🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.51 AU - 0.57 AU

Year: 252 Days

Day: 41.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 108.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.55 AU - 0.75 AU

Year: 333 Days

Day: 36.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,529,470 km

• M1: 275,559 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.2

Radius: 9.3

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.86 AU - 1.32 AU

Year: 724 Days

Day: 13.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,529,470 km

• M1: 115,639 km (0.091 R)
• M2: 409,599 km (0.119 R)
• M3: 942,915 km (0.109 R)
• M4: 1,246,599 km (0.096 R)
• M5: 1,898,397 km (0.081 R)
• M6: 2,266,258 km (0.046 R)
• M7: 2,612,128 km (0.078 R)
• M8: 2,907,734 km (0.077 R)
• M9: 3,387,644 km (0.074 R)
• M10: 4,011,317 km (0.111 R)
• M11: 4,336,992 km (0.076 R)
• M12: 4,995,372 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.2

Radius: 8.8

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.96 AU - 1.34 AU

Year: 784 Days

Day: 7.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,529,470 km

• M1: 109,506 km (0.073 R)
• M2: 437,873 km (0.085 R)
• M3: 836,701 km (0.11 R)
• M4: 1,181,075 km (0.083 R)
• M5: 1,544,598 km (0.04 R)
• M6: 2,202,380 km (0.118 R)
• M7: 2,521,921 km (0.047 R)
• M8: 3,119,714 km (0.067 R)
• M9: 3,524,526 km (0.102 R)
• M10: 3,892,985 km (0.059 R)
• M11: 4,182,457 km (0.104 R)
• M12: 4,580,238 km (0.059 R)
• M13: 5,416,640 km (0.106 R)
• M14: 6,194,848 km (0.071 R)
• M15: 6,733,251 km (0.05 R)
• M16: 7,345,854 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.2

Radius: 15

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.24 AU - 1.7 AU

Year: 1133 Days

Day: 10.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,529,470 km

• M1: 187,297 km (0.073 R)
• M2: 658,081 km (0.066 R)
• M3: 1,299,856 km (0.106 R)
• M4: 1,920,687 km (0.111 R)
• M5: 3,148,886 km (0.059 R)
• M6: 5,366,076 km (0.104 R)
• M7: 5,855,560 km (0.089 R)
• M8: 6,880,156 km (0.084 R)
• M9: 7,364,703 km (0.092 R)
• M10: 7,996,305 km (0.1 R)
• M11: 8,903,467 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.7

Radius: 11.5

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.04 AU - 6.14 AU

Year: 8403 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,529,470 km

• M1: 148,251 km (0.081 R)
• M2: 987,047 km (0.072 R)
• M3: 1,612,366 km (0.103 R)
• M4: 2,488,561 km (0.115 R)
• M5: 4,244,241 km (0.07 R)
• M6: 5,041,448 km (0.075 R)
• M7: 5,444,315 km (0.115 R)
• M8: 6,600,856 km (0.114 R)
• M9: 6,970,513 km (0.113 R)
• M10: 7,997,053 km (0.108 R)
• M11: 8,677,125 km (0.058 R)
• M12: 9,864,334 km (0.051 R)
• M13: 11,682,696 km (0.057 R)
• M14: 12,060,730 km (0.113 R)
• M15: 15,194,057 km (0.089 R)
• M16: 19,055,478 km (0.046 R)
• M17: 19,429,173 km (0.095 R)
• M18: 20,191,374 km (0.067 R)
• M19: 22,266,596 km (0.109 R)
• M20: 23,526,509 km (0.094 R)
• M21: 30,751,787 km (0.076 R)
• M22: 31,163,032 km (0.082 R)
• M23: 32,313,140 km (0.082 R)
• M24: 33,059,633 km (0.101 R)
• M25: 34,920,332 km (0.103 R)
• M26: 36,619,165 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.3

Radius: 13.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.19 AU - 6.45 AU

Year: 8927 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,529,470 km

• M1: 173,982 km (0.104 R)
• M2: 687,552 km (0.063 R)
• M3: 1,311,824 km (0.11 R)
• M4: 1,879,248 km (0.069 R)
• M5: 2,358,859 km (0.075 R)
• M6: 3,097,125 km (0.099 R)
• M7: 3,671,581 km (0.11 R)
• M8: 5,293,820 km (0.027 R)
• M9: 5,835,215 km (0.109 R)
• M10: 6,640,051 km (0.092 R)
• M11: 7,476,303 km (0.104 R)
• M12: 10,777,779 km (0.101 R)
• M13: 12,277,946 km (0.103 R)
• M14: 13,787,389 km (0.089 R)
• M15: 14,554,377 km (0.096 R)
• M16: 19,450,117 km (0.086 R)
• M17: 24,598,228 km (0.085 R)
• M18: 28,597,279 km (0.062 R)
• M19: 30,589,623 km (0.104 R)
• M20: 33,463,996 km (0.099 R)
• M21: 35,913,512 km (0.119 R)
• M22: 38,982,662 km (0.118 R)
• M23: 40,386,937 km (0.068 R)
• M24: 42,355,944 km (0.094 R)
• M25: 43,703,672 km (0.073 R)
• M26: 45,778,594 km (0.071 R)
• M27: 49,233,856 km (0.075 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 10,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit