🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.44 AU - 0.64 AU

Year: 144 Days

Day: 16.4 Hours

Environment

Temp: 217 °C

Axial Tilt: 105.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.52 AU - 1.96 AU

Year: 834 Days

Day: 37.3 Hours

Environment

Temp: -53 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.22 AU - 4.22 AU

Year: 2608 Days

Day: 14.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.63 AU - 4.25 AU

Year: 2842 Days

Day: 25.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.1 AU - 4.48 AU

Year: 3229 Days

Day: 27 Hours

Environment

Temp: -131 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.8 AU - 5.58 AU

Year: 3691 Days

Day: 46.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,666,440 km

• M1: 633,248 km (0.09 R)

Asteroid Belt

Center: 5.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.5

Radius: 12.5

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.03 AU - 6.21 AU

Year: 5502 Days

Day: 12.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,666,440 km

• M1: 155,582 km (0.061 R)
• M2: 581,038 km (0.064 R)
• M3: 1,038,508 km (0.059 R)
• M4: 1,604,138 km (0.097 R)
• M5: 2,151,068 km (0.086 R)
• M6: 2,876,169 km (0.112 R)
• M7: 4,450,686 km (0.087 R)
• M8: 4,840,837 km (0.059 R)
• M9: 8,098,630 km (0.095 R)
• M10: 8,564,179 km (0.082 R)
• M11: 11,646,793 km (0.105 R)
• M12: 12,443,551 km (0.103 R)
• M13: 13,329,619 km (0.073 R)
• M14: 14,035,272 km (0.102 R)
• M15: 15,758,789 km (0.098 R)
• M16: 16,547,918 km (0.058 R)
• M17: 17,427,105 km (0.097 R)
• M18: 18,871,173 km (0.099 R)
• M19: 20,678,914 km (0.11 R)
• M20: 23,446,773 km (0.102 R)
• M21: 24,555,742 km (0.077 R)
• M22: 27,480,830 km (0.057 R)
• M23: 30,630,762 km (0.041 R)
• M24: 31,099,602 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.7

Radius: 9.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.76 AU - 9.46 AU

Year: 7630 Days

Day: 11.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,666,440 km

• M1: 124,615 km (0.089 R)
• M2: 715,975 km (0.075 R)
• M3: 1,063,940 km (0.056 R)
• M4: 1,709,006 km (0.071 R)
• M5: 2,564,855 km (0.094 R)
• M6: 4,352,400 km (0.045 R)
• M7: 5,049,377 km (0.1 R)
• M8: 5,438,331 km (0.093 R)
• M9: 5,903,132 km (0.101 R)
• M10: 6,217,886 km (0.103 R)
• M11: 8,564,179 km (0.056 R)
• M12: 11,054,834 km (0.095 R)
• M13: 11,490,463 km (0.071 R)
• M14: 13,495,074 km (0.071 R)
• M15: 15,996,650 km (0.068 R)
• M16: 17,124,767 km (0.039 R)
• M17: 17,473,330 km (0.077 R)
• M18: 20,630,444 km (0.118 R)
• M19: 21,897,987 km (0.104 R)
• M20: 23,429,570 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.1

Radius: 5.8

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 13.78 AU - 21.02 AU

Year: 26379 Days

Day: 16.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,666,440 km

• M1: 72,555 km (0.115 R)
• M2: 389,254 km (0.104 R)
• M3: 910,453 km (0.052 R)
• M4: 2,188,617 km (0.089 R)
• M5: 4,463,103 km (0.054 R)
• M6: 7,191,768 km (0.094 R)
• M7: 10,201,827 km (0.036 R)
• M8: 20,088,451 km (0.075 R)
• M9: 20,557,590 km (0.108 R)
• M10: 24,048,157 km (0.038 R)
• M11: 30,422,223 km (0.071 R)
• M12: 32,817,285 km (0.072 R)
• M13: 33,076,388 km (0.073 R)
• M14: 34,126,865 km (0.038 R)
• M15: 37,270,664 km (0.099 R)
• M16: 47,850,076 km (0.093 R)
• M17: 49,873,387 km (0.12 R)
• M18: 55,179,623 km (0.056 R)
• M19: 60,072,521 km (0.102 R)
• M20: 65,656,710 km (0.104 R)
• M21: 65,862,407 km (0.068 R)
• M22: 71,577,196 km (0.087 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 12,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit