🌌 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: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.9

Radius: 10.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.62 AU - 0.88 AU

Year: 441 Days

Day: 7.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,060,727 km

• M1: 130,599 km (0.117 R)
• M2: 647,460 km (0.079 R)
• M3: 1,071,570 km (0.07 R)
• M4: 1,744,910 km (0.047 R)
• M5: 2,093,772 km (0.076 R)
• M6: 2,661,496 km (0.069 R)
• M7: 3,283,673 km (0.111 R)
• M8: 3,648,094 km (0.102 R)
• M9: 4,118,429 km (0.051 R)
• M10: 4,515,163 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.8

Radius: 12.7

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.9 AU - 1.14 AU

Year: 699 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,060,727 km

• M1: 157,975 km (0.111 R)
• M2: 648,806 km (0.09 R)
• M3: 1,109,268 km (0.087 R)
• M4: 1,810,284 km (0.093 R)
• M5: 2,233,496 km (0.118 R)
• M6: 3,493,709 km (0.119 R)
• M7: 4,040,040 km (0.085 R)
• M8: 4,594,599 km (0.103 R)
• M9: 5,112,358 km (0.106 R)
• M10: 5,613,511 km (0.118 R)
• M11: 6,049,439 km (0.07 R)
• M12: 6,861,905 km (0.03 R)
• M13: 7,294,691 km (0.112 R)
• M14: 7,838,330 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 1000

Radius: 11.7

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.69 AU - 4.61 AU

Year: 5734 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,060,727 km

• M1: 146,456 km (0.111 R)
• M2: 1,124,976 km (0.081 R)
• M3: 1,525,898 km (0.115 R)
• M4: 2,008,651 km (0.102 R)
• M5: 3,439,853 km (0.081 R)
• M6: 3,928,590 km (0.117 R)
• M7: 5,046,535 km (0.115 R)
• M8: 5,524,350 km (0.114 R)
• M9: 6,032,235 km (0.09 R)
• M10: 6,852,480 km (0.05 R)
• M11: 7,745,729 km (0.111 R)
• M12: 9,141,776 km (0.089 R)
• M13: 10,130,469 km (0.094 R)
• M14: 12,533,758 km (0.077 R)
• M15: 13,300,896 km (0.11 R)
• M16: 16,686,296 km (0.069 R)
• M17: 18,647,674 km (0.118 R)
• M18: 19,286,307 km (0.049 R)
• M19: 20,086,805 km (0.117 R)
• M20: 21,754,074 km (0.088 R)
• M21: 23,266,658 km (0.06 R)
• M22: 24,509,517 km (0.071 R)
• M23: 25,018,897 km (0.077 R)
• M24: 25,796,058 km (0.102 R)
• M25: 26,234,829 km (0.037 R)
• M26: 28,503,481 km (0.057 R)
• M27: 31,694,553 km (0.058 R)
• M28: 32,809,207 km (0.097 R)
• M29: 36,972,067 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.1

Radius: 11.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.19 AU - 4.25 AU

Year: 5880 Days

Day: 14.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,060,727 km

• M1: 152,590 km (0.097 R)
• M2: 646,263 km (0.111 R)
• M3: 1,083,089 km (0.049 R)
• M4: 1,506,301 km (0.11 R)
• M5: 1,889,421 km (0.109 R)
• M6: 2,322,956 km (0.109 R)
• M7: 5,139,584 km (0.073 R)
• M8: 6,362,996 km (0.094 R)
• M9: 7,453,564 km (0.095 R)
• M10: 7,843,566 km (0.103 R)
• M11: 8,742,200 km (0.095 R)
• M12: 9,876,003 km (0.042 R)
• M13: 11,662,351 km (0.105 R)
• M14: 13,654,845 km (0.079 R)
• M15: 17,300,395 km (0.061 R)
• M16: 19,412,717 km (0.084 R)
• M17: 19,949,774 km (0.101 R)
• M18: 20,496,554 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346

Radius: 5.9

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.26 AU - 7.36 AU

Year: 10751 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,060,727 km

• M1: 74,500 km (0.092 R)
• M2: 322,533 km (0.11 R)
• M3: 572,661 km (0.085 R)
• M4: 851,661 km (0.028 R)
• M5: 1,120,937 km (0.096 R)
• M6: 2,066,246 km (0.052 R)
• M7: 2,463,727 km (0.111 R)
• M8: 3,078,425 km (0.09 R)
• M9: 4,864,773 km (0.09 R)
• M10: 5,377,744 km (0.066 R)
• M11: 5,826,687 km (0.107 R)
• M12: 8,037,894 km (0.097 R)
• M13: 8,581,682 km (0.115 R)
• M14: 18,045,842 km (0.075 R)
• M15: 22,201,820 km (0.04 R)
• M16: 23,605,198 km (0.041 R)
• M17: 24,717,308 km (0.068 R)
• M18: 29,516,707 km (0.082 R)
• M19: 36,231,108 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 14,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit