🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.45 AU - 0.65 AU

Year: 142 Days

Day: 30.1 Hours

Environment

Temp: 240 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.96 AU - 1.32 AU

Year: 424 Days

Day: 13.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.02 AU - 1.36 AU

Year: 452 Days

Day: 14 Hours

Environment

Temp: 16 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 64,096,434 km

• M1: 236,514 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.45 AU - 1.71 AU

Year: 692 Days

Day: 41.5 Hours

Environment

Temp: -15 °C

Axial Tilt: 46.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.42 AU - 5.54 AU

Year: 3870 Days

Day: 23.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.4

Radius: 13

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.53 AU - 8.33 AU

Year: 7053 Days

Day: 13.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,096,434 km

• M1: 161,715 km (0.067 R)
• M2: 619,934 km (0.093 R)
• M3: 1,409,511 km (0.12 R)
• M4: 2,193,554 km (0.068 R)
• M5: 8,116,582 km (0.077 R)
• M6: 8,828,070 km (0.106 R)
• M7: 11,629,290 km (0.106 R)
• M8: 12,578,488 km (0.116 R)
• M9: 16,469,678 km (0.095 R)
• M10: 19,509,657 km (0.116 R)
• M11: 20,232,813 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.1

Radius: 9.4

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 11.61 AU - 13.47 AU

Year: 15465 Days

Day: 11.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 106.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,096,434 km

• M1: 116,986 km (0.115 R)
• M2: 566,228 km (0.07 R)
• M3: 1,118,992 km (0.096 R)
• M4: 1,656,348 km (0.113 R)
• M5: 2,184,727 km (0.119 R)
• M6: 2,561,564 km (0.1 R)
• M7: 3,270,359 km (0.11 R)
• M8: 3,657,668 km (0.12 R)
• M9: 4,075,495 km (0.104 R)
• M10: 5,347,376 km (0.118 R)
• M11: 7,116,670 km (0.048 R)
• M12: 9,296,311 km (0.112 R)
• M13: 9,655,196 km (0.058 R)
• M14: 9,970,249 km (0.074 R)
• M15: 10,900,299 km (0.114 R)
• M16: 11,357,470 km (0.099 R)
• M17: 13,970,796 km (0.101 R)
• M18: 17,652,848 km (0.083 R)
• M19: 19,926,885 km (0.073 R)
• M20: 23,316,025 km (0.044 R)
• M21: 24,949,634 km (0.046 R)
• M22: 25,444,354 km (0.105 R)
• M23: 27,279,471 km (0.117 R)
• M24: 30,983,664 km (0.066 R)
• M25: 36,510,707 km (0.085 R)
• M26: 39,505,806 km (0.105 R)
• M27: 43,653,706 km (0.053 R)
• M28: 56,454,197 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.3

Radius: 6.8

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 11.94 AU - 18.52 AU

Year: 20699 Days

Day: 19.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,096,434 km

• M1: 113,844 km (0.096 R)
• M2: 341,831 km (0.079 R)
• M3: 991,834 km (0.071 R)
• M4: 2,162,437 km (0.073 R)
• M5: 2,448,319 km (0.11 R)
• M6: 3,460,199 km (0.111 R)
• M7: 3,765,977 km (0.117 R)
• M8: 4,827,074 km (0.053 R)
• M9: 8,676,078 km (0.104 R)
• M10: 9,668,510 km (0.106 R)
• M11: 10,108,179 km (0.109 R)
• M12: 12,899,824 km (0.08 R)
• M13: 13,432,842 km (0.086 R)
• M14: 16,552,256 km (0.109 R)
• M15: 16,864,916 km (0.074 R)
• M16: 18,487,754 km (0.097 R)
• M17: 22,229,346 km (0.063 R)
• M18: 24,680,507 km (0.113 R)
• M19: 25,709,441 km (0.043 R)
• M20: 26,234,530 km (0.069 R)
• M21: 27,523,914 km (0.114 R)
• M22: 34,482,459 km (0.098 R)
• M23: 38,024,637 km (0.108 R)
• M24: 41,370,394 km (0.114 R)
• M25: 49,443,742 km (0.112 R)
• M26: 55,314,112 km (0.113 R)
• M27: 56,718,238 km (0.067 R)
• M28: 60,147,769 km (0.08 R)
• M29: 62,007,121 km (0.107 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 10,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit