🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.78 AU - 1.14 AU

Year: 354 Days

Day: 17.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.11 AU - 1.11 AU

Year: 441 Days

Day: 30.2 Hours

Environment

Temp: 2 °C

Axial Tilt: 22.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,370,978 km

• M1: 109,506 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1 AU - 1.36 AU

Year: 483 Days

Day: 21.9 Hours

Environment

Temp: -2 °C

Axial Tilt: 48.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.58 AU - 4.46 AU

Year: 3036 Days

Day: 19.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,370,978 km

• M1: 484,548 km (0.038 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.14 AU - 5.24 AU

Year: 3231 Days

Day: 43.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,370,978 km

• M1: 464,202 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.2 AU - 4.2 AU

Year: 3243 Days

Day: 22.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 103.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.9

Radius: 8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.99 AU - 6.41 AU

Year: 5816 Days

Day: 8.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,370,978 km

• M1: 115,490 km (0.083 R)
• M2: 575,952 km (0.109 R)
• M3: 1,201,869 km (0.068 R)
• M4: 1,493,286 km (0.054 R)
• M5: 1,943,127 km (0.066 R)
• M6: 2,221,229 km (0.084 R)
• M7: 2,842,210 km (0.112 R)
• M8: 3,593,042 km (0.088 R)
• M9: 4,514,714 km (0.09 R)
• M10: 4,815,107 km (0.091 R)
• M11: 5,664,673 km (0.114 R)
• M12: 6,551,938 km (0.114 R)
• M13: 10,194,646 km (0.05 R)
• M14: 12,021,086 km (0.115 R)
• M15: 15,205,277 km (0.087 R)
• M16: 16,579,334 km (0.075 R)
• M17: 16,852,799 km (0.028 R)
• M18: 18,207,557 km (0.057 R)
• M19: 19,030,495 km (0.118 R)
• M20: 19,511,751 km (0.093 R)
• M21: 21,453,681 km (0.106 R)
• M22: 21,975,030 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 9.5

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 9.23 AU - 14.19 AU

Year: 15096 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,370,978 km

• M1: 118,182 km (0.1 R)
• M2: 885,769 km (0.12 R)
• M3: 1,378,096 km (0.06 R)
• M4: 1,926,671 km (0.12 R)
• M5: 2,762,325 km (0.113 R)
• M6: 3,985,736 km (0.098 R)
• M7: 6,297,322 km (0.114 R)
• M8: 7,889,792 km (0.103 R)
• M9: 8,615,042 km (0.109 R)
• M10: 10,515,534 km (0.112 R)
• M11: 14,653,411 km (0.096 R)
• M12: 15,194,207 km (0.12 R)
• M13: 19,359,760 km (0.093 R)
• M14: 21,357,340 km (0.102 R)
• M15: 22,406,021 km (0.118 R)
• M16: 23,764,669 km (0.117 R)
• M17: 24,795,398 km (0.118 R)
• M18: 30,728,001 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.7

Radius: 7.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 17.83 AU - 18.89 AU

Year: 29637 Days

Day: 21.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,370,978 km

• M1: 97,687 km (0.116 R)
• M2: 358,137 km (0.098 R)
• M3: 614,398 km (0.115 R)
• M4: 1,108,670 km (0.109 R)
• M5: 2,825,904 km (0.108 R)
• M6: 3,374,030 km (0.118 R)
• M7: 4,342,826 km (0.097 R)
• M8: 4,680,618 km (0.038 R)
• M9: 5,881,141 km (0.039 R)
• M10: 10,104,439 km (0.026 R)
• M11: 12,088,555 km (0.073 R)
• M12: 15,608,743 km (0.119 R)
• M13: 16,082,070 km (0.035 R)
• M14: 17,474,976 km (0.09 R)
• M15: 26,655,648 km (0.092 R)
• M16: 28,019,382 km (0.056 R)
• M17: 30,394,547 km (0.068 R)
• M18: 31,256,680 km (0.112 R)
• M19: 34,204,207 km (0.072 R)
• M20: 35,271,438 km (0.065 R)
• M21: 36,774,897 km (0.047 R)
• M22: 43,216,730 km (0.076 R)
• M23: 46,865,722 km (0.09 R)
• M24: 53,158,107 km (0.072 R)
• M25: 54,228,779 km (0.033 R)
• M26: 63,118,633 km (0.039 R)
• M27: 63,917,336 km (0.119 R)
• M28: 66,148,139 km (0.028 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 12,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit