🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.6 AU - 0.86 AU

Year: 218 Days

Day: 20.9 Hours

Environment

Temp: 175 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.82 AU - 1.22 AU

Year: 360 Days

Day: 19.7 Hours

Environment

Temp: 114 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.17 AU - 1.73 AU

Year: 611 Days

Day: 40.3 Hours

Environment

Temp: -12 °C

Axial Tilt: 38 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.03 AU - 5.39 AU

Year: 3576 Days

Day: 14.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.83 AU - 4.89 AU

Year: 3748 Days

Day: 32.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.4

Radius: 10.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.66 AU - 6.74 AU

Year: 4761 Days

Day: 13.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,371,250 km

• M1: 129,402 km (0.108 R)
• M2: 487,539 km (0.096 R)
• M3: 833,111 km (0.111 R)
• M4: 1,207,105 km (0.084 R)
• M5: 2,018,075 km (0.072 R)
• M6: 2,808,102 km (0.103 R)
• M7: 4,746,142 km (0.094 R)
• M8: 6,604,596 km (0.12 R)
• M9: 8,538,747 km (0.087 R)
• M10: 9,313,066 km (0.078 R)
• M11: 11,435,411 km (0.088 R)
• M12: 12,376,082 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.2

Radius: 13.5

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.71 AU - 10.13 AU

Year: 9320 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,371,250 km

• M1: 167,849 km (0.035 R)
• M2: 622,327 km (0.119 R)
• M3: 1,086,230 km (0.093 R)
• M4: 1,563,896 km (0.076 R)
• M5: 2,864,799 km (0.104 R)
• M6: 3,454,364 km (0.107 R)
• M7: 3,948,935 km (0.094 R)
• M8: 4,850,861 km (0.114 R)
• M9: 6,808,797 km (0.081 R)
• M10: 9,247,841 km (0.116 R)
• M11: 12,221,248 km (0.097 R)
• M12: 13,434,936 km (0.049 R)
• M13: 18,887,330 km (0.046 R)
• M14: 21,822,141 km (0.094 R)
• M15: 23,356,865 km (0.068 R)
• M16: 23,856,073 km (0.11 R)
• M17: 26,280,905 km (0.064 R)
• M18: 28,675,668 km (0.077 R)
• M19: 34,001,950 km (0.115 R)
• M20: 34,967,605 km (0.086 R)
• M21: 38,897,242 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.4

Radius: 10.4

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.73 AU - 12.45 AU

Year: 11213 Days

Day: 7.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,371,250 km

• M1: 130,749 km (0.116 R)
• M2: 670,797 km (0.108 R)
• M3: 1,149,211 km (0.09 R)
• M4: 2,540,172 km (0.118 R)
• M5: 3,224,433 km (0.078 R)
• M6: 4,312,907 km (0.07 R)
• M7: 5,253,279 km (0.093 R)
• M8: 5,952,798 km (0.115 R)
• M9: 6,994,000 km (0.102 R)
• M10: 11,122,901 km (0.065 R)
• M11: 13,760,760 km (0.113 R)
• M12: 20,997,408 km (0.048 R)
• M13: 28,602,963 km (0.098 R)
• M14: 29,882,474 km (0.115 R)
• M15: 30,866,828 km (0.098 R)
• M16: 33,832,157 km (0.037 R)
• M17: 40,190,814 km (0.065 R)
• M18: 40,587,847 km (0.039 R)
• M19: 53,116,519 km (0.095 R)

Asteroid Belt

Center: 15.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 20.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.5

Radius: 7.7

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 20.8 AU - 21 AU

Year: 33427 Days

Day: 18.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,371,250 km

• M1: 95,743 km (0.105 R)
• M2: 644,767 km (0.052 R)
• M3: 1,275,471 km (0.105 R)
• M4: 3,374,030 km (0.08 R)
• M5: 12,644,910 km (0.11 R)
• M6: 22,128,218 km (0.09 R)
• M7: 26,219,121 km (0.091 R)
• M8: 35,732,798 km (0.092 R)
• M9: 36,114,272 km (0.096 R)
• M10: 40,490,309 km (0.071 R)
• M11: 46,705,951 km (0.05 R)
• M12: 48,237,385 km (0.107 R)
• M13: 48,547,501 km (0.05 R)
• M14: 52,538,922 km (0.078 R)
• M15: 53,032,146 km (0.03 R)
• M16: 57,785,170 km (0.11 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 10,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit