0.076 R)
• M9: 8,603,074 km (0.057 R)
• M10: 9,216,126 km (0.101 R)
• M11: 10,789,447 km (0.09 R)
• M12: 12,058,636 km (0.095 R)
• M13: 13,730,990 km (0.037 R)
• M14: 14,303,950 km (0.102 R)
• M15: 14,838,463 km (0.063 R)
• M16: 16,933,432 km (0.11 R)
• M17: 17,471,535 km (0.087 R)
• M18: 21,843,533 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444

Radius: 3.8

Gravity: 30.75 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 12.27 AU - 16.59 AU

Year: 19265 Days

Day: 24.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 102,335,631 km

• M1: 47,572 km (0.075 R)
• M2: 427,850 km (0.101 R)
• M3: 616,493 km (0.084 R)
• M4: 956,828 km (0.03 R)
• M5: 1,282,652 km (0.105 R)
• M6: 1,471,295 km (0.095 R)
• M7: 1,745,658 km (0.11 R)
• M8: 2,822,613 km (0.115 R)
• M9: 3,377,920 km (0.086 R)
• M10: 4,279,247 km (0.112 R)
• M11: 4,939,273 km (0.051 R)
• M12: 5,973,892 km (0.089 R)
• M13: 6,541,915 km (0.081 R)
• M14: 6,925,484 km (0.11 R)
• M15: 7,278,984 km (0.091 R)
• M16: 7,414,519 km (0.084 R)
• M17: 8,263,786 km (0.103 R)
• M18: 11,078,470 km (0.09 R)
• M19: 14,189,208 km (0.088 R)
• M20: 18,582,599 km (0.097 R)
• M21: 19,350,036 km (0.066 R)
• M22: 22,920,937 km (0.103 R)
• M23: 33,278,196 km (0.104 R)
• M24: 35,046,892 km (0.046 R)
• M25: 38,495,721 km (0.09 R)
• M26: 51,172,495 km (0.102 R)
• M27: 52,004,259 km (0.054 R)
• M28: 52,339,508 km (0.074 R)
• M29: 61,009,004 km (0.098 R)

Asteroid Belt

Center: 17.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 20.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.3

Radius: 4.5

Gravity: 31.67 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 18.39 AU - 22.29 AU

Year: 32241 Days

Day: 23.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 102,335,631 km

• M1: 55,950 km (0.116 R)
• M2: 408,103 km (0.103 R)
• M3: 567,425 km (0.089 R)
• M4: 861,983 km (0.096 R)
• M5: 1,130,212 km (0.064 R)
• M6: 1,383,332 km (0.083 R)
• M7: 1,541,756 km (0.086 R)
• M8: 1,853,667 km (0.041 R)
• M9: 2,002,816 km (0.045 R)
• M10: 2,576,375 km (0.095 R)
• M11: 3,345,008 km (0.086 R)
• M12: 4,183,355 km (0.068 R)
• M13: 4,366,463 km (0.064 R)
• M14: 4,867,765 km (0.092 R)
• M15: 5,194,786 km (0.055 R)
• M16: 5,712,694 km (0.03 R)
• M17: 8,187,940 km (0.118 R)
• M18: 8,533,063 km (0.068 R)
• M19: 10,076,464 km (0.102 R)
• M20: 11,226,423 km (0.106 R)
• M21: 16,521,888 km (0.064 R)
• M22: 26,368,420 km (0.065 R)
• M23: 27,120,149 km (0.063 R)
• M24: 30,270,232 km (0.097 R)
• M25: 38,391,002 km (0.085 R)
• M26: 41,502,189 km (0.076 R)
• M27: 42,860,987 km (0.066 R)
• M28: 49,532,453 km (0.051 R)
• M29: 51,060,446 km (0.059 R)
• M30: 55,017,759 km (0.042 R)
• M31: 57,487,619 km (0.078 R)
• M32: 58,327,013 km (0.075 R)
• M33: 62,205,787 km (0.1 R)
• M34: 77,895,761 km (0.088 R)
• M35: 80,743,207 km (0.088 R)
• M36: 88,581,387 km (0.075 R)
• M37: 94,272,689 km (0.12 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 19,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit