🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.42 AU - 0.58 AU

Year: 135 Days

Day: 24.6 Hours

Environment

Temp: 156 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,445,863 km

• M1: 41,738 km (0.1 R)

Asteroid Belt

Center: 0.87 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.14 AU - 1.32 AU

Year: 519 Days

Day: 22.4 Hours

Environment

Temp: -25 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,445,863 km

• M1: 64,028 km (0.118 R)
• M2: 475,422 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.09 AU - 1.53 AU

Year: 571 Days

Day: 22.9 Hours

Environment

Temp: -41 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.2 AU - 1.62 AU

Year: 638 Days

Day: 45 Hours

Environment

Temp: -44 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.2 AU - 1.84 AU

Year: 714 Days

Day: 21.9 Hours

Environment

Temp: -52 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,445,863 km

• M1: 55,650 km (0.099 R)
• M2: 494,271 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.2

Radius: 8.4

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.77 AU - 12.29 AU

Year: 12096 Days

Day: 12.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,445,863 km

• M1: 104,868 km (0.107 R)
• M2: 556,654 km (0.045 R)
• M3: 829,819 km (0.115 R)
• M4: 1,483,712 km (0.088 R)
• M5: 4,176,922 km (0.098 R)
• M6: 5,263,152 km (0.107 R)
• M7: 5,837,159 km (0.04 R)
• M8: 7,109,639 km (0.114 R)
• M9: 8,244,638 km (0.101 R)
• M10: 9,642,630 km (0.097 R)
• M11: 18,145,623 km (0.058 R)
• M12: 31,801,515 km (0.118 R)
• M13: 34,497,718 km (0.107 R)
• M14: 38,201,013 km (0.113 R)
• M15: 44,171,913 km (0.119 R)
• M16: 45,686,591 km (0.105 R)
• M17: 47,093,410 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200

Radius: 11.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.64 AU - 11.72 AU

Year: 12369 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,445,863 km

• M1: 138,378 km (0.096 R)
• M2: 505,940 km (0.108 R)
• M3: 1,056,161 km (0.093 R)
• M4: 1,522,757 km (0.109 R)
• M5: 2,746,916 km (0.086 R)
• M6: 3,464,238 km (0.093 R)
• M7: 4,025,380 km (0.106 R)
• M8: 6,686,726 km (0.082 R)
• M9: 7,983,141 km (0.107 R)
• M10: 8,837,494 km (0.056 R)
• M11: 12,819,939 km (0.106 R)
• M12: 16,288,515 km (0.06 R)
• M13: 20,117,323 km (0.071 R)
• M14: 23,193,953 km (0.04 R)
• M15: 26,044,840 km (0.119 R)
• M16: 27,373,867 km (0.09 R)
• M17: 29,498,905 km (0.084 R)
• M18: 30,359,541 km (0.111 R)
• M19: 36,421,696 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.2

Radius: 6.4

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 12.21 AU - 17.31 AU

Year: 21594 Days

Day: 23.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,445,863 km

• M1: 88,712 km (0.06 R)
• M2: 328,816 km (0.103 R)
• M3: 749,785 km (0.101 R)
• M4: 994,975 km (0.113 R)
• M5: 1,210,247 km (0.034 R)
• M6: 1,472,492 km (0.068 R)
• M7: 1,844,542 km (0.069 R)
• M8: 2,277,478 km (0.108 R)
• M9: 2,800,173 km (0.096 R)
• M10: 3,372,235 km (0.082 R)
• M11: 4,505,738 km (0.064 R)
• M12: 4,922,518 km (0.097 R)
• M13: 5,793,178 km (0.047 R)
• M14: 7,031,998 km (0.103 R)
• M15: 9,017,311 km (0.075 R)
• M16: 9,678,982 km (0.095 R)
• M17: 11,037,181 km (0.107 R)
• M18: 12,251,318 km (0.086 R)
• M19: 13,340,689 km (0.093 R)
• M20: 14,866,588 km (0.116 R)
• M21: 16,424,649 km (0.106 R)
• M22: 17,747,095 km (0.109 R)
• M23: 18,260,814 km (0.117 R)
• M24: 18,784,406 km (0.1 R)
• M25: 19,679,301 km (0.105 R)
• M26: 20,229,671 km (0.104 R)
• M27: 22,040,254 km (0.051 R)
• M28: 23,852,632 km (0.091 R)
• M29: 32,477,698 km (0.099 R)
• M30: 34,157,682 km (0.027 R)
• M31: 48,393,266 km (0.106 R)
• M32: 51,095,602 km (0.107 R)
• M33: 53,010,604 km (0.117 R)
• M34: 61,344,252 km (0.079 R)
• M35: 62,911,589 km (0.109 R)
• M36: 72,228,994 km (0.074 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: 191 - 19,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit