🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.63 AU - 0.65 AU

Year: 336 Days

Day: 23.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.8

Radius: 13.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.72 AU - 1.12 AU

Year: 579 Days

Day: 6.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,852,167 km

• M1: 165,455 km (0.088 R)
• M2: 595,848 km (0.106 R)
• M3: 1,528,292 km (0.03 R)
• M4: 2,397,007 km (0.03 R)
• M5: 3,017,688 km (0.116 R)
• M6: 3,670,085 km (0.079 R)
• M7: 5,661,681 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.3

Radius: 10.6

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.24 AU - 1.66 AU

Year: 1145 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,852,167 km

• M1: 131,796 km (0.113 R)
• M2: 486,043 km (0.11 R)
• M3: 830,268 km (0.072 R)
• M4: 1,456,934 km (0.095 R)
• M5: 1,799,962 km (0.088 R)
• M6: 2,263,715 km (0.11 R)
• M7: 2,604,200 km (0.112 R)
• M8: 3,033,396 km (0.103 R)
• M9: 3,449,428 km (0.046 R)
• M10: 3,936,070 km (0.078 R)
• M11: 4,450,237 km (0.089 R)
• M12: 4,855,498 km (0.095 R)
• M13: 6,289,094 km (0.108 R)
• M14: 6,681,938 km (0.118 R)
• M15: 7,645,648 km (0.102 R)
• M16: 8,093,843 km (0.057 R)
• M17: 8,475,916 km (0.081 R)
• M18: 9,544,195 km (0.1 R)
• M19: 10,378,801 km (0.097 R)
• M20: 11,261,279 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 13.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.77 AU - 1.97 AU

Year: 1678 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,852,167 km

• M1: 178,021 km (0.068 R)
• M2: 841,338 km (0.101 R)
• M3: 1,299,706 km (0.097 R)
• M4: 1,940,434 km (0.111 R)
• M5: 2,647,134 km (0.12 R)
• M6: 3,153,074 km (0.094 R)
• M7: 4,187,693 km (0.098 R)
• M8: 5,647,020 km (0.102 R)
• M9: 6,802,066 km (0.118 R)
• M10: 7,629,791 km (0.072 R)
• M11: 8,218,159 km (0.106 R)
• M12: 9,456,081 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.2

Radius: 14.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.62 AU - 2.54 AU

Year: 1968 Days

Day: 7.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,852,167 km

• M1: 182,210 km (0.04 R)
• M2: 647,759 km (0.06 R)
• M3: 1,599,201 km (0.068 R)
• M4: 2,115,164 km (0.089 R)
• M5: 3,429,382 km (0.076 R)
• M6: 4,135,633 km (0.047 R)
• M7: 4,692,586 km (0.071 R)
• M8: 5,409,309 km (0.119 R)
• M9: 6,247,057 km (0.057 R)
• M10: 6,904,690 km (0.049 R)
• M11: 8,064,522 km (0.095 R)
• M12: 9,064,135 km (0.103 R)
• M13: 10,384,635 km (0.116 R)
• M14: 11,383,052 km (0.115 R)
• M15: 12,366,508 km (0.078 R)
• M16: 12,879,180 km (0.106 R)
• M17: 13,695,535 km (0.064 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: 277 - 17,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit