🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.1 AU - 1.38 AU

Year: 495 Days

Day: 17.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 64,547,800 km

• M1: 451,038 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.18 AU - 1.54 AU

Year: 568 Days

Day: 37.5 Hours

Environment

Temp: -11 °C

Axial Tilt: 17.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.2

Radius: 8.9

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.3 AU - 6.4 AU

Year: 4432 Days

Day: 10.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,547,800 km

• M1: 110,702 km (0.05 R)
• M2: 510,877 km (0.103 R)
• M3: 969,544 km (0.112 R)
• M4: 2,098,409 km (0.066 R)
• M5: 3,720,948 km (0.09 R)
• M6: 4,813,910 km (0.107 R)
• M7: 5,531,531 km (0.098 R)
• M8: 5,930,808 km (0.112 R)
• M9: 8,858,588 km (0.08 R)
• M10: 10,698,342 km (0.115 R)
• M11: 11,139,506 km (0.027 R)
• M12: 12,058,037 km (0.106 R)
• M13: 14,255,630 km (0.084 R)
• M14: 17,725,553 km (0.036 R)
• M15: 20,485,334 km (0.102 R)
• M16: 25,883,872 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.9

Radius: 13.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.2 AU - 5.66 AU

Year: 4532 Days

Day: 5.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 95.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,547,800 km

• M1: 174,132 km (0.093 R)
• M2: 611,706 km (0.041 R)
• M3: 1,087,277 km (0.045 R)
• M4: 1,939,686 km (0.09 R)
• M5: 2,391,322 km (0.082 R)
• M6: 4,386,808 km (0.111 R)
• M7: 9,032,121 km (0.096 R)
• M8: 10,961,485 km (0.088 R)
• M9: 13,871,612 km (0.084 R)
• M10: 14,661,788 km (0.087 R)
• M11: 15,808,755 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.4

Radius: 9.4

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.36 AU - 10.88 AU

Year: 11530 Days

Day: 5.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,547,800 km

• M1: 116,986 km (0.083 R)
• M2: 450,888 km (0.113 R)
• M3: 838,197 km (0.119 R)
• M4: 1,268,291 km (0.032 R)
• M5: 1,673,103 km (0.103 R)
• M6: 2,831,888 km (0.048 R)
• M7: 3,286,067 km (0.072 R)
• M8: 4,311,859 km (0.072 R)
• M9: 5,538,263 km (0.068 R)
• M10: 5,958,782 km (0.101 R)
• M11: 6,590,684 km (0.093 R)
• M12: 7,184,887 km (0.117 R)
• M13: 9,524,448 km (0.049 R)
• M14: 11,981,443 km (0.098 R)
• M15: 13,109,860 km (0.039 R)
• M16: 13,794,569 km (0.104 R)
• M17: 16,344,764 km (0.098 R)
• M18: 20,158,014 km (0.072 R)
• M19: 21,664,614 km (0.095 R)
• M20: 22,096,204 km (0.113 R)
• M21: 22,976,438 km (0.116 R)
• M22: 28,036,137 km (0.09 R)
• M23: 30,661,729 km (0.051 R)
• M24: 33,104,214 km (0.072 R)
• M25: 36,396,713 km (0.064 R)
• M26: 38,247,388 km (0.059 R)
• M27: 45,570,354 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.8

Radius: 10.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 10.83 AU - 13.27 AU

Year: 14981 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,547,800 km

• M1: 128,056 km (0.052 R)
• M2: 817,702 km (0.096 R)
• M3: 1,620,145 km (0.072 R)
• M4: 2,714,603 km (0.106 R)
• M5: 3,681,903 km (0.104 R)
• M6: 4,216,715 km (0.036 R)
• M7: 12,179,511 km (0.098 R)
• M8: 13,003,645 km (0.095 R)
• M9: 14,632,168 km (0.093 R)
• M10: 16,322,324 km (0.089 R)
• M11: 18,824,648 km (0.108 R)
• M12: 19,765,918 km (0.078 R)
• M13: 23,756,142 km (0.071 R)
• M14: 24,577,135 km (0.075 R)
• M15: 29,278,398 km (0.057 R)
• M16: 43,043,646 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.8

Radius: 7.9

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 12.78 AU - 19.04 AU

Year: 22729 Days

Day: 19.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,547,800 km

• M1: 98,735 km (0.063 R)
• M2: 443,707 km (0.081 R)
• M3: 1,081,293 km (0.111 R)
• M4: 1,637,797 km (0.067 R)
• M5: 2,190,412 km (0.088 R)
• M6: 2,478,089 km (0.082 R)
• M7: 4,443,356 km (0.069 R)
• M8: 4,738,064 km (0.1 R)
• M9: 7,181,446 km (0.114 R)
• M10: 8,597,390 km (0.063 R)
• M11: 14,370,222 km (0.072 R)
• M12: 17,232,029 km (0.099 R)
• M13: 18,966,168 km (0.079 R)
• M14: 20,363,262 km (0.076 R)
• M15: 24,455,811 km (0.116 R)
• M16: 24,760,392 km (0.112 R)
• M17: 26,320,698 km (0.11 R)
• M18: 34,096,347 km (0.115 R)
• M19: 37,350,699 km (0.035 R)
• M20: 38,434,386 km (0.113 R)
• M21: 54,315,247 km (0.1 R)
• M22: 58,375,483 km (0.114 R)
• M23: 63,777,462 km (0.096 R)

Kuiper Belt

Range: 30.6 - 57.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 14,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit