🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.6

Radius: 12.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.65 AU - 0.81 AU

Year: 416 Days

Day: 6.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,367,450 km

• M1: 157,975 km (0.093 R)
• M2: 808,277 km (0.089 R)
• M3: 1,346,530 km (0.098 R)
• M4: 1,872,217 km (0.114 R)
• M5: 2,393,117 km (0.12 R)
• M6: 2,851,036 km (0.075 R)
• M7: 3,654,377 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.8

Radius: 14.1

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.68 AU - 0.92 AU

Year: 477 Days

Day: 5.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,367,450 km

• M1: 175,329 km (0.069 R)
• M2: 649,105 km (0.064 R)
• M3: 1,188,555 km (0.063 R)
• M4: 1,696,141 km (0.111 R)
• M5: 2,222,576 km (0.12 R)
• M6: 3,428,334 km (0.108 R)
• M7: 3,992,169 km (0.103 R)
• M8: 4,484,645 km (0.115 R)
• M9: 5,209,895 km (0.083 R)
• M10: 5,887,873 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.6

Radius: 14.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.31 AU - 3.63 AU

Year: 3413 Days

Day: 14.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,367,450 km

• M1: 184,903 km (0.107 R)
• M2: 673,190 km (0.081 R)
• M3: 1,127,519 km (0.096 R)
• M4: 2,272,242 km (0.106 R)
• M5: 3,571,200 km (0.117 R)
• M6: 6,720,086 km (0.045 R)
• M7: 8,988,887 km (0.073 R)
• M8: 9,925,071 km (0.067 R)
• M9: 10,761,024 km (0.105 R)
• M10: 11,217,297 km (0.078 R)
• M11: 13,793,073 km (0.096 R)
• M12: 15,505,221 km (0.08 R)
• M13: 19,166,629 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.8

Radius: 11.9

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.57 AU - 4.57 AU

Year: 5475 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,367,450 km

• M1: 149,598 km (0.117 R)
• M2: 623,674 km (0.113 R)
• M3: 1,366,277 km (0.117 R)
• M4: 1,956,142 km (0.091 R)
• M5: 3,301,924 km (0.114 R)
• M6: 4,122,917 km (0.08 R)
• M7: 6,008,449 km (0.096 R)
• M8: 6,876,117 km (0.065 R)
• M9: 7,450,423 km (0.082 R)
• M10: 8,818,944 km (0.12 R)
• M11: 9,805,243 km (0.115 R)
• M12: 10,721,530 km (0.042 R)
• M13: 11,494,951 km (0.104 R)
• M14: 15,262,723 km (0.113 R)
• M15: 16,304,074 km (0.114 R)
• M16: 18,802,358 km (0.109 R)
• M17: 19,218,838 km (0.117 R)
• M18: 20,432,825 km (0.1 R)
• M19: 24,793,902 km (0.107 R)
• M20: 25,211,131 km (0.052 R)
• M21: 25,803,090 km (0.032 R)
• M22: 28,083,559 km (0.038 R)
• M23: 31,361,548 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.2

Radius: 5.3

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.89 AU - 8.53 AU

Year: 14276 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,367,450 km

• M1: 65,973 km (0.11 R)
• M2: 248,931 km (0.062 R)
• M3: 519,553 km (0.076 R)
• M4: 1,236,726 km (0.096 R)
• M5: 2,977,746 km (0.031 R)
• M6: 3,300,877 km (0.068 R)
• M7: 3,841,673 km (0.12 R)
• M8: 5,402,877 km (0.106 R)
• M9: 7,853,739 km (0.12 R)
• M10: 11,623,755 km (0.079 R)
• M11: 12,045,920 km (0.105 R)
• M12: 13,604,131 km (0.058 R)
• M13: 16,056,489 km (0.074 R)
• M14: 18,148,466 km (0.119 R)
• M15: 18,502,115 km (0.047 R)
• M16: 22,700,878 km (0.043 R)
• M17: 23,028,947 km (0.092 R)
• M18: 23,194,103 km (0.116 R)
• M19: 23,862,805 km (0.106 R)
• M20: 27,493,097 km (0.109 R)
• M21: 28,621,364 km (0.072 R)
• M22: 28,812,400 km (0.115 R)
• M23: 32,191,068 km (0.088 R)
• M24: 38,780,854 km (0.053 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 19,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit