🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.48 AU - 0.56 AU

Year: 138 Days

Day: 46.2 Hours

Environment

Temp: 224 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.54 AU - 0.62 AU

Year: 162 Days

Day: 25.2 Hours

Environment

Temp: 139 °C

Axial Tilt: 79 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 75,275,600 km

• M1: 192,832 km (0.111 R)
• M2: 387,608 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.85 AU - 0.93 AU

Year: 308 Days

Day: 31.1 Hours

Environment

Temp: 96 °C

Axial Tilt: 0 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,275,600 km

• M1: 52,359 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.87 AU - 1.45 AU

Year: 459 Days

Day: 47.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.62 AU - 3.1 AU

Year: 1776 Days

Day: 17.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.24 AU - 3.5 AU

Year: 1785 Days

Day: 20.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.4

Radius: 14.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.38 AU - 6.3 AU

Year: 5181 Days

Day: 7.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,275,600 km

• M1: 183,557 km (0.102 R)
• M2: 697,425 km (0.042 R)
• M3: 1,220,569 km (0.102 R)
• M4: 1,679,685 km (0.108 R)
• M5: 2,614,672 km (0.102 R)
• M6: 3,564,169 km (0.049 R)
• M7: 5,668,563 km (0.043 R)
• M8: 6,855,023 km (0.061 R)
• M9: 7,762,783 km (0.087 R)
• M10: 8,905,860 km (0.109 R)
• M11: 12,890,250 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.6

Radius: 7.3

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 11.51 AU - 13.51 AU

Year: 16243 Days

Day: 16.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,275,600 km

• M1: 90,806 km (0.116 R)
• M2: 366,814 km (0.118 R)
• M3: 1,072,018 km (0.118 R)
• M4: 1,372,411 km (0.116 R)
• M5: 1,617,003 km (0.082 R)
• M6: 2,904,592 km (0.1 R)
• M7: 3,448,530 km (0.067 R)
• M8: 4,032,710 km (0.043 R)
• M9: 4,824,382 km (0.09 R)
• M10: 6,013,236 km (0.063 R)
• M11: 10,638,054 km (0.088 R)
• M12: 11,293,891 km (0.048 R)
• M13: 14,129,220 km (0.052 R)
• M14: 16,997,011 km (0.109 R)
• M15: 19,479,438 km (0.093 R)
• M16: 21,631,852 km (0.115 R)
• M17: 39,130,465 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.6

Radius: 6.5

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 12.23 AU - 17.63 AU

Year: 21177 Days

Day: 24 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,275,600 km

• M1: 80,932 km (0.086 R)
• M2: 344,973 km (0.075 R)
• M3: 1,342,342 km (0.087 R)
• M4: 1,785,151 km (0.043 R)
• M5: 2,011,194 km (0.095 R)
• M6: 2,235,291 km (0.119 R)
• M7: 3,010,358 km (0.066 R)
• M8: 3,889,694 km (0.071 R)
• M9: 5,150,355 km (0.056 R)
• M10: 5,812,625 km (0.088 R)
• M11: 6,227,759 km (0.113 R)
• M12: 7,070,893 km (0.075 R)
• M13: 7,838,031 km (0.102 R)
• M14: 8,501,198 km (0.091 R)
• M15: 9,090,913 km (0.065 R)
• M16: 9,480,167 km (0.118 R)
• M17: 9,822,596 km (0.113 R)
• M18: 10,411,713 km (0.072 R)
• M19: 11,466,826 km (0.06 R)
• M20: 14,376,056 km (0.11 R)
• M21: 15,840,470 km (0.11 R)
• M22: 19,516,837 km (0.058 R)
• M23: 21,114,842 km (0.091 R)
• M24: 22,696,690 km (0.115 R)
• M25: 26,094,357 km (0.104 R)
• M26: 28,264,274 km (0.11 R)
• M27: 29,695,028 km (0.071 R)
• M28: 30,182,418 km (0.088 R)
• M29: 43,387,721 km (0.11 R)
• M30: 44,173,259 km (0.025 R)
• M31: 45,934,625 km (0.047 R)
• M32: 49,426,239 km (0.084 R)
• M33: 50,282,986 km (0.089 R)
• M34: 55,816,462 km (0.107 R)
• M35: 59,980,817 km (0.088 R)
• M36: 62,735,961 km (0.057 R)
• M37: 65,163,636 km (0.08 R)
• M38: 72,380,985 km (0.091 R)
• M39: 73,930,221 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 18,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit