🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 14.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.81 AU - 1.99 AU

Year: 1718 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,898,479 km

• M1: 181,612 km (0.104 R)
• M2: 656,136 km (0.102 R)
• M3: 1,173,147 km (0.038 R)
• M4: 1,693,897 km (0.051 R)
• M5: 2,154,509 km (0.078 R)
• M6: 3,602,915 km (0.086 R)
• M7: 4,192,331 km (0.07 R)
• M8: 4,735,521 km (0.07 R)
• M9: 5,607,826 km (0.1 R)
• M10: 6,115,561 km (0.032 R)
• M11: 7,054,437 km (0.109 R)
• M12: 8,166,997 km (0.034 R)
• M13: 9,018,956 km (0.108 R)
• M14: 9,929,409 km (0.109 R)
• M15: 10,900,299 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.8

Radius: 13.7

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.01 AU - 2.25 AU

Year: 2039 Days

Day: 9.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,898,479 km

• M1: 170,542 km (0.082 R)
• M2: 1,105,528 km (0.093 R)
• M3: 1,886,280 km (0.083 R)
• M4: 2,698,746 km (0.061 R)
• M5: 3,385,101 km (0.12 R)
• M6: 4,012,065 km (0.102 R)
• M7: 4,822,587 km (0.08 R)
• M8: 5,453,142 km (0.107 R)
• M9: 6,716,196 km (0.119 R)
• M10: 7,416,913 km (0.089 R)
• M11: 9,745,553 km (0.115 R)
• M12: 10,314,923 km (0.116 R)
• M13: 10,793,935 km (0.083 R)
• M14: 14,712,352 km (0.053 R)
• M15: 16,091,046 km (0.109 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.7

Radius: 3.2

Gravity: 27.8 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.83 AU - 9.09 AU

Year: 17594 Days

Day: 19.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,898,479 km

• M1: 40,242 km (0.107 R)
• M2: 241,451 km (0.1 R)
• M3: 543,190 km (0.035 R)
• M4: 1,183,319 km (0.111 R)
• M5: 1,652,608 km (0.08 R)
• M6: 3,106,250 km (0.087 R)
• M7: 5,909,565 km (0.107 R)
• M8: 7,492,011 km (0.037 R)
• M9: 12,455,070 km (0.104 R)
• M10: 13,127,662 km (0.101 R)
• M11: 16,564,523 km (0.104 R)
• M12: 17,603,181 km (0.073 R)
• M13: 18,763,463 km (0.104 R)
• M14: 23,822,115 km (0.099 R)
• M15: 27,316,122 km (0.095 R)
• M16: 28,552,698 km (0.11 R)
• M17: 37,511,666 km (0.079 R)
• M18: 40,340,263 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.4

Radius: 7.6

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.03 AU - 11.21 AU

Year: 19574 Days

Day: 16.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,898,479 km

• M1: 97,089 km (0.08 R)
• M2: 626,965 km (0.1 R)
• M3: 1,587,832 km (0.109 R)
• M4: 1,882,240 km (0.107 R)
• M5: 3,941,904 km (0.114 R)
• M6: 4,419,719 km (0.054 R)
• M7: 7,597,178 km (0.097 R)
• M8: 8,542,188 km (0.047 R)
• M9: 10,249,100 km (0.12 R)
• M10: 12,976,568 km (0.037 R)
• M11: 18,566,741 km (0.094 R)
• M12: 25,685,506 km (0.061 R)
• M13: 33,518,151 km (0.078 R)
• M14: 34,169,201 km (0.1 R)
• M15: 35,094,912 km (0.042 R)
• M16: 38,537,459 km (0.055 R)
• M17: 44,973,907 km (0.114 R)
• M18: 47,377,646 km (0.059 R)
• M19: 65,830,992 km (0.076 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 10,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit