🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 11.1

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.55 AU - 0.57 AU

Year: 295 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,632,514 km

• M1: 138,079 km (0.051 R)
• M2: 711,637 km (0.07 R)
• M3: 1,059,303 km (0.066 R)
• M4: 1,519,017 km (0.103 R)
• M5: 1,932,206 km (0.085 R)
• M6: 2,277,328 km (0.066 R)
• M7: 2,743,326 km (0.117 R)
• M8: 3,095,180 km (0.119 R)
• M9: 3,768,071 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.8

Radius: 10.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.54 AU - 0.6 AU

Year: 302 Days

Day: 7.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,632,514 km

• M1: 128,056 km (0.036 R)
• M2: 457,470 km (0.064 R)
• M3: 798,703 km (0.069 R)
• M4: 1,208,751 km (0.069 R)
• M5: 1,668,764 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 9.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.51 AU - 0.83 AU

Year: 385 Days

Day: 8.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,632,514 km

• M1: 115,639 km (0.119 R)
• M2: 429,795 km (0.078 R)
• M3: 802,593 km (0.111 R)
• M4: 1,231,041 km (0.043 R)
• M5: 2,081,056 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.8

Radius: 13

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.78 AU - 0.96 AU

Year: 570 Days

Day: 10.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,632,514 km

• M1: 161,715 km (0.034 R)
• M2: 1,226,254 km (0.094 R)
• M3: 1,838,259 km (0.089 R)
• M4: 2,418,998 km (0.068 R)
• M5: 3,383,156 km (0.039 R)
• M6: 3,824,619 km (0.099 R)
• M7: 4,277,003 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.2

Radius: 13.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.47 AU - 2.83 AU

Year: 3032 Days

Day: 5.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,632,514 km

• M1: 169,195 km (0.083 R)
• M2: 669,002 km (0.091 R)
• M3: 1,372,860 km (0.037 R)
• M4: 1,891,815 km (0.042 R)
• M5: 2,914,017 km (0.091 R)
• M6: 3,804,124 km (0.092 R)
• M7: 4,313,505 km (0.079 R)
• M8: 5,050,125 km (0.076 R)
• M9: 5,801,405 km (0.09 R)
• M10: 6,263,513 km (0.071 R)
• M11: 6,875,817 km (0.108 R)
• M12: 9,292,870 km (0.113 R)
• M13: 9,798,511 km (0.096 R)
• M14: 10,389,273 km (0.069 R)
• M15: 11,606,102 km (0.092 R)
• M16: 12,531,963 km (0.072 R)
• M17: 13,347,272 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.3

Radius: 10.4

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.67 AU - 4.25 AU

Year: 4524 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 24,632,514 km

• M1: 129,402 km (0.109 R)
• M2: 462,856 km (0.087 R)
• M3: 1,056,759 km (0.079 R)
• M4: 1,445,564 km (0.037 R)
• M5: 1,930,261 km (0.082 R)
• M6: 2,691,415 km (0.109 R)
• M7: 3,017,389 km (0.091 R)
• M8: 3,369,842 km (0.118 R)
• M9: 4,521,745 km (0.063 R)
• M10: 4,879,733 km (0.116 R)
• M11: 5,888,621 km (0.109 R)
• M12: 6,379,452 km (0.098 R)
• M13: 6,798,176 km (0.1 R)
• M14: 7,373,230 km (0.095 R)
• M15: 8,240,300 km (0.07 R)
• M16: 9,708,004 km (0.079 R)
• M17: 11,483,282 km (0.112 R)
• M18: 12,250,570 km (0.095 R)
• M19: 12,797,649 km (0.073 R)
• M20: 13,781,105 km (0.097 R)
• M21: 15,781,379 km (0.118 R)
• M22: 17,279,601 km (0.105 R)
• M23: 21,544,038 km (0.069 R)
• M24: 22,859,303 km (0.104 R)
• M25: 24,852,545 km (0.112 R)
• M26: 26,216,728 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235

Radius: 14.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.26 AU - 5.36 AU

Year: 6290 Days

Day: 13.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,632,514 km

• M1: 184,005 km (0.085 R)
• M2: 653,443 km (0.039 R)
• M3: 1,545,645 km (0.068 R)
• M4: 2,046,499 km (0.091 R)
• M5: 2,578,170 km (0.115 R)
• M6: 3,407,092 km (0.091 R)
• M7: 4,545,980 km (0.089 R)
• M8: 5,255,523 km (0.088 R)
• M9: 6,354,768 km (0.108 R)
• M10: 8,041,484 km (0.051 R)
• M11: 8,896,735 km (0.104 R)
• M12: 10,050,284 km (0.081 R)
• M13: 10,788,998 km (0.068 R)
• M14: 11,919,809 km (0.118 R)
• M15: 13,080,389 km (0.119 R)
• M16: 13,911,704 km (0.067 R)
• M17: 16,787,873 km (0.067 R)
• M18: 20,168,037 km (0.101 R)
• M19: 21,278,053 km (0.049 R)
• M20: 24,267,617 km (0.107 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 14,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit