🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.41 AU - 1.93 AU

Year: 796 Days

Day: 24.3 Hours

Environment

Temp: -59 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.79 AU - 2.07 AU

Year: 989 Days

Day: 45.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.24 AU - 2.32 AU

Year: 1270 Days

Day: 38.2 Hours

Environment

Temp: -82 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.03 AU - 3.29 AU

Year: 1601 Days

Day: 22.9 Hours

Environment

Temp: -98 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.14 AU - 3.44 AU

Year: 2202 Days

Day: 30.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,413,172 km

• M1: 49,068 km (0.108 R)
• M2: 287,976 km (0.105 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.74 AU - 4.1 AU

Year: 2864 Days

Day: 16.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,413,172 km

• M1: 44,131 km (0.114 R)
• M2: 1,033,721 km (0.105 R)

Asteroid Belt

Center: 4.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.8

Radius: 8.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.18 AU - 5.54 AU

Year: 4579 Days

Day: 6.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,413,172 km

• M1: 108,458 km (0.101 R)
• M2: 474,225 km (0.117 R)
• M3: 800,199 km (0.061 R)
• M4: 1,241,363 km (0.106 R)
• M5: 1,814,921 km (0.1 R)
• M6: 2,585,500 km (0.114 R)
• M7: 2,886,192 km (0.083 R)
• M8: 3,577,932 km (0.089 R)
• M9: 3,851,696 km (0.103 R)
• M10: 4,970,539 km (0.09 R)
• M11: 8,332,751 km (0.034 R)
• M12: 9,029,279 km (0.117 R)
• M13: 9,954,093 km (0.075 R)
• M14: 11,104,351 km (0.049 R)
• M15: 11,690,326 km (0.111 R)
• M16: 12,473,770 km (0.1 R)
• M17: 13,478,319 km (0.111 R)
• M18: 15,288,154 km (0.025 R)
• M19: 17,756,818 km (0.12 R)
• M20: 19,443,086 km (0.085 R)
• M21: 20,729,029 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 11.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.15 AU - 8.85 AU

Year: 9143 Days

Day: 9.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,413,172 km

• M1: 147,952 km (0.077 R)
• M2: 723,007 km (0.1 R)
• M3: 1,174,343 km (0.093 R)
• M4: 2,226,615 km (0.089 R)
• M5: 3,149,783 km (0.093 R)
• M6: 4,368,707 km (0.063 R)
• M7: 5,472,889 km (0.118 R)
• M8: 6,306,747 km (0.082 R)
• M9: 6,792,791 km (0.101 R)
• M10: 7,344,059 km (0.099 R)
• M11: 8,226,836 km (0.108 R)
• M12: 11,086,848 km (0.118 R)
• M13: 12,362,768 km (0.093 R)
• M14: 13,920,381 km (0.067 R)
• M15: 20,324,816 km (0.099 R)
• M16: 21,056,947 km (0.051 R)
• M17: 22,230,692 km (0.107 R)
• M18: 22,746,955 km (0.112 R)
• M19: 23,359,259 km (0.108 R)
• M20: 26,013,873 km (0.083 R)
• M21: 26,491,090 km (0.051 R)
• M22: 29,169,790 km (0.099 R)
• M23: 30,101,485 km (0.09 R)
• M24: 36,946,485 km (0.086 R)
• M25: 42,088,912 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.4

Radius: 5.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 15.64 AU - 21.42 AU

Year: 29430 Days

Day: 24.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,413,172 km

• M1: 74,500 km (0.058 R)
• M2: 467,493 km (0.085 R)
• M3: 1,097,300 km (0.119 R)
• M4: 1,831,527 km (0.044 R)
• M5: 2,049,940 km (0.1 R)
• M6: 5,360,690 km (0.071 R)
• M7: 7,386,844 km (0.045 R)
• M8: 8,742,350 km (0.092 R)
• M9: 9,640,087 km (0.051 R)
• M10: 12,259,695 km (0.11 R)
• M11: 12,981,804 km (0.099 R)
• M12: 14,694,400 km (0.067 R)
• M13: 16,287,169 km (0.111 R)
• M14: 16,887,655 km (0.107 R)
• M15: 18,061,998 km (0.077 R)
• M16: 19,586,550 km (0.091 R)
• M17: 23,305,703 km (0.064 R)
• M18: 25,552,663 km (0.114 R)
• M19: 27,097,410 km (0.093 R)
• M20: 30,672,799 km (0.075 R)
• M21: 30,874,607 km (0.111 R)
• M22: 35,208,457 km (0.04 R)
• M23: 38,157,181 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 16,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit