🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.1

Radius: 9.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.66 AU - 0.76 AU

Year: 413 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,452,348 km

• M1: 121,025 km (0.105 R)
• M2: 480,957 km (0.038 R)
• M3: 933,491 km (0.032 R)
• M4: 1,238,072 km (0.037 R)
• M5: 1,591,721 km (0.099 R)
• M6: 1,998,179 km (0.051 R)
• M7: 2,389,377 km (0.118 R)
• M8: 2,993,753 km (0.109 R)
• M9: 3,337,828 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 9.7

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.88 AU - 1.28 AU

Year: 775 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,452,348 km

• M1: 120,576 km (0.091 R)
• M2: 505,192 km (0.096 R)
• M3: 921,822 km (0.112 R)
• M4: 1,282,802 km (0.105 R)
• M5: 1,646,025 km (0.113 R)
• M6: 2,048,743 km (0.092 R)
• M7: 2,572,934 km (0.071 R)
• M8: 3,016,791 km (0.071 R)
• M9: 4,074,298 km (0.097 R)
• M10: 4,526,981 km (0.117 R)
• M11: 5,085,131 km (0.07 R)
• M12: 5,669,011 km (0.114 R)
• M13: 6,068,886 km (0.077 R)
• M14: 7,383,253 km (0.071 R)
• M15: 8,333,649 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.3

Radius: 14.2

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.25 AU - 1.57 AU

Year: 1156 Days

Day: 9.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,452,348 km

• M1: 177,722 km (0.112 R)
• M2: 848,220 km (0.074 R)
• M3: 1,553,723 km (0.095 R)
• M4: 3,026,215 km (0.114 R)
• M5: 4,013,711 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.6

Radius: 10.3

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.11 AU - 3.47 AU

Year: 3217 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,452,348 km

• M1: 128,355 km (0.058 R)
• M2: 455,226 km (0.12 R)
• M3: 839,244 km (0.097 R)
• M4: 1,265,299 km (0.101 R)
• M5: 1,923,230 km (0.093 R)
• M6: 2,458,641 km (0.091 R)
• M7: 3,163,696 km (0.098 R)
• M8: 3,564,169 km (0.119 R)
• M9: 4,128,901 km (0.064 R)
• M10: 5,124,924 km (0.055 R)
• M11: 5,762,061 km (0.089 R)
• M12: 7,291,251 km (0.103 R)
• M13: 10,209,755 km (0.084 R)
• M14: 11,569,151 km (0.112 R)
• M15: 12,618,281 km (0.059 R)
• M16: 12,997,811 km (0.06 R)
• M17: 13,729,793 km (0.101 R)
• M18: 15,652,874 km (0.115 R)
• M19: 16,146,547 km (0.082 R)
• M20: 20,026,069 km (0.073 R)
• M21: 22,215,433 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.9

Radius: 11.7

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4 AU - 4.86 AU

Year: 6436 Days

Day: 8.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,452,348 km

• M1: 146,008 km (0.108 R)
• M2: 529,427 km (0.039 R)
• M3: 1,055,712 km (0.059 R)
• M4: 1,430,754 km (0.111 R)
• M5: 1,844,392 km (0.11 R)
• M6: 3,555,493 km (0.032 R)
• M7: 4,073,700 km (0.112 R)
• M8: 4,716,671 km (0.103 R)
• M9: 5,537,066 km (0.102 R)
• M10: 8,277,400 km (0.081 R)
• M11: 8,764,341 km (0.099 R)
• M12: 10,045,198 km (0.061 R)
• M13: 11,817,035 km (0.081 R)
• M14: 12,435,473 km (0.042 R)
• M15: 14,962,031 km (0.108 R)
• M16: 18,881,794 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.1

Radius: 7

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.49 AU - 10.27 AU

Year: 16745 Days

Day: 21.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,452,348 km

• M1: 87,216 km (0.111 R)
• M2: 331,210 km (0.032 R)
• M3: 594,352 km (0.033 R)
• M4: 818,600 km (0.099 R)
• M5: 1,798,914 km (0.106 R)
• M6: 2,112,621 km (0.099 R)
• M7: 2,462,531 km (0.119 R)
• M8: 3,915,275 km (0.026 R)
• M9: 4,293,010 km (0.083 R)
• M10: 4,855,797 km (0.05 R)
• M11: 5,466,755 km (0.115 R)
• M12: 6,166,125 km (0.11 R)
• M13: 7,785,971 km (0.108 R)
• M14: 10,199,284 km (0.114 R)
• M15: 12,322,975 km (0.063 R)
• M16: 14,315,619 km (0.071 R)
• M17: 14,862,848 km (0.107 R)
• M18: 15,141,698 km (0.053 R)
• M19: 15,495,048 km (0.034 R)
• M20: 30,938,186 km (0.105 R)
• M21: 32,666,789 km (0.104 R)
• M22: 32,901,957 km (0.084 R)
• M23: 33,494,963 km (0.056 R)
• M24: 38,892,604 km (0.093 R)
• M25: 41,727,633 km (0.098 R)
• M26: 42,562,240 km (0.094 R)
• M27: 46,604,973 km (0.091 R)
• M28: 52,008,897 km (0.113 R)
• M29: 54,778,252 km (0.039 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 19,599 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit