🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.7 AU - 1.02 AU

Year: 302 Days

Day: 19.1 Hours

Environment

Temp: 24 °C

Axial Tilt: 49 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.41 AU - 2.33 AU

Year: 969 Days

Day: 37.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.85 AU - 2.27 AU

Year: 1120 Days

Day: 38.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 10.2

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.33 AU - 6.39 AU

Year: 6075 Days

Day: 11 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,948,477 km

• M1: 127,158 km (0.088 R)
• M2: 523,892 km (0.083 R)
• M3: 1,042,248 km (0.083 R)
• M4: 1,506,002 km (0.118 R)
• M5: 2,119,203 km (0.086 R)
• M6: 3,712,271 km (0.065 R)
• M7: 4,085,967 km (0.109 R)
• M8: 5,306,236 km (0.101 R)
• M9: 6,627,335 km (0.084 R)
• M10: 7,657,167 km (0.093 R)
• M11: 9,660,133 km (0.1 R)
• M12: 15,274,691 km (0.1 R)
• M13: 17,303,387 km (0.103 R)
• M14: 18,225,658 km (0.1 R)
• M15: 20,100,867 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.7

Radius: 14.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.77 AU - 10.51 AU

Year: 9619 Days

Day: 9 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,948,477 km

• M1: 186,399 km (0.077 R)
• M2: 652,995 km (0.086 R)
• M3: 1,610,870 km (0.108 R)
• M4: 2,706,824 km (0.056 R)
• M5: 3,521,085 km (0.101 R)
• M6: 4,256,209 km (0.118 R)
• M7: 4,879,284 km (0.08 R)
• M8: 5,769,541 km (0.078 R)
• M9: 8,103,268 km (0.11 R)
• M10: 9,910,560 km (0.093 R)
• M11: 11,973,814 km (0.12 R)
• M12: 15,001,375 km (0.098 R)
• M13: 17,375,493 km (0.065 R)
• M14: 19,328,344 km (0.081 R)
• M15: 21,106,614 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812

Radius: 4.4

Gravity: 41.94 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 15.15 AU - 16.77 AU

Year: 24149 Days

Day: 18.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 87.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 91,948,477 km

• M1: 56,997 km (0.1 R)
• M2: 241,601 km (0.108 R)
• M3: 421,567 km (0.031 R)
• M4: 1,053,169 km (0.116 R)
• M5: 1,300,604 km (0.048 R)
• M6: 2,036,625 km (0.089 R)
• M7: 2,469,711 km (0.1 R)
• M8: 2,826,353 km (0.109 R)
• M9: 3,578,531 km (0.096 R)
• M10: 4,103,021 km (0.11 R)
• M11: 4,312,308 km (0.105 R)
• M12: 4,565,577 km (0.099 R)
• M13: 6,530,097 km (0.103 R)
• M14: 6,719,488 km (0.071 R)
• M15: 7,670,332 km (0.072 R)
• M16: 9,053,514 km (0.083 R)
• M17: 9,896,647 km (0.1 R)
• M18: 17,767,889 km (0.088 R)
• M19: 19,084,051 km (0.107 R)
• M20: 21,281,643 km (0.076 R)
• M21: 21,908,907 km (0.082 R)
• M22: 27,378,355 km (0.096 R)
• M23: 28,875,231 km (0.051 R)
• M24: 30,425,813 km (0.116 R)
• M25: 31,221,524 km (0.104 R)
• M26: 32,167,282 km (0.076 R)
• M27: 34,686,660 km (0.097 R)
• M28: 35,700,784 km (0.111 R)
• M29: 38,246,042 km (0.108 R)
• M30: 39,484,563 km (0.114 R)
• M31: 41,878,578 km (0.107 R)
• M32: 43,028,088 km (0.07 R)
• M33: 44,198,541 km (0.076 R)
• M34: 45,734,313 km (0.093 R)
• M35: 46,777,609 km (0.063 R)
• M36: 48,014,933 km (0.098 R)
• M37: 74,647,243 km (0.092 R)
• M38: 75,850,309 km (0.057 R)
• M39: 83,084,114 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760

Radius: 7.8

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 12.86 AU - 20 AU

Year: 25223 Days

Day: 18.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,948,477 km

• M1: 502,200 km (0.045 R)
• M2: 1,549,535 km (0.073 R)
• M3: 3,022,924 km (0.04 R)
• M4: 4,241,100 km (0.12 R)
• M5: 4,902,023 km (0.092 R)
• M6: 5,714,938 km (0.117 R)
• M7: 14,005,053 km (0.064 R)
• M8: 18,675,050 km (0.113 R)
• M9: 20,741,146 km (0.034 R)
• M10: 26,264,599 km (0.095 R)
• M11: 34,523,449 km (0.104 R)
• M12: 37,166,693 km (0.08 R)
• M13: 44,698,946 km (0.101 R)
• M14: 45,040,329 km (0.105 R)
• M15: 46,948,749 km (0.092 R)
• M16: 50,003,387 km (0.119 R)
• M17: 63,118,932 km (0.118 R)
• M18: 65,286,904 km (0.096 R)
• M19: 71,387,655 km (0.067 R)
• M20: 80,854,508 km (0.12 R)
• M21: 81,107,627 km (0.067 R)
• M22: 84,968,748 km (0.046 R)
• M23: 90,305,054 km (0.084 R)
• M24: 90,577,621 km (0.066 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 13,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit