🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 15

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.75 AU - 0.77 AU

Year: 421 Days

Day: 12.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,894,961 km

• M1: 186,549 km (0.11 R)
• M2: 691,441 km (0.087 R)
• M3: 1,598,304 km (0.103 R)
• M4: 3,026,066 km (0.093 R)
• M5: 3,679,060 km (0.097 R)
• M6: 5,093,209 km (0.118 R)
• M7: 6,112,419 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.9

Radius: 8.6

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.87 AU - 1.03 AU

Year: 589 Days

Day: 6.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,894,961 km

• M1: 112,797 km (0.086 R)
• M2: 566,976 km (0.034 R)
• M3: 1,283,999 km (0.101 R)
• M4: 1,918,892 km (0.117 R)
• M5: 2,224,072 km (0.098 R)
• M6: 3,540,234 km (0.119 R)
• M7: 4,058,291 km (0.053 R)
• M8: 4,446,049 km (0.074 R)
• M9: 6,306,149 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.8

Radius: 8.1

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.76 AU - 1.86 AU

Year: 1548 Days

Day: 5 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,894,961 km

• M1: 100,679 km (0.055 R)
• M2: 386,262 km (0.06 R)
• M3: 649,704 km (0.118 R)
• M4: 911,051 km (0.077 R)
• M5: 1,180,776 km (0.119 R)
• M6: 1,648,419 km (0.077 R)
• M7: 1,953,599 km (0.108 R)
• M8: 2,259,227 km (0.066 R)
• M9: 2,583,106 km (0.098 R)
• M10: 2,849,839 km (0.092 R)
• M11: 3,150,531 km (0.074 R)
• M12: 4,413,736 km (0.103 R)
• M13: 4,880,481 km (0.114 R)
• M14: 6,179,888 km (0.064 R)
• M15: 6,634,366 km (0.107 R)
• M16: 8,616,688 km (0.107 R)
• M17: 9,378,889 km (0.112 R)
• M18: 9,642,780 km (0.071 R)
• M19: 11,630,786 km (0.081 R)
• M20: 12,323,873 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.3

Radius: 14.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.15 AU - 2.79 AU

Year: 2468 Days

Day: 14.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,894,961 km

• M1: 175,478 km (0.061 R)
• M2: 673,639 km (0.072 R)
• M3: 1,194,539 km (0.1 R)
• M4: 2,026,752 km (0.11 R)
• M5: 2,654,315 km (0.106 R)
• M6: 3,254,502 km (0.088 R)
• M7: 4,325,174 km (0.119 R)
• M8: 5,115,050 km (0.105 R)
• M9: 5,594,362 km (0.099 R)
• M10: 6,262,466 km (0.111 R)
• M11: 8,927,103 km (0.079 R)
• M12: 9,376,645 km (0.068 R)
• M13: 10,778,676 km (0.056 R)
• M14: 11,815,689 km (0.048 R)
• M15: 12,657,925 km (0.094 R)
• M16: 14,274,330 km (0.088 R)
• M17: 17,215,573 km (0.07 R)
• M18: 17,805,587 km (0.075 R)
• M19: 18,520,216 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780

Radius: 12.3

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.55 AU - 2.57 AU

Year: 2604 Days

Day: 8.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,894,961 km

• M1: 153,039 km (0.1 R)
• M2: 810,671 km (0.112 R)
• M3: 1,273,377 km (0.061 R)
• M4: 1,763,759 km (0.095 R)
• M5: 4,208,936 km (0.084 R)
• M6: 5,951,003 km (0.088 R)
• M7: 6,383,790 km (0.101 R)
• M8: 8,131,841 km (0.12 R)
• M9: 8,976,471 km (0.104 R)
• M10: 9,547,037 km (0.113 R)
• M11: 9,953,195 km (0.067 R)
• M12: 11,201,290 km (0.05 R)
• M13: 11,611,936 km (0.075 R)
• M14: 12,594,944 km (0.033 R)
• M15: 13,084,129 km (0.035 R)
• M16: 14,195,940 km (0.076 R)
• M17: 15,826,258 km (0.095 R)
• M18: 17,033,962 km (0.104 R)
• M19: 18,245,854 km (0.088 R)
• M20: 20,351,743 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.1

Radius: 8.4

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.89 AU - 4.97 AU

Year: 6960 Days

Day: 13.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,894,961 km

• M1: 104,569 km (0.115 R)
• M2: 677,678 km (0.045 R)
• M3: 1,287,140 km (0.076 R)
• M4: 2,251,298 km (0.115 R)
• M5: 2,516,236 km (0.074 R)
• M6: 2,970,415 km (0.078 R)
• M7: 3,536,045 km (0.101 R)
• M8: 5,641,934 km (0.093 R)
• M9: 6,421,189 km (0.04 R)
• M10: 8,090,253 km (0.077 R)
• M11: 9,006,839 km (0.1 R)
• M12: 10,227,857 km (0.115 R)
• M13: 12,126,703 km (0.116 R)
• M14: 12,396,577 km (0.066 R)
• M15: 13,182,864 km (0.116 R)
• M16: 14,150,163 km (0.114 R)
• M17: 14,449,359 km (0.106 R)
• M18: 16,062,922 km (0.075 R)
• M19: 21,620,483 km (0.102 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 18,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit