🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 12.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.67 AU - 0.69 AU

Year: 394 Days

Day: 12.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,879,640 km

• M1: 153,039 km (0.077 R)
• M2: 634,893 km (0.095 R)
• M3: 1,057,358 km (0.114 R)
• M4: 1,562,550 km (0.089 R)
• M5: 2,030,492 km (0.109 R)
• M6: 2,416,155 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.2

Radius: 8.6

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.89 AU - 0.95 AU

Year: 620 Days

Day: 8.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,879,640 km

• M1: 106,962 km (0.087 R)
• M2: 394,041 km (0.03 R)
• M3: 666,608 km (0.032 R)
• M4: 1,247,048 km (0.12 R)
• M5: 1,515,127 km (0.068 R)
• M6: 2,056,372 km (0.074 R)
• M7: 2,766,813 km (0.118 R)
• M8: 3,269,013 km (0.09 R)
• M9: 3,932,629 km (0.039 R)
• M10: 5,023,048 km (0.1 R)
• M11: 6,867,290 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.4

Radius: 8.6

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.81 AU - 5.39 AU

Year: 8096 Days

Day: 8.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 160.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,879,640 km

• M1: 106,962 km (0.05 R)
• M2: 425,307 km (0.079 R)
• M3: 895,194 km (0.113 R)
• M4: 1,454,241 km (0.078 R)
• M5: 1,728,155 km (0.115 R)
• M6: 2,246,511 km (0.105 R)
• M7: 2,653,268 km (0.105 R)
• M8: 3,300,578 km (0.08 R)
• M9: 4,049,315 km (0.103 R)
• M10: 5,501,162 km (0.103 R)
• M11: 6,585,747 km (0.082 R)
• M12: 7,123,402 km (0.071 R)
• M13: 7,612,886 km (0.103 R)
• M14: 8,368,206 km (0.1 R)
• M15: 9,797,613 km (0.064 R)
• M16: 10,983,924 km (0.073 R)
• M17: 14,811,984 km (0.071 R)
• M18: 15,299,374 km (0.109 R)
• M19: 18,173,748 km (0.089 R)
• M20: 21,621,679 km (0.104 R)
• M21: 25,396,034 km (0.104 R)
• M22: 26,537,316 km (0.115 R)
• M23: 29,972,681 km (0.08 R)
• M24: 32,967,032 km (0.036 R)
• M25: 34,324,483 km (0.037 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.4

Radius: 4.3

Gravity: 30.09 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.97 AU - 7.11 AU

Year: 10434 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,879,640 km

• M1: 53,855 km (0.064 R)
• M2: 256,112 km (0.098 R)
• M3: 410,197 km (0.085 R)
• M4: 780,153 km (0.118 R)
• M5: 1,083,986 km (0.112 R)
• M6: 1,875,658 km (0.116 R)
• M7: 2,092,126 km (0.095 R)
• M8: 2,400,148 km (0.071 R)
• M9: 2,595,074 km (0.056 R)
• M10: 3,314,341 km (0.095 R)
• M11: 3,784,228 km (0.099 R)
• M12: 5,394,200 km (0.106 R)
• M13: 6,007,252 km (0.055 R)
• M14: 6,221,476 km (0.069 R)
• M15: 7,130,134 km (0.08 R)
• M16: 8,519,449 km (0.102 R)
• M17: 9,066,379 km (0.092 R)
• M18: 9,253,825 km (0.055 R)
• M19: 10,129,421 km (0.056 R)
• M20: 10,280,665 km (0.107 R)
• M21: 11,326,952 km (0.072 R)
• M22: 11,544,468 km (0.111 R)
• M23: 13,205,453 km (0.091 R)
• M24: 13,507,192 km (0.058 R)
• M25: 14,695,448 km (0.046 R)
• M26: 14,889,177 km (0.086 R)
• M27: 20,789,317 km (0.093 R)
• M28: 21,527,882 km (0.027 R)
• M29: 26,330,123 km (0.073 R)
• M30: 26,904,130 km (0.115 R)
• M31: 29,590,608 km (0.089 R)
• M32: 31,051,581 km (0.109 R)
• M33: 36,543,169 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.6

Radius: 4.3

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.48 AU - 10.04 AU

Year: 16687 Days

Day: 21.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 60.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,879,640 km

• M1: 55,950 km (0.091 R)
• M2: 240,254 km (0.067 R)
• M3: 390,002 km (0.065 R)
• M4: 722,558 km (0.116 R)
• M5: 2,088,087 km (0.112 R)
• M6: 2,646,835 km (0.103 R)
• M7: 4,568,569 km (0.116 R)
• M8: 5,437,284 km (0.118 R)
• M9: 5,927,516 km (0.075 R)
• M10: 6,131,568 km (0.101 R)
• M11: 8,523,937 km (0.1 R)
• M12: 9,736,428 km (0.079 R)
• M13: 10,261,965 km (0.091 R)
• M14: 11,578,726 km (0.05 R)
• M15: 13,996,975 km (0.12 R)
• M16: 18,910,667 km (0.059 R)
• M17: 22,073,166 km (0.106 R)
• M18: 24,424,545 km (0.063 R)
• M19: 27,591,831 km (0.072 R)
• M20: 30,515,572 km (0.087 R)
• M21: 37,777,352 km (0.115 R)
• M22: 40,879,713 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 13,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit