🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.51 AU - 0.55 AU

Year: 144 Days

Day: 38.6 Hours

Environment

Temp: 235 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.52 AU - 0.84 AU

Year: 209 Days

Day: 15.9 Hours

Environment

Temp: 153 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.79 AU - 1.03 AU

Year: 324 Days

Day: 44.7 Hours

Environment

Temp: 42 °C

Axial Tilt: 13.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.85 AU - 2.67 AU

Year: 1267 Days

Day: 37.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,380,351 km

• M1: 109,954 km (0.11 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.75 AU - 2.81 AU

Year: 1728 Days

Day: 19.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.9 AU - 4.38 AU

Year: 3140 Days

Day: 23 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 8

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.1 AU - 8.68 AU

Year: 7489 Days

Day: 9.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,380,351 km

• M1: 99,632 km (0.072 R)
• M2: 819,348 km (0.053 R)
• M3: 3,048,356 km (0.11 R)
• M4: 3,753,261 km (0.089 R)
• M5: 4,323,977 km (0.098 R)
• M6: 5,242,358 km (0.093 R)
• M7: 9,115,148 km (0.095 R)
• M8: 9,868,523 km (0.12 R)
• M9: 11,448,575 km (0.119 R)
• M10: 11,804,170 km (0.07 R)
• M11: 14,269,692 km (0.066 R)
• M12: 14,681,834 km (0.028 R)
• M13: 22,089,322 km (0.105 R)
• M14: 24,855,237 km (0.054 R)
• M15: 30,673,099 km (0.052 R)
• M16: 32,967,631 km (0.052 R)
• M17: 33,895,886 km (0.059 R)
• M18: 35,267,249 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.6

Radius: 10.3

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 10.24 AU - 13.22 AU

Year: 14976 Days

Day: 5.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,380,351 km

• M1: 128,205 km (0.072 R)
• M2: 496,366 km (0.094 R)
• M3: 1,443,769 km (0.098 R)
• M4: 3,074,236 km (0.112 R)
• M5: 4,436,325 km (0.111 R)
• M6: 5,764,006 km (0.06 R)
• M7: 7,907,594 km (0.117 R)
• M8: 9,676,589 km (0.03 R)
• M9: 10,953,257 km (0.099 R)
• M10: 12,470,479 km (0.086 R)
• M11: 13,006,188 km (0.065 R)
• M12: 18,625,832 km (0.113 R)
• M13: 19,061,312 km (0.11 R)
• M14: 24,832,349 km (0.12 R)
• M15: 30,936,391 km (0.086 R)
• M16: 32,042,368 km (0.103 R)
• M17: 36,867,647 km (0.078 R)
• M18: 37,416,671 km (0.056 R)
• M19: 40,243,922 km (0.104 R)
• M20: 53,155,115 km (0.08 R)
• M21: 55,275,964 km (0.12 R)
• M22: 59,685,810 km (0.116 R)
• M23: 62,169,734 km (0.078 R)
• M24: 66,124,503 km (0.106 R)
• M25: 68,783,007 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.6

Radius: 3.7

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 15.39 AU - 17.25 AU

Year: 24577 Days

Day: 21.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,380,351 km

• M1: 49,517 km (0.063 R)
• M2: 1,334,563 km (0.094 R)
• M3: 4,442,010 km (0.064 R)
• M4: 4,730,733 km (0.109 R)
• M5: 5,274,671 km (0.111 R)
• M6: 6,445,275 km (0.062 R)
• M7: 6,941,491 km (0.041 R)
• M8: 8,150,541 km (0.08 R)
• M9: 8,929,646 km (0.081 R)
• M10: 9,703,965 km (0.069 R)
• M11: 10,189,410 km (0.107 R)
• M12: 11,803,422 km (0.117 R)
• M13: 13,713,487 km (0.085 R)
• M14: 13,982,763 km (0.063 R)
• M15: 20,310,604 km (0.08 R)
• M16: 21,643,371 km (0.085 R)
• M17: 22,844,642 km (0.117 R)
• M18: 23,318,269 km (0.105 R)
• M19: 38,182,313 km (0.06 R)
• M20: 46,248,930 km (0.05 R)
• M21: 47,771,986 km (0.112 R)
• M22: 53,200,144 km (0.056 R)
• M23: 55,549,878 km (0.108 R)
• M24: 55,720,270 km (0.077 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 16,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit