🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.7 AU - 0.76 AU

Year: 220 Days

Day: 24 Hours

Environment

Temp: 148 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,036,788 km

• M1: 62,981 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.23 AU - 1.63 AU

Year: 604 Days

Day: 24.7 Hours

Environment

Temp: -10 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.76 AU - 2.12 AU

Year: 954 Days

Day: 13.2 Hours

Environment

Temp: -58 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,036,788 km

• M1: 41,439 km (0.094 R)
• M2: 70,461 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2 AU - 2.28 AU

Year: 1105 Days

Day: 29.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.17 AU - 2.51 AU

Year: 1264 Days

Day: 31.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.83 AU - 4.09 AU

Year: 2783 Days

Day: 27.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,036,788 km

• M1: 61,934 km (0.036 R)
• M2: 277,803 km (0.075 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.61 AU - 4.99 AU

Year: 3148 Days

Day: 23.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917

Radius: 14.6

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.65 AU - 7.69 AU

Year: 6083 Days

Day: 7 Hours

Environment

Temp: -154 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,036,788 km

• M1: 181,612 km (0.106 R)
• M2: 729,888 km (0.109 R)
• M3: 1,477,279 km (0.075 R)
• M4: 2,579,067 km (0.087 R)
• M5: 3,736,805 km (0.076 R)
• M6: 4,355,542 km (0.075 R)
• M7: 5,457,929 km (0.054 R)
• M8: 6,952,860 km (0.101 R)
• M9: 7,432,022 km (0.111 R)
• M10: 8,252,716 km (0.105 R)
• M11: 9,046,782 km (0.076 R)
• M12: 9,574,114 km (0.119 R)
• M13: 10,215,440 km (0.108 R)
• M14: 11,181,094 km (0.11 R)
• M15: 17,546,933 km (0.088 R)
• M16: 19,433,511 km (0.089 R)
• M17: 20,091,443 km (0.112 R)
• M18: 24,355,880 km (0.058 R)
• M19: 25,035,353 km (0.107 R)
• M20: 27,330,783 km (0.111 R)
• M21: 28,250,062 km (0.06 R)
• M22: 31,730,606 km (0.101 R)
• M23: 33,993,124 km (0.119 R)
• M24: 36,692,468 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607

Radius: 5.6

Gravity: 19.36 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 17.35 AU - 18.99 AU

Year: 27348 Days

Day: 23.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 90,036,788 km

• M1: 71,209 km (0.036 R)
• M2: 253,868 km (0.091 R)
• M3: 452,085 km (0.101 R)
• M4: 926,908 km (0.088 R)
• M5: 1,164,320 km (0.026 R)
• M6: 1,360,593 km (0.075 R)
• M7: 1,900,192 km (0.12 R)
• M8: 2,749,908 km (0.097 R)
• M9: 2,962,786 km (0.101 R)
• M10: 3,543,674 km (0.091 R)
• M11: 4,128,752 km (0.074 R)
• M12: 4,701,113 km (0.11 R)
• M13: 6,002,016 km (0.1 R)
• M14: 6,593,377 km (0.114 R)
• M15: 8,769,726 km (0.069 R)
• M16: 8,999,210 km (0.04 R)
• M17: 11,248,264 km (0.097 R)
• M18: 13,539,654 km (0.071 R)
• M19: 13,846,330 km (0.069 R)
• M20: 17,532,721 km (0.098 R)
• M21: 20,091,443 km (0.033 R)
• M22: 23,653,967 km (0.091 R)
• M23: 24,549,459 km (0.073 R)
• M24: 29,753,371 km (0.044 R)
• M25: 40,347,743 km (0.091 R)
• M26: 42,928,156 km (0.11 R)
• M27: 43,423,924 km (0.085 R)
• M28: 43,923,580 km (0.107 R)
• M29: 44,258,680 km (0.083 R)
• M30: 46,652,994 km (0.07 R)
• M31: 48,059,214 km (0.12 R)
• M32: 50,038,543 km (0.036 R)
• M33: 50,404,160 km (0.053 R)
• M34: 55,515,919 km (0.074 R)
• M35: 59,722,761 km (0.086 R)
• M36: 60,547,494 km (0.096 R)
• M37: 66,754,908 km (0.079 R)
• M38: 68,989,900 km (0.111 R)
• M39: 77,449,062 km (0.108 R)
• M40: 81,168,663 km (0.07 R)
• M41: 86,836,627 km (0.12 R)
• M42: 89,229,445 km (0.117 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 12,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit