🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.44 AU - 0.66 AU

Year: 176 Days

Day: 26 Hours

Environment

Temp: 39 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.66 AU - 1.1 AU

Year: 355 Days

Day: 45 Hours

Environment

Temp: -41 °C

Axial Tilt: 89.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.74 AU - 1.16 AU

Year: 399 Days

Day: 33.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.9 AU - 1.06 AU

Year: 418 Days

Day: 18 Hours

Environment

Temp: -54 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.22 AU - 2.96 AU

Year: 1794 Days

Day: 28.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.7

Radius: 11.8

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.17 AU - 5.49 AU

Year: 4569 Days

Day: 14.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,301,351 km

• M1: 147,055 km (0.109 R)
• M2: 811,718 km (0.118 R)
• M3: 1,189,602 km (0.096 R)
• M4: 1,566,738 km (0.043 R)
• M5: 2,311,138 km (0.119 R)
• M6: 3,258,391 km (0.105 R)
• M7: 4,227,935 km (0.118 R)
• M8: 5,323,889 km (0.116 R)
• M9: 5,878,149 km (0.099 R)
• M10: 7,068,200 km (0.071 R)
• M11: 8,070,955 km (0.103 R)
• M12: 8,685,204 km (0.043 R)
• M13: 10,007,200 km (0.106 R)
• M14: 12,687,695 km (0.118 R)
• M15: 15,003,320 km (0.038 R)
• M16: 15,932,772 km (0.077 R)
• M17: 17,273,019 km (0.105 R)
• M18: 18,164,173 km (0.113 R)
• M19: 21,021,942 km (0.096 R)
• M20: 25,443,606 km (0.095 R)
• M21: 27,101,898 km (0.057 R)
• M22: 27,613,224 km (0.076 R)
• M23: 28,479,545 km (0.114 R)
• M24: 29,993,924 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.5

Radius: 7.1

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.5 AU - 12.4 AU

Year: 14541 Days

Day: 15.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,301,351 km

• M1: 88,562 km (0.099 R)
• M2: 1,814,323 km (0.106 R)
• M3: 2,282,864 km (0.095 R)
• M4: 2,807,653 km (0.083 R)
• M5: 4,411,342 km (0.05 R)
• M6: 5,323,739 km (0.074 R)
• M7: 5,986,159 km (0.047 R)
• M8: 13,706,157 km (0.117 R)
• M9: 18,638,548 km (0.097 R)
• M10: 23,076,968 km (0.09 R)
• M11: 28,896,923 km (0.089 R)
• M12: 29,633,693 km (0.07 R)
• M13: 37,704,647 km (0.098 R)
• M14: 39,606,186 km (0.04 R)
• M15: 46,119,976 km (0.062 R)
• M16: 50,231,075 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.5

Radius: 3.7

Gravity: 67.9 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 11.61 AU - 12.11 AU

Year: 17581 Days

Day: 16.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,301,351 km

• M1: 46,076 km (0.118 R)
• M2: 179,517 km (0.111 R)
• M3: 301,589 km (0.091 R)
• M4: 432,338 km (0.109 R)
• M5: 1,516,474 km (0.082 R)
• M6: 1,910,814 km (0.051 R)
• M7: 3,246,124 km (0.113 R)
• M8: 4,055,149 km (0.075 R)
• M9: 4,916,534 km (0.077 R)
• M10: 5,178,031 km (0.098 R)
• M11: 6,060,659 km (0.102 R)
• M12: 6,231,350 km (0.069 R)
• M13: 7,419,606 km (0.102 R)
• M14: 7,813,646 km (0.065 R)
• M15: 8,589,910 km (0.073 R)
• M16: 8,805,181 km (0.111 R)
• M17: 10,054,772 km (0.054 R)
• M18: 13,110,907 km (0.06 R)
• M19: 14,203,121 km (0.098 R)
• M20: 15,993,508 km (0.115 R)
• M21: 28,761,387 km (0.07 R)
• M22: 33,692,283 km (0.12 R)
• M23: 33,825,575 km (0.103 R)
• M24: 35,453,199 km (0.11 R)
• M25: 39,010,338 km (0.085 R)
• M26: 39,452,549 km (0.119 R)
• M27: 40,047,350 km (0.075 R)
• M28: 40,950,772 km (0.109 R)
• M29: 42,176,277 km (0.081 R)
• M30: 47,323,192 km (0.066 R)
• M31: 52,335,169 km (0.078 R)
• M32: 59,617,295 km (0.055 R)
• M33: 65,449,667 km (0.073 R)
• M34: 68,183,269 km (0.111 R)
• M35: 71,871,455 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 18,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit