🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.59 AU - 0.75 AU

Year: 203 Days

Day: 47 Hours

Environment

Temp: 127 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 52,838,586 km

• M1: 94,247 km (0.118 R)
• M2: 134,339 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.13 AU - 1.35 AU

Year: 512 Days

Day: 20.4 Hours

Environment

Temp: -20 °C

Axial Tilt: 24.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.98 AU - 1.53 AU

Year: 518 Days

Day: 15.4 Hours

Environment

Temp: -12 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.31 AU - 2.57 AU

Year: 1413 Days

Day: 17.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.25 AU - 5.23 AU

Year: 3238 Days

Day: 29.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,838,586 km

• M1: 1,326,634 km (0.086 R)

Asteroid Belt

Center: 5.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.5

Radius: 12.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.1 AU - 6.98 AU

Year: 6203 Days

Day: 11.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,838,586 km

• M1: 151,842 km (0.107 R)
• M2: 538,702 km (0.108 R)
• M3: 955,482 km (0.112 R)
• M4: 1,338,003 km (0.094 R)
• M5: 2,076,418 km (0.086 R)
• M6: 3,013,948 km (0.064 R)
• M7: 3,431,626 km (0.119 R)
• M8: 5,742,015 km (0.116 R)
• M9: 6,680,592 km (0.086 R)
• M10: 7,256,245 km (0.084 R)
• M11: 8,050,310 km (0.109 R)
• M12: 13,279,953 km (0.079 R)
• M13: 14,246,654 km (0.115 R)
• M14: 15,144,840 km (0.114 R)
• M15: 16,992,224 km (0.087 R)
• M16: 18,456,787 km (0.091 R)
• M17: 20,142,306 km (0.11 R)
• M18: 20,702,849 km (0.065 R)
• M19: 24,208,227 km (0.069 R)
• M20: 25,324,376 km (0.087 R)
• M21: 27,402,590 km (0.047 R)
• M22: 30,043,740 km (0.048 R)
• M23: 30,775,723 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.5

Radius: 4.9

Gravity: 25.14 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 10.09 AU - 14.71 AU

Year: 16193 Days

Day: 15 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 52,838,586 km

• M1: 63,280 km (0.06 R)
• M2: 227,239 km (0.107 R)
• M3: 781,948 km (0.084 R)
• M4: 1,238,970 km (0.087 R)
• M5: 2,096,614 km (0.099 R)
• M6: 2,637,859 km (0.056 R)
• M7: 2,869,287 km (0.079 R)
• M8: 3,164,593 km (0.117 R)
• M9: 3,346,205 km (0.095 R)
• M10: 3,845,114 km (0.074 R)
• M11: 5,307,732 km (0.084 R)
• M12: 7,372,781 km (0.103 R)
• M13: 7,832,496 km (0.109 R)
• M14: 8,262,290 km (0.067 R)
• M15: 9,538,959 km (0.063 R)
• M16: 10,824,752 km (0.066 R)
• M17: 11,600,417 km (0.112 R)
• M18: 12,996,465 km (0.1 R)
• M19: 14,786,104 km (0.106 R)
• M20: 15,368,339 km (0.03 R)
• M21: 16,423,602 km (0.104 R)
• M22: 16,655,928 km (0.116 R)
• M23: 17,286,034 km (0.067 R)
• M24: 18,013,678 km (0.116 R)
• M25: 18,178,236 km (0.058 R)
• M26: 18,593,669 km (0.111 R)
• M27: 20,497,451 km (0.117 R)
• M28: 20,676,819 km (0.084 R)
• M29: 22,432,350 km (0.046 R)
• M30: 23,006,806 km (0.093 R)
• M31: 25,299,693 km (0.048 R)
• M32: 27,740,681 km (0.093 R)
• M33: 33,207,735 km (0.111 R)
• M34: 33,455,021 km (0.068 R)
• M35: 40,046,004 km (0.095 R)
• M36: 43,201,322 km (0.086 R)
• M37: 44,538,577 km (0.061 R)
• M38: 44,839,419 km (0.105 R)
• M39: 49,677,713 km (0.073 R)
• M40: 50,001,293 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.2

Radius: 4.5

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 17.64 AU - 19.38 AU

Year: 29533 Days

Day: 19.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,838,586 km

• M1: 154,235 km (0.102 R)
• M2: 1,553,574 km (0.109 R)
• M3: 2,022,563 km (0.059 R)
• M4: 8,982,155 km (0.12 R)
• M5: 10,142,885 km (0.06 R)
• M6: 11,628,841 km (0.096 R)
• M7: 12,154,827 km (0.071 R)
• M8: 13,634,799 km (0.048 R)
• M9: 20,589,305 km (0.05 R)
• M10: 21,618,687 km (0.114 R)
• M11: 33,981,306 km (0.105 R)
• M12: 37,140,813 km (0.079 R)
• M13: 40,756,444 km (0.078 R)
• M14: 47,783,654 km (0.101 R)
• M15: 51,426,213 km (0.078 R)
• M16: 52,838,566 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 11,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit