🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.4 AU - 0.62 AU

Year: 131 Days

Day: 21.6 Hours

Environment

Temp: 192 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.87 AU - 1.11 AU

Year: 355 Days

Day: 21.5 Hours

Environment

Temp: 86 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.53 AU - 3.91 AU

Year: 2079 Days

Day: 30 Hours

Environment

Temp: -106 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.85 AU - 4.03 AU

Year: 2296 Days

Day: 18.1 Hours

Environment

Temp: -100 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.4

Radius: 10.3

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.33 AU - 7.15 AU

Year: 4949 Days

Day: 11.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,164,849 km

• M1: 128,804 km (0.098 R)
• M2: 458,966 km (0.083 R)
• M3: 800,049 km (0.112 R)
• M4: 1,501,065 km (0.117 R)
• M5: 1,904,530 km (0.104 R)
• M6: 2,506,961 km (0.086 R)
• M7: 2,933,913 km (0.067 R)
• M8: 3,271,107 km (0.113 R)
• M9: 4,137,428 km (0.069 R)
• M10: 4,563,333 km (0.101 R)
• M11: 4,940,320 km (0.081 R)
• M12: 5,671,854 km (0.092 R)
• M13: 7,728,824 km (0.115 R)
• M14: 8,229,828 km (0.092 R)
• M15: 8,714,375 km (0.118 R)
• M16: 11,382,603 km (0.094 R)
• M17: 11,890,637 km (0.081 R)
• M18: 12,269,569 km (0.114 R)
• M19: 15,485,474 km (0.071 R)
• M20: 17,046,977 km (0.116 R)
• M21: 17,651,202 km (0.068 R)
• M22: 18,082,643 km (0.094 R)
• M23: 24,274,498 km (0.039 R)
• M24: 26,057,705 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 11.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.67 AU - 8.41 AU

Year: 6722 Days

Day: 11 Hours

Environment

Temp: -150 °C

Axial Tilt: 69.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,164,849 km

• M1: 138,228 km (0.118 R)
• M2: 729,589 km (0.116 R)
• M3: 1,950,457 km (0.117 R)
• M4: 2,356,166 km (0.11 R)
• M5: 3,041,325 km (0.102 R)
• M6: 5,283,498 km (0.106 R)
• M7: 6,929,972 km (0.055 R)
• M8: 8,611,452 km (0.119 R)
• M9: 9,919,536 km (0.079 R)
• M10: 10,693,256 km (0.099 R)
• M11: 12,006,576 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.8

Radius: 14.6

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.75 AU - 8.29 AU

Year: 7422 Days

Day: 11.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,164,849 km

• M1: 181,612 km (0.063 R)
• M2: 1,007,392 km (0.047 R)
• M3: 1,983,668 km (0.043 R)
• M4: 2,829,644 km (0.096 R)
• M5: 3,808,612 km (0.11 R)
• M6: 5,800,508 km (0.084 R)
• M7: 7,116,371 km (0.114 R)
• M8: 7,609,744 km (0.085 R)
• M9: 10,770,299 km (0.037 R)
• M10: 11,525,170 km (0.116 R)
• M11: 16,292,106 km (0.105 R)
• M12: 18,535,475 km (0.117 R)
• M13: 19,917,012 km (0.119 R)
• M14: 22,477,978 km (0.115 R)
• M15: 25,690,742 km (0.076 R)
• M16: 28,340,269 km (0.088 R)
• M17: 32,081,413 km (0.09 R)
• M18: 34,931,851 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.2

Radius: 7.6

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 12.52 AU - 16.04 AU

Year: 19421 Days

Day: 23.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,164,849 km

• M1: 94,546 km (0.04 R)
• M2: 1,107,623 km (0.104 R)
• M3: 2,042,909 km (0.111 R)
• M4: 4,099,730 km (0.065 R)
• M5: 4,536,855 km (0.057 R)
• M6: 6,922,342 km (0.116 R)
• M7: 9,569,028 km (0.119 R)
• M8: 12,338,832 km (0.058 R)
• M9: 14,970,259 km (0.107 R)
• M10: 18,397,397 km (0.036 R)
• M11: 21,115,141 km (0.086 R)
• M12: 23,242,722 km (0.094 R)
• M13: 26,868,376 km (0.08 R)
• M14: 32,135,717 km (0.066 R)
• M15: 34,804,543 km (0.078 R)
• M16: 44,979,891 km (0.117 R)
• M17: 50,387,704 km (0.103 R)
• M18: 63,490,384 km (0.115 R)
• M19: 65,769,058 km (0.118 R)
• M20: 67,460,113 km (0.062 R)
• M21: 72,259,811 km (0.059 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 13,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit