🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.67 AU - 0.93 AU

Year: 272 Days

Day: 15.3 Hours

Environment

Temp: 137 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.71 AU - 0.99 AU

Year: 298 Days

Day: 33.5 Hours

Environment

Temp: 46 °C

Axial Tilt: 24.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.89 AU - 1.48 AU

Year: 488 Days

Day: 13.3 Hours

Environment

Temp: -22 °C

Axial Tilt: 44.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.28 AU - 1.32 AU

Year: 564 Days

Day: 38.3 Hours

Environment

Temp: -42 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,318,959 km

• M1: 43,383 km (0.059 R)
• M2: 387,010 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.53 AU - 2.01 AU

Year: 897 Days

Day: 12 Hours

Environment

Temp: -76 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.7

Radius: 10.5

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.96 AU - 12.18 AU

Year: 14025 Days

Day: 13.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,318,959 km

• M1: 130,599 km (0.107 R)
• M2: 500,554 km (0.084 R)
• M3: 831,615 km (0.085 R)
• M4: 1,159,683 km (0.114 R)
• M5: 1,885,831 km (0.11 R)
• M6: 2,629,781 km (0.104 R)
• M7: 3,255,250 km (0.037 R)
• M8: 4,885,717 km (0.064 R)
• M9: 5,554,419 km (0.12 R)
• M10: 6,449,463 km (0.11 R)
• M11: 7,181,895 km (0.079 R)
• M12: 9,581,744 km (0.115 R)
• M13: 10,210,653 km (0.066 R)
• M14: 12,159,764 km (0.079 R)
• M15: 16,525,628 km (0.106 R)
• M16: 18,096,406 km (0.082 R)
• M17: 19,057,422 km (0.058 R)
• M18: 19,479,588 km (0.065 R)
• M19: 20,415,621 km (0.086 R)
• M20: 20,783,632 km (0.069 R)
• M21: 21,230,930 km (0.096 R)
• M22: 21,684,660 km (0.034 R)
• M23: 25,044,329 km (0.116 R)
• M24: 25,466,195 km (0.09 R)
• M25: 26,672,403 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.4

Radius: 7

Gravity: 19.95 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 10.81 AU - 14.35 AU

Year: 16991 Days

Day: 19.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,318,959 km

• M1: 87,066 km (0.063 R)
• M2: 346,020 km (0.108 R)
• M3: 638,783 km (0.112 R)
• M4: 1,108,819 km (0.104 R)
• M5: 2,180,090 km (0.117 R)
• M6: 2,845,202 km (0.108 R)
• M7: 4,298,545 km (0.113 R)
• M8: 5,110,413 km (0.069 R)
• M9: 6,020,566 km (0.053 R)
• M10: 7,655,521 km (0.07 R)
• M11: 8,735,169 km (0.089 R)
• M12: 9,623,332 km (0.106 R)
• M13: 10,268,099 km (0.111 R)
• M14: 12,375,035 km (0.119 R)
• M15: 14,375,607 km (0.07 R)
• M16: 15,139,604 km (0.06 R)
• M17: 16,748,080 km (0.07 R)
• M18: 20,018,589 km (0.116 R)
• M19: 20,301,179 km (0.073 R)
• M20: 20,777,798 km (0.089 R)
• M21: 22,657,794 km (0.118 R)
• M22: 26,638,743 km (0.071 R)
• M23: 27,325,397 km (0.114 R)
• M24: 30,936,690 km (0.073 R)
• M25: 33,513,364 km (0.082 R)
• M26: 44,130,624 km (0.037 R)
• M27: 46,724,053 km (0.111 R)
• M28: 48,904,591 km (0.047 R)
• M29: 50,453,228 km (0.057 R)
• M30: 67,145,508 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.2

Radius: 5.9

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 11.94 AU - 13.68 AU

Year: 17459 Days

Day: 16.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,318,959 km

• M1: 90,357 km (0.063 R)
• M2: 358,137 km (0.087 R)
• M3: 618,737 km (0.062 R)
• M4: 1,088,474 km (0.086 R)
• M5: 1,913,955 km (0.08 R)
• M6: 2,116,511 km (0.074 R)
• M7: 2,706,973 km (0.063 R)
• M8: 4,016,254 km (0.069 R)
• M9: 5,396,893 km (0.078 R)
• M10: 9,580,547 km (0.081 R)
• M11: 10,692,059 km (0.12 R)
• M12: 13,718,125 km (0.05 R)
• M13: 14,156,297 km (0.107 R)
• M14: 14,928,970 km (0.089 R)
• M15: 15,459,444 km (0.025 R)
• M16: 16,002,335 km (0.108 R)
• M17: 18,909,620 km (0.085 R)
• M18: 30,863,985 km (0.08 R)
• M19: 43,460,425 km (0.083 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 18,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit