🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.6

Radius: 14

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.46 AU - 0.58 AU

Year: 254 Days

Day: 13.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,908,960 km

• M1: 174,581 km (0.101 R)
• M2: 649,853 km (0.092 R)
• M3: 1,230,742 km (0.097 R)
• M4: 1,925,325 km (0.071 R)
• M5: 2,434,107 km (0.111 R)
• M6: 3,586,160 km (0.117 R)
• M7: 4,206,543 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.6

Radius: 12.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.6 AU - 0.84 AU

Year: 414 Days

Day: 12 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,908,960 km

• M1: 154,235 km (0.096 R)
• M2: 800,049 km (0.05 R)
• M3: 1,194,539 km (0.088 R)
• M4: 1,650,962 km (0.027 R)
• M5: 2,187,869 km (0.066 R)
• M6: 2,727,020 km (0.092 R)
• M7: 3,275,296 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.9

Radius: 11.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1 AU - 1.5 AU

Year: 948 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,908,960 km

• M1: 143,016 km (0.09 R)
• M2: 816,804 km (0.08 R)
• M3: 1,546,393 km (0.107 R)
• M4: 1,909,168 km (0.081 R)
• M5: 3,145,295 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.9

Radius: 9.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.48 AU - 2.02 AU

Year: 1570 Days

Day: 7.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,908,960 km

• M1: 121,922 km (0.092 R)
• M2: 459,116 km (0.106 R)
• M3: 1,719,328 km (0.107 R)
• M4: 2,027,201 km (0.091 R)
• M5: 2,417,950 km (0.087 R)
• M6: 2,884,995 km (0.119 R)
• M7: 3,713,318 km (0.101 R)
• M8: 4,082,975 km (0.102 R)
• M9: 4,803,139 km (0.102 R)
• M10: 5,262,554 km (0.115 R)
• M11: 5,878,000 km (0.119 R)
• M12: 8,718,115 km (0.104 R)
• M13: 9,027,783 km (0.115 R)
• M14: 10,434,751 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.7

Radius: 10.4

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.39 AU - 4.87 AU

Year: 5693 Days

Day: 9.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,908,960 km

• M1: 129,552 km (0.114 R)
• M2: 699,071 km (0.092 R)
• M3: 1,832,275 km (0.078 R)
• M4: 2,208,962 km (0.071 R)
• M5: 2,729,563 km (0.069 R)
• M6: 4,553,161 km (0.079 R)
• M7: 4,908,007 km (0.069 R)
• M8: 5,281,254 km (0.111 R)
• M9: 6,183,030 km (0.115 R)
• M10: 6,619,257 km (0.097 R)
• M11: 9,159,578 km (0.088 R)
• M12: 9,997,476 km (0.108 R)
• M13: 11,423,293 km (0.081 R)
• M14: 14,673,906 km (0.045 R)
• M15: 16,068,906 km (0.056 R)
• M16: 18,426,718 km (0.075 R)
• M17: 18,771,541 km (0.066 R)
• M18: 23,817,627 km (0.08 R)
• M19: 25,483,249 km (0.093 R)
• M20: 28,125,297 km (0.098 R)
• M21: 28,767,222 km (0.112 R)
• M22: 29,512,518 km (0.119 R)
• M23: 30,558,507 km (0.112 R)
• M24: 33,128,598 km (0.058 R)
• M25: 34,154,540 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.9

Radius: 3.5

Gravity: 38.93 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.09 AU - 6.49 AU

Year: 9450 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,908,960 km

• M1: 44,580 km (0.09 R)
• M2: 192,832 km (0.09 R)
• M3: 315,053 km (0.089 R)
• M4: 547,229 km (0.1 R)
• M5: 893,398 km (0.118 R)
• M6: 1,678,189 km (0.081 R)
• M7: 2,080,158 km (0.09 R)
• M8: 2,985,525 km (0.083 R)
• M9: 3,453,916 km (0.078 R)
• M10: 3,669,037 km (0.117 R)
• M11: 4,073,251 km (0.086 R)
• M12: 4,648,155 km (0.115 R)
• M13: 4,880,780 km (0.12 R)
• M14: 6,127,379 km (0.091 R)
• M15: 7,181,745 km (0.088 R)
• M16: 8,695,077 km (0.113 R)
• M17: 10,213,196 km (0.094 R)
• M18: 11,162,993 km (0.073 R)
• M19: 12,061,179 km (0.102 R)
• M20: 13,821,497 km (0.085 R)
• M21: 18,267,246 km (0.098 R)
• M22: 19,736,148 km (0.119 R)
• M23: 22,493,087 km (0.114 R)
• M24: 23,749,260 km (0.073 R)
• M25: 26,217,924 km (0.058 R)
• M26: 27,608,287 km (0.104 R)
• M27: 30,737,127 km (0.113 R)
• M28: 37,110,145 km (0.108 R)
• M29: 37,571,505 km (0.086 R)
• M30: 38,388,160 km (0.117 R)
• M31: 40,177,799 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 16,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit