🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.53 AU - 0.79 AU

Year: 203 Days

Day: 36.8 Hours

Environment

Temp: 140 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 50,527,601 km

• M1: 80,184 km (0.056 R)
• M2: 383,270 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.13 AU - 1.85 AU

Year: 689 Days

Day: 31.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 59.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.48 AU - 1.94 AU

Year: 847 Days

Day: 32.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,527,601 km

• M1: 939,026 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.62 AU - 2.56 AU

Year: 1144 Days

Day: 42.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.59 AU - 3.95 AU

Year: 2772 Days

Day: 12.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.2

Radius: 8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.02 AU - 6.2 AU

Year: 4375 Days

Day: 5.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,527,601 km

• M1: 102,475 km (0.115 R)
• M2: 370,554 km (0.096 R)
• M3: 701,464 km (0.074 R)
• M4: 1,220,419 km (0.068 R)
• M5: 1,664,426 km (0.031 R)
• M6: 1,962,425 km (0.109 R)
• M7: 2,281,816 km (0.091 R)
• M8: 2,842,808 km (0.105 R)
• M9: 3,112,384 km (0.102 R)
• M10: 3,984,838 km (0.068 R)
• M11: 4,545,232 km (0.108 R)
• M12: 5,690,404 km (0.037 R)
• M13: 5,956,987 km (0.107 R)
• M14: 6,231,948 km (0.092 R)
• M15: 6,544,308 km (0.061 R)
• M16: 7,108,292 km (0.099 R)
• M17: 7,704,141 km (0.075 R)
• M18: 8,333,050 km (0.117 R)
• M19: 8,747,436 km (0.091 R)
• M20: 10,624,291 km (0.092 R)
• M21: 12,574,599 km (0.084 R)
• M22: 15,053,286 km (0.089 R)
• M23: 15,410,226 km (0.113 R)
• M24: 19,716,850 km (0.1 R)
• M25: 21,080,734 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.7

Radius: 4.6

Gravity: 21.91 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 9.69 AU - 15.77 AU

Year: 17202 Days

Day: 18.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,527,601 km

• M1: 57,296 km (0.029 R)
• M2: 364,420 km (0.115 R)
• M3: 532,868 km (0.075 R)
• M4: 699,968 km (0.072 R)
• M5: 1,167,911 km (0.117 R)
• M6: 1,326,335 km (0.114 R)
• M7: 1,855,612 km (0.071 R)
• M8: 3,041,175 km (0.116 R)
• M9: 3,502,086 km (0.089 R)
• M10: 4,157,175 km (0.108 R)
• M11: 4,724,151 km (0.051 R)
• M12: 5,668,862 km (0.027 R)
• M13: 5,933,052 km (0.09 R)
• M14: 6,126,781 km (0.05 R)
• M15: 6,567,795 km (0.117 R)
• M16: 7,029,604 km (0.098 R)
• M17: 10,046,095 km (0.112 R)
• M18: 11,177,953 km (0.104 R)
• M19: 11,354,778 km (0.105 R)
• M20: 14,099,001 km (0.073 R)
• M21: 14,513,985 km (0.107 R)
• M22: 14,795,229 km (0.104 R)
• M23: 17,570,719 km (0.074 R)
• M24: 18,871,472 km (0.118 R)
• M25: 19,974,607 km (0.051 R)
• M26: 20,941,009 km (0.108 R)
• M27: 21,663,118 km (0.056 R)
• M28: 22,122,832 km (0.114 R)
• M29: 23,831,689 km (0.074 R)
• M30: 31,548,246 km (0.098 R)
• M31: 32,856,779 km (0.116 R)
• M32: 35,709,311 km (0.107 R)
• M33: 36,479,590 km (0.106 R)
• M34: 43,335,212 km (0.049 R)
• M35: 58,276,898 km (0.109 R)
• M36: 59,882,382 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.6

Radius: 7.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 12.08 AU - 13.46 AU

Year: 17284 Days

Day: 19.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,527,601 km

• M1: 92,003 km (0.086 R)
• M2: 376,538 km (0.052 R)
• M3: 746,643 km (0.091 R)
• M4: 1,073,814 km (0.034 R)
• M5: 1,668,465 km (0.055 R)
• M6: 1,904,530 km (0.102 R)
• M7: 2,751,703 km (0.119 R)
• M8: 3,153,374 km (0.096 R)
• M9: 4,243,493 km (0.052 R)
• M10: 6,321,108 km (0.118 R)
• M11: 7,600,769 km (0.093 R)
• M12: 7,858,675 km (0.109 R)
• M13: 8,760,900 km (0.056 R)
• M14: 12,583,574 km (0.046 R)
• M15: 14,200,129 km (0.083 R)
• M16: 15,465,877 km (0.07 R)
• M17: 17,243,548 km (0.087 R)
• M18: 18,450,354 km (0.073 R)
• M19: 20,118,221 km (0.102 R)
• M20: 25,721,858 km (0.074 R)
• M21: 26,402,229 km (0.087 R)
• M22: 37,105,209 km (0.105 R)
• M23: 38,982,662 km (0.07 R)
• M24: 41,583,271 km (0.074 R)
• M25: 43,061,747 km (0.066 R)
• M26: 43,470,897 km (0.056 R)
• M27: 44,158,748 km (0.087 R)
• M28: 46,408,551 km (0.063 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 19,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit