🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.59 AU - 0.97 AU

Year: 291 Days

Day: 27.6 Hours

Environment

Temp: -1 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.66 AU - 0.9 AU

Year: 291 Days

Day: 24.8 Hours

Environment

Temp: -12 °C

Axial Tilt: 21.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.83 AU - 0.83 AU

Year: 319 Days

Day: 43.7 Hours

Environment

Temp: 2 °C

Axial Tilt: 7.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.9 AU - 1.02 AU

Year: 397 Days

Day: 48 Hours

Environment

Temp: -42 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.03 AU - 1.55 AU

Year: 618 Days

Day: 42.8 Hours

Environment

Temp: -76 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.28 AU - 1.74 AU

Year: 783 Days

Day: 46.9 Hours

Environment

Temp: -90 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.8

Radius: 10.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.99 AU - 10.63 AU

Year: 12959 Days

Day: 8.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,099,177 km

• M1: 167,699 km (0.067 R)
• M2: 1,007,542 km (0.075 R)
• M3: 1,432,998 km (0.098 R)
• M4: 2,217,489 km (0.081 R)
• M5: 4,997,616 km (0.064 R)
• M6: 6,285,504 km (0.103 R)
• M7: 23,482,079 km (0.108 R)
• M8: 24,375,327 km (0.115 R)
• M9: 27,110,126 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.5

Radius: 4.8

Gravity: 29.36 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.64 AU - 11.18 AU

Year: 15198 Days

Day: 17.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,099,177 km

• M1: 59,839 km (0.113 R)
• M2: 471,981 km (0.087 R)
• M3: 626,965 km (0.084 R)
• M4: 877,840 km (0.074 R)
• M5: 1,129,763 km (0.1 R)
• M6: 1,370,765 km (0.054 R)
• M7: 2,030,043 km (0.091 R)
• M8: 2,515,638 km (0.101 R)
• M9: 4,500,502 km (0.092 R)
• M10: 6,858,464 km (0.078 R)
• M11: 7,296,038 km (0.1 R)
• M12: 10,547,847 km (0.116 R)
• M13: 10,720,483 km (0.06 R)
• M14: 13,205,154 km (0.063 R)
• M15: 13,676,237 km (0.073 R)
• M16: 14,938,843 km (0.05 R)
• M17: 23,199,039 km (0.056 R)
• M18: 24,785,226 km (0.087 R)
• M19: 25,916,784 km (0.101 R)
• M20: 32,335,879 km (0.067 R)
• M21: 34,185,657 km (0.055 R)
• M22: 35,586,192 km (0.076 R)
• M23: 36,104,848 km (0.109 R)
• M24: 44,052,683 km (0.112 R)
• M25: 47,251,834 km (0.114 R)
• M26: 49,790,809 km (0.12 R)
• M27: 50,114,539 km (0.093 R)
• M28: 51,093,806 km (0.078 R)
• M29: 51,753,683 km (0.116 R)
• M30: 56,182,378 km (0.102 R)
• M31: 56,357,557 km (0.031 R)
• M32: 61,598,270 km (0.065 R)
• M33: 62,345,661 km (0.085 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 12,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit