🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 8.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.81 AU - 0.93 AU

Year: 550 Days

Day: 11.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,221,525 km

• M1: 108,159 km (0.111 R)
• M2: 458,218 km (0.113 R)
• M3: 750,533 km (0.107 R)
• M4: 1,078,301 km (0.106 R)
• M5: 1,635,404 km (0.097 R)
• M6: 2,034,381 km (0.119 R)
• M7: 2,373,071 km (0.113 R)
• M8: 2,996,146 km (0.053 R)
• M9: 3,281,280 km (0.083 R)
• M10: 3,762,686 km (0.093 R)
• M11: 4,081,778 km (0.087 R)
• M12: 5,213,935 km (0.112 R)
• M13: 5,993,788 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.9

Radius: 12.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.96 AU - 2.08 AU

Year: 1947 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,221,525 km

• M1: 157,975 km (0.105 R)
• M2: 845,527 km (0.115 R)
• M3: 1,492,239 km (0.098 R)
• M4: 2,697,100 km (0.063 R)
• M5: 3,115,675 km (0.109 R)
• M6: 4,302,285 km (0.086 R)
• M7: 5,101,736 km (0.05 R)
• M8: 6,447,668 km (0.075 R)
• M9: 7,308,903 km (0.112 R)
• M10: 8,017,997 km (0.062 R)
• M11: 8,535,456 km (0.12 R)
• M12: 9,198,175 km (0.11 R)
• M13: 12,235,311 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 9.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.31 AU - 2.55 AU

Year: 2569 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,221,525 km

• M1: 113,246 km (0.059 R)
• M2: 497,862 km (0.081 R)
• M3: 851,062 km (0.113 R)
• M4: 1,258,118 km (0.066 R)
• M5: 2,154,060 km (0.069 R)
• M6: 2,537,329 km (0.075 R)
• M7: 3,523,628 km (0.06 R)
• M8: 4,336,244 km (0.101 R)
• M9: 5,599,897 km (0.061 R)
• M10: 6,378,255 km (0.06 R)
• M11: 7,280,480 km (0.101 R)
• M12: 8,148,596 km (0.12 R)
• M13: 9,115,597 km (0.042 R)
• M14: 10,326,741 km (0.105 R)
• M15: 11,348,494 km (0.09 R)
• M16: 11,716,056 km (0.076 R)
• M17: 13,387,962 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.1

Radius: 6.6

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.69 AU - 7.71 AU

Year: 13104 Days

Day: 23.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,221,525 km

• M1: 99,483 km (0.083 R)
• M2: 325,226 km (0.112 R)
• M3: 1,139,637 km (0.114 R)
• M4: 2,459,539 km (0.089 R)
• M5: 7,214,357 km (0.099 R)
• M6: 8,923,214 km (0.062 R)
• M7: 9,514,574 km (0.097 R)
• M8: 11,445,733 km (0.064 R)
• M9: 12,931,390 km (0.079 R)
• M10: 14,743,020 km (0.093 R)
• M11: 18,308,835 km (0.1 R)
• M12: 21,010,123 km (0.076 R)
• M13: 21,441,264 km (0.08 R)
• M14: 23,686,280 km (0.056 R)
• M15: 28,954,817 km (0.033 R)
• M16: 30,576,458 km (0.085 R)
• M17: 30,797,115 km (0.06 R)
• M18: 33,179,162 km (0.047 R)
• M19: 34,833,864 km (0.086 R)
• M20: 40,923,694 km (0.058 R)
• M21: 41,867,208 km (0.082 R)
• M22: 43,379,044 km (0.109 R)
• M23: 46,365,616 km (0.112 R)
• M24: 49,790,959 km (0.101 R)
• M25: 50,711,434 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 12,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit