🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.74 AU - 1.22 AU

Year: 354 Days

Day: 47.1 Hours

Environment

Temp: 35 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.85 AU - 1.19 AU

Year: 376 Days

Day: 13.7 Hours

Environment

Temp: 18 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.39 AU - 2.01 AU

Year: 810 Days

Day: 24.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,875,847 km

• M1: 38,447 km (0.09 R)
• M2: 1,434,943 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.06 AU - 4.32 AU

Year: 3133 Days

Day: 42.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,875,847 km

• M1: 581,337 km (0.093 R)

Asteroid Belt

Center: 4.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 12.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.09 AU - 5.69 AU

Year: 3950 Days

Day: 13.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,875,847 km

• M1: 160,369 km (0.097 R)
• M2: 566,826 km (0.059 R)
• M3: 1,075,609 km (0.114 R)
• M4: 1,592,918 km (0.077 R)
• M5: 2,147,029 km (0.034 R)
• M6: 2,777,733 km (0.086 R)
• M7: 3,529,313 km (0.09 R)
• M8: 4,412,539 km (0.103 R)
• M9: 5,738,874 km (0.115 R)
• M10: 6,525,010 km (0.105 R)
• M11: 7,348,696 km (0.078 R)
• M12: 7,785,971 km (0.091 R)
• M13: 8,312,106 km (0.051 R)
• M14: 9,751,986 km (0.067 R)
• M15: 10,531,540 km (0.118 R)
• M16: 12,075,989 km (0.091 R)
• M17: 13,867,872 km (0.099 R)
• M18: 14,433,203 km (0.062 R)
• M19: 15,886,396 km (0.111 R)
• M20: 16,619,875 km (0.087 R)
• M21: 18,831,679 km (0.047 R)
• M22: 19,334,478 km (0.064 R)
• M23: 21,436,477 km (0.076 R)
• M24: 23,759,283 km (0.086 R)
• M25: 25,704,205 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.6

Radius: 13.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.74 AU - 8.28 AU

Year: 8280 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,875,847 km

• M1: 184,305 km (0.079 R)
• M2: 1,102,985 km (0.067 R)
• M3: 1,895,704 km (0.057 R)
• M4: 2,366,040 km (0.112 R)
• M5: 4,886,914 km (0.086 R)
• M6: 6,177,943 km (0.071 R)
• M7: 6,865,345 km (0.096 R)
• M8: 9,456,979 km (0.111 R)
• M9: 10,643,141 km (0.064 R)
• M10: 11,307,804 km (0.119 R)
• M11: 11,741,937 km (0.084 R)
• M12: 12,262,388 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.1

Radius: 6.1

Gravity: 19.78 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 10.67 AU - 15.41 AU

Year: 17199 Days

Day: 17.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,875,847 km

• M1: 78,389 km (0.079 R)
• M2: 286,031 km (0.105 R)
• M3: 856,597 km (0.113 R)
• M4: 1,356,553 km (0.09 R)
• M5: 2,034,381 km (0.07 R)
• M6: 2,470,459 km (0.083 R)
• M7: 3,584,365 km (0.093 R)
• M8: 3,878,325 km (0.107 R)
• M9: 4,316,647 km (0.113 R)
• M10: 6,032,235 km (0.064 R)
• M11: 8,107,606 km (0.09 R)
• M12: 8,929,048 km (0.113 R)
• M13: 10,032,183 km (0.105 R)
• M14: 10,796,179 km (0.06 R)
• M15: 11,409,830 km (0.11 R)
• M16: 14,026,446 km (0.116 R)
• M17: 15,666,039 km (0.102 R)
• M18: 25,167,299 km (0.076 R)
• M19: 27,127,180 km (0.085 R)
• M20: 27,802,465 km (0.113 R)
• M21: 31,471,203 km (0.071 R)
• M22: 32,973,914 km (0.048 R)
• M23: 35,852,027 km (0.104 R)
• M24: 45,168,683 km (0.081 R)
• M25: 45,483,288 km (0.109 R)
• M26: 46,276,157 km (0.116 R)
• M27: 51,228,145 km (0.07 R)
• M28: 51,741,864 km (0.059 R)
• M29: 69,218,336 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.2

Radius: 6.5

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 13.44 AU - 14.74 AU

Year: 19318 Days

Day: 22.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,875,847 km

• M1: 84,224 km (0.071 R)
• M2: 405,560 km (0.064 R)
• M3: 640,129 km (0.073 R)
• M4: 1,156,242 km (0.06 R)
• M5: 2,489,309 km (0.097 R)
• M6: 3,111,636 km (0.032 R)
• M7: 3,359,370 km (0.091 R)
• M8: 3,620,418 km (0.114 R)
• M9: 3,926,346 km (0.055 R)
• M10: 4,150,593 km (0.11 R)
• M11: 4,383,367 km (0.103 R)
• M12: 4,624,968 km (0.099 R)
• M13: 7,554,692 km (0.067 R)
• M14: 7,953,221 km (0.11 R)
• M15: 9,011,028 km (0.11 R)
• M16: 9,289,429 km (0.106 R)
• M17: 9,805,243 km (0.111 R)
• M18: 12,674,231 km (0.032 R)
• M19: 14,261,614 km (0.068 R)
• M20: 16,884,513 km (0.107 R)
• M21: 21,544,038 km (0.047 R)
• M22: 26,309,628 km (0.084 R)
• M23: 28,756,151 km (0.046 R)
• M24: 33,163,903 km (0.105 R)
• M25: 40,512,300 km (0.082 R)
• M26: 40,966,629 km (0.088 R)
• M27: 44,723,929 km (0.114 R)
• M28: 55,480,315 km (0.074 R)
• M29: 57,172,267 km (0.117 R)
• M30: 62,052,150 km (0.109 R)
• M31: 69,124,239 km (0.056 R)
• M32: 69,772,896 km (0.063 R)
• M33: 73,750,105 km (0.113 R)
• M34: 75,336,740 km (0.109 R)
• M35: 76,483,856 km (0.118 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: 188 - 15,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit