🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.96 AU - 1.12 AU

Year: 402 Days

Day: 37.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.2 AU - 1.46 AU

Year: 581 Days

Day: 32.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.38 AU - 1.72 AU

Year: 731 Days

Day: 14.6 Hours

Environment

Temp: -50 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.35 AU - 3.79 AU

Year: 2037 Days

Day: 13.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,898,635 km

• M1: 42,037 km (0.109 R)
• M2: 735,722 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.05 AU - 3.95 AU

Year: 2480 Days

Day: 14.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80

Radius: 13.8

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.8 AU - 5.18 AU

Year: 3603 Days

Day: 7.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,898,635 km

• M1: 217,665 km (0.086 R)
• M2: 677,230 km (0.101 R)
• M3: 1,695,393 km (0.077 R)
• M4: 3,109,242 km (0.105 R)
• M5: 3,656,920 km (0.106 R)
• M6: 4,720,262 km (0.094 R)
• M7: 5,936,642 km (0.075 R)
• M8: 7,924,498 km (0.092 R)
• M9: 8,442,406 km (0.115 R)
• M10: 9,760,064 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.3

Radius: 8.9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.22 AU - 8.98 AU

Year: 7935 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,898,635 km

• M1: 128,056 km (0.03 R)
• M2: 414,087 km (0.105 R)
• M3: 758,611 km (0.075 R)
• M4: 1,221,766 km (0.096 R)
• M5: 1,908,719 km (0.109 R)
• M6: 2,910,277 km (0.095 R)
• M7: 3,213,512 km (0.111 R)
• M8: 4,078,188 km (0.105 R)
• M9: 4,754,071 km (0.101 R)
• M10: 5,205,856 km (0.11 R)
• M11: 6,228,358 km (0.088 R)
• M12: 6,769,752 km (0.071 R)
• M13: 8,102,969 km (0.09 R)
• M14: 8,957,173 km (0.088 R)
• M15: 9,603,136 km (0.07 R)
• M16: 10,512,392 km (0.108 R)
• M17: 11,231,210 km (0.086 R)
• M18: 12,239,948 km (0.079 R)
• M19: 13,308,077 km (0.094 R)
• M20: 16,060,827 km (0.115 R)
• M21: 17,208,841 km (0.096 R)
• M22: 17,669,752 km (0.111 R)
• M23: 18,547,593 km (0.063 R)
• M24: 19,032,140 km (0.097 R)
• M25: 20,389,891 km (0.077 R)
• M26: 22,118,644 km (0.097 R)
• M27: 22,899,993 km (0.111 R)
• M28: 24,106,201 km (0.055 R)
• M29: 25,354,296 km (0.074 R)
• M30: 32,446,282 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999

Radius: 6.1

Gravity: 26.85 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 11.61 AU - 14.13 AU

Year: 17487 Days

Day: 18.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,898,635 km

• M1: 75,846 km (0.116 R)
• M2: 265,536 km (0.118 R)
• M3: 551,119 km (0.095 R)
• M4: 985,700 km (0.101 R)
• M5: 1,322,296 km (0.065 R)
• M6: 2,312,334 km (0.097 R)
• M7: 2,781,772 km (0.049 R)
• M8: 3,312,546 km (0.102 R)
• M9: 6,255,734 km (0.069 R)
• M10: 6,608,785 km (0.109 R)
• M11: 7,258,638 km (0.089 R)
• M12: 7,598,973 km (0.066 R)
• M13: 8,793,064 km (0.114 R)
• M14: 9,012,823 km (0.1 R)
• M15: 9,520,708 km (0.093 R)
• M16: 12,281,836 km (0.109 R)
• M17: 13,118,536 km (0.052 R)
• M18: 14,217,183 km (0.097 R)
• M19: 15,296,532 km (0.059 R)
• M20: 17,358,290 km (0.104 R)
• M21: 18,590,228 km (0.053 R)
• M22: 19,227,515 km (0.09 R)
• M23: 20,449,580 km (0.071 R)
• M24: 22,634,307 km (0.092 R)
• M25: 23,465,772 km (0.091 R)
• M26: 23,782,770 km (0.087 R)
• M27: 24,210,022 km (0.118 R)
• M28: 26,880,942 km (0.038 R)
• M29: 37,051,353 km (0.101 R)
• M30: 39,681,134 km (0.06 R)
• M31: 50,562,136 km (0.049 R)
• M32: 58,500,696 km (0.045 R)
• M33: 64,712,598 km (0.084 R)
• M34: 77,021,960 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 15,789 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit