🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.3

Radius: 14

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.47 AU - 0.75 AU

Year: 318 Days

Day: 14 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,765,388 km

• M1: 174,132 km (0.057 R)
• M2: 681,568 km (0.106 R)
• M3: 1,391,859 km (0.119 R)
• M4: 1,890,319 km (0.034 R)
• M5: 2,406,880 km (0.072 R)
• M6: 3,366,401 km (0.113 R)
• M7: 4,134,736 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667

Radius: 13.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.26 AU - 1.78 AU

Year: 1250 Days

Day: 5.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,765,388 km

• M1: 174,431 km (0.096 R)
• M2: 653,443 km (0.077 R)
• M3: 1,403,378 km (0.067 R)
• M4: 1,837,361 km (0.105 R)
• M5: 2,385,936 km (0.105 R)
• M6: 3,386,597 km (0.104 R)
• M7: 3,983,791 km (0.106 R)
• M8: 4,857,443 km (0.116 R)
• M9: 5,371,012 km (0.089 R)
• M10: 6,119,600 km (0.056 R)
• M11: 6,839,914 km (0.079 R)
• M12: 7,878,871 km (0.063 R)
• M13: 8,562,533 km (0.077 R)
• M14: 9,769,040 km (0.119 R)
• M15: 10,397,501 km (0.058 R)
• M16: 11,493,305 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 13.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.42 AU - 2.2 AU

Year: 1624 Days

Day: 9.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,765,388 km

• M1: 166,652 km (0.039 R)
• M2: 618,886 km (0.1 R)
• M3: 1,046,587 km (0.08 R)
• M4: 1,625,979 km (0.067 R)
• M5: 2,048,144 km (0.094 R)
• M6: 2,815,582 km (0.104 R)
• M7: 3,259,438 km (0.085 R)
• M8: 3,996,358 km (0.075 R)
• M9: 4,580,238 km (0.116 R)
• M10: 5,642,084 km (0.088 R)
• M11: 6,256,183 km (0.103 R)
• M12: 6,888,234 km (0.096 R)
• M13: 7,873,037 km (0.118 R)
• M14: 8,641,222 km (0.11 R)
• M15: 9,853,114 km (0.113 R)
• M16: 10,959,241 km (0.038 R)
• M17: 11,394,720 km (0.11 R)
• M18: 12,930,791 km (0.07 R)
• M19: 13,790,530 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 13

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.13 AU - 2.91 AU

Year: 2668 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,765,388 km

• M1: 161,715 km (0.109 R)
• M2: 589,116 km (0.039 R)
• M3: 1,107,623 km (0.047 R)
• M4: 2,522,519 km (0.116 R)
• M5: 2,989,863 km (0.094 R)
• M6: 3,466,332 km (0.101 R)
• M7: 3,904,804 km (0.07 R)
• M8: 4,813,311 km (0.093 R)
• M9: 5,904,778 km (0.113 R)
• M10: 6,311,385 km (0.053 R)
• M11: 7,479,445 km (0.105 R)
• M12: 8,100,725 km (0.106 R)
• M13: 9,414,643 km (0.1 R)
• M14: 9,838,603 km (0.119 R)
• M15: 10,309,537 km (0.038 R)
• M16: 12,039,487 km (0.1 R)
• M17: 13,134,095 km (0.098 R)
• M18: 13,913,799 km (0.113 R)
• M19: 14,379,198 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21

Radius: 13.4

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.77 AU - 2.77 AU

Year: 3074 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,765,388 km

• M1: 167,849 km (0.104 R)
• M2: 596,596 km (0.063 R)
• M3: 1,480,869 km (0.057 R)
• M4: 2,171,712 km (0.097 R)
• M5: 3,163,097 km (0.094 R)
• M6: 4,451,733 km (0.064 R)
• M7: 5,091,863 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.9

Radius: 11.6

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.59 AU - 3.21 AU

Year: 3293 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,765,388 km

• M1: 144,212 km (0.118 R)
• M2: 691,292 km (0.058 R)
• M3: 1,641,238 km (0.116 R)
• M4: 4,091,801 km (0.106 R)
• M5: 4,580,687 km (0.097 R)
• M6: 5,263,152 km (0.116 R)
• M7: 5,652,556 km (0.074 R)
• M8: 6,260,521 km (0.089 R)
• M9: 10,115,958 km (0.063 R)
• M10: 14,957,543 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.6

Radius: 11.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.02 AU - 6.04 AU

Year: 7523 Days

Day: 12.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,765,388 km

• M1: 145,559 km (0.082 R)
• M2: 566,378 km (0.094 R)
• M3: 1,415,196 km (0.071 R)
• M4: 2,281,068 km (0.095 R)
• M5: 3,430,878 km (0.113 R)
• M6: 3,809,510 km (0.086 R)
• M7: 6,900,651 km (0.106 R)
• M8: 8,188,090 km (0.063 R)
• M9: 9,670,605 km (0.077 R)
• M10: 10,131,366 km (0.092 R)
• M11: 10,650,770 km (0.088 R)
• M12: 11,649,186 km (0.107 R)
• M13: 12,027,370 km (0.094 R)
• M14: 15,695,809 km (0.098 R)
• M15: 18,412,955 km (0.079 R)
• M16: 19,056,824 km (0.111 R)
• M17: 19,983,433 km (0.085 R)
• M18: 24,298,135 km (0.096 R)
• M19: 27,413,511 km (0.096 R)
• M20: 28,508,567 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 13,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit