🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.16 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704

Radius: 8.7

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.9 AU - 2.74 AU

Year: 2397 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,712,736 km

• M1: 108,309 km (0.104 R)
• M2: 405,111 km (0.119 R)
• M3: 793,467 km (0.05 R)
• M4: 1,134,401 km (0.078 R)
• M5: 2,732,405 km (0.073 R)
• M6: 3,402,005 km (0.091 R)
• M7: 4,466,693 km (0.09 R)
• M8: 6,072,477 km (0.12 R)
• M9: 7,842,968 km (0.092 R)
• M10: 9,326,679 km (0.06 R)
• M11: 9,933,149 km (0.094 R)
• M12: 10,489,803 km (0.091 R)
• M13: 11,303,914 km (0.035 R)
• M14: 11,910,833 km (0.119 R)
• M15: 13,545,489 km (0.11 R)
• M16: 15,917,363 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.3

Radius: 13.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.8 AU - 3.5 AU

Year: 3792 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,712,736 km

• M1: 172,187 km (0.094 R)
• M2: 685,457 km (0.118 R)
• M3: 2,082,103 km (0.107 R)
• M4: 2,550,195 km (0.106 R)
• M5: 3,558,335 km (0.112 R)
• M6: 4,007,877 km (0.073 R)
• M7: 4,741,804 km (0.102 R)
• M8: 6,698,544 km (0.08 R)
• M9: 7,287,511 km (0.087 R)
• M10: 10,724,671 km (0.047 R)
• M11: 11,486,723 km (0.08 R)
• M12: 12,093,641 km (0.104 R)
• M13: 13,524,844 km (0.086 R)
• M14: 13,991,141 km (0.116 R)
• M15: 14,521,914 km (0.077 R)
• M16: 15,511,354 km (0.103 R)
• M17: 16,780,992 km (0.111 R)
• M18: 19,071,036 km (0.081 R)
• M19: 21,562,439 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.1

Radius: 8.1

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.97 AU - 4.31 AU

Year: 4710 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,712,736 km

• M1: 100,829 km (0.096 R)
• M2: 371,900 km (0.037 R)
• M3: 699,520 km (0.05 R)
• M4: 1,336,208 km (0.099 R)
• M5: 2,046,798 km (0.118 R)
• M6: 4,915,936 km (0.098 R)
• M7: 8,161,910 km (0.1 R)
• M8: 8,549,668 km (0.064 R)
• M9: 9,865,680 km (0.087 R)
• M10: 10,592,726 km (0.118 R)
• M11: 12,846,568 km (0.081 R)
• M12: 14,980,731 km (0.118 R)
• M13: 15,777,639 km (0.062 R)
• M14: 20,064,216 km (0.072 R)
• M15: 23,340,858 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.5

Radius: 14.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.79 AU - 5.71 AU

Year: 7022 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 73.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,712,736 km

• M1: 184,454 km (0.082 R)
• M2: 637,885 km (0.115 R)
• M3: 1,094,608 km (0.065 R)
• M4: 1,678,787 km (0.087 R)
• M5: 2,784,316 km (0.118 R)
• M6: 8,281,589 km (0.096 R)
• M7: 10,843,003 km (0.092 R)
• M8: 11,607,000 km (0.089 R)
• M9: 15,027,256 km (0.048 R)
• M10: 17,285,136 km (0.117 R)
• M11: 18,865,488 km (0.039 R)
• M12: 20,828,960 km (0.111 R)
• M13: 23,235,840 km (0.108 R)
• M14: 25,822,687 km (0.101 R)
• M15: 27,796,930 km (0.094 R)
• M16: 31,086,288 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 11.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.8 AU - 5.86 AU

Year: 7200 Days

Day: 8.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,712,736 km

• M1: 140,921 km (0.112 R)
• M2: 587,770 km (0.119 R)
• M3: 1,018,313 km (0.053 R)
• M4: 1,706,164 km (0.119 R)
• M5: 2,243,070 km (0.111 R)
• M6: 2,697,848 km (0.059 R)
• M7: 3,357,575 km (0.114 R)
• M8: 3,875,183 km (0.081 R)
• M9: 5,217,675 km (0.114 R)
• M10: 6,049,588 km (0.094 R)
• M11: 6,469,061 km (0.105 R)
• M12: 7,492,310 km (0.108 R)
• M13: 8,109,401 km (0.106 R)
• M14: 11,210,416 km (0.044 R)
• M15: 16,813,604 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.4

Radius: 5.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.07 AU - 8.35 AU

Year: 11789 Days

Day: 17.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,712,736 km

• M1: 67,618 km (0.073 R)
• M2: 277,055 km (0.064 R)
• M3: 835,953 km (0.064 R)
• M4: 1,113,307 km (0.091 R)
• M5: 1,618,051 km (0.12 R)
• M6: 2,990,611 km (0.118 R)
• M7: 4,919,227 km (0.036 R)
• M8: 5,941,579 km (0.107 R)
• M9: 8,022,186 km (0.117 R)
• M10: 10,499,377 km (0.102 R)
• M11: 10,812,635 km (0.086 R)
• M12: 17,890,409 km (0.082 R)
• M13: 18,923,383 km (0.111 R)
• M14: 25,324,376 km (0.088 R)
• M15: 26,377,695 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 15,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit