🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.81 AU - 0.81 AU

Year: 307 Days

Day: 45 Hours

Environment

Temp: -0 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.82 AU - 1.2 AU

Year: 428 Days

Day: 37 Hours

Environment

Temp: -48 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.02 AU - 1.58 AU

Year: 625 Days

Day: 32.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.31 AU - 1.65 AU

Year: 759 Days

Day: 19.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,303,572 km

• M1: 58,343 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 12

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.72 AU - 5.88 AU

Year: 4435 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,303,572 km

• M1: 152,889 km (0.089 R)
• M2: 634,744 km (0.09 R)
• M3: 1,028,485 km (0.092 R)
• M4: 1,449,454 km (0.097 R)
• M5: 2,054,727 km (0.116 R)
• M6: 2,448,468 km (0.062 R)
• M7: 2,875,421 km (0.038 R)
• M8: 3,313,742 km (0.107 R)
• M9: 3,946,392 km (0.037 R)
• M10: 4,513,966 km (0.115 R)
• M11: 5,135,396 km (0.117 R)
• M12: 6,247,955 km (0.114 R)
• M13: 7,021,077 km (0.119 R)
• M14: 9,928,362 km (0.11 R)
• M15: 12,770,572 km (0.075 R)
• M16: 13,408,008 km (0.065 R)
• M17: 14,377,851 km (0.088 R)
• M18: 15,448,523 km (0.049 R)
• M19: 15,891,483 km (0.091 R)
• M20: 20,532,457 km (0.098 R)
• M21: 23,161,042 km (0.12 R)
• M22: 25,159,968 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.6

Radius: 9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.26 AU - 11.22 AU

Year: 11846 Days

Day: 14.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,303,572 km

• M1: 116,238 km (0.086 R)
• M2: 621,130 km (0.103 R)
• M3: 1,061,247 km (0.11 R)
• M4: 1,614,610 km (0.108 R)
• M5: 2,169,319 km (0.058 R)
• M6: 4,102,871 km (0.05 R)
• M7: 5,263,900 km (0.106 R)
• M8: 5,902,982 km (0.11 R)
• M9: 7,335,382 km (0.098 R)
• M10: 13,984,259 km (0.086 R)
• M11: 14,299,612 km (0.109 R)
• M12: 14,944,378 km (0.105 R)
• M13: 15,675,912 km (0.061 R)
• M14: 17,792,273 km (0.109 R)
• M15: 20,983,345 km (0.059 R)
• M16: 22,583,743 km (0.108 R)
• M17: 24,445,638 km (0.059 R)
• M18: 25,742,353 km (0.106 R)
• M19: 31,282,261 km (0.066 R)
• M20: 38,177,825 km (0.075 R)
• M21: 40,301,367 km (0.12 R)
• M22: 41,977,462 km (0.118 R)
• M23: 42,370,755 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.7

Radius: 3.8

Gravity: 51.16 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 13.55 AU - 18.79 AU

Year: 27424 Days

Day: 19.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 96,303,572 km

• M1: 47,273 km (0.106 R)
• M2: 186,100 km (0.104 R)
• M3: 317,147 km (0.094 R)
• M4: 464,053 km (0.119 R)
• M5: 656,735 km (0.054 R)
• M6: 1,719,628 km (0.067 R)
• M7: 3,382,109 km (0.117 R)
• M8: 4,390,099 km (0.115 R)
• M9: 5,002,403 km (0.08 R)
• M10: 5,204,959 km (0.111 R)
• M11: 5,455,086 km (0.113 R)
• M12: 7,077,326 km (0.058 R)
• M13: 7,753,807 km (0.102 R)
• M14: 10,494,141 km (0.043 R)
• M15: 10,960,737 km (0.083 R)
• M16: 12,666,153 km (0.102 R)
• M17: 13,426,110 km (0.102 R)
• M18: 15,887,892 km (0.113 R)
• M19: 18,442,126 km (0.072 R)
• M20: 19,121,001 km (0.119 R)
• M21: 21,468,641 km (0.03 R)
• M22: 22,003,304 km (0.082 R)
• M23: 27,846,596 km (0.108 R)
• M24: 31,394,160 km (0.104 R)
• M25: 32,780,933 km (0.062 R)
• M26: 36,124,595 km (0.109 R)
• M27: 36,274,940 km (0.082 R)
• M28: 37,032,803 km (0.086 R)
• M29: 37,338,881 km (0.07 R)
• M30: 38,894,698 km (0.065 R)
• M31: 42,301,491 km (0.11 R)
• M32: 54,293,406 km (0.086 R)
• M33: 58,952,332 km (0.087 R)
• M34: 61,699,847 km (0.047 R)
• M35: 70,218,099 km (0.099 R)
• M36: 73,062,553 km (0.035 R)
• M37: 74,513,054 km (0.111 R)
• M38: 76,973,191 km (0.086 R)
• M39: 77,222,271 km (0.088 R)
• M40: 92,879,783 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 17,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit