🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.6

Radius: 14.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.76 AU - 0.88 AU

Year: 522 Days

Day: 7.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,413,064 km

• M1: 182,958 km (0.075 R)
• M2: 660,475 km (0.088 R)
• M3: 1,244,505 km (0.066 R)
• M4: 1,918,742 km (0.086 R)
• M5: 2,419,746 km (0.051 R)
• M6: 4,375,887 km (0.071 R)
• M7: 4,930,147 km (0.109 R)
• M8: 6,962,435 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.3

Radius: 9.6

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.47 AU - 1.59 AU

Year: 1330 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 16,413,064 km

• M1: 119,529 km (0.037 R)
• M2: 1,013,526 km (0.05 R)
• M3: 1,632,711 km (0.042 R)
• M4: 2,425,281 km (0.1 R)
• M5: 3,166,389 km (0.111 R)
• M6: 3,646,747 km (0.043 R)
• M7: 4,157,175 km (0.115 R)
• M8: 5,134,049 km (0.117 R)
• M9: 5,578,056 km (0.106 R)
• M10: 5,888,172 km (0.057 R)
• M11: 6,209,957 km (0.115 R)
• M12: 6,764,068 km (0.106 R)
• M13: 7,142,850 km (0.098 R)
• M14: 8,110,449 km (0.115 R)
• M15: 9,564,540 km (0.077 R)
• M16: 10,238,179 km (0.047 R)
• M17: 10,977,492 km (0.064 R)
• M18: 11,325,157 km (0.066 R)
• M19: 11,932,973 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.4

Radius: 12

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.82 AU - 1.94 AU

Year: 1812 Days

Day: 11 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,413,064 km

• M1: 149,299 km (0.117 R)
• M2: 607,966 km (0.104 R)
• M3: 1,016,368 km (0.062 R)
• M4: 1,544,897 km (0.067 R)
• M5: 2,098,409 km (0.049 R)
• M6: 2,742,279 km (0.098 R)
• M7: 4,426,003 km (0.062 R)
• M8: 5,218,871 km (0.102 R)
• M9: 6,172,408 km (0.104 R)
• M10: 6,837,670 km (0.095 R)
• M11: 7,816,190 km (0.076 R)
• M12: 8,424,155 km (0.071 R)
• M13: 9,123,077 km (0.069 R)
• M14: 10,050,733 km (0.091 R)
• M15: 11,699,750 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.2

Radius: 13.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.33 AU - 2.35 AU

Year: 2516 Days

Day: 7.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,413,064 km

• M1: 170,841 km (0.081 R)
• M2: 639,232 km (0.11 R)
• M3: 1,241,812 km (0.049 R)
• M4: 1,768,247 km (0.093 R)
• M5: 2,523,118 km (0.093 R)
• M6: 3,255,250 km (0.111 R)
• M7: 3,831,201 km (0.075 R)
• M8: 4,317,095 km (0.116 R)
• M9: 4,865,222 km (0.034 R)
• M10: 5,930,957 km (0.061 R)
• M11: 7,010,007 km (0.042 R)
• M12: 7,770,413 km (0.04 R)
• M13: 8,616,389 km (0.069 R)
• M14: 9,725,208 km (0.036 R)
• M15: 10,853,774 km (0.096 R)
• M16: 13,161,022 km (0.057 R)
• M17: 14,810,189 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 14.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.43 AU - 2.85 AU

Year: 3015 Days

Day: 10.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,413,064 km

• M1: 176,675 km (0.043 R)
• M2: 701,764 km (0.102 R)
• M3: 1,628,223 km (0.093 R)
• M4: 2,593,728 km (0.1 R)
• M5: 3,343,064 km (0.073 R)
• M6: 4,315,749 km (0.082 R)
• M7: 5,252,232 km (0.113 R)
• M8: 5,718,678 km (0.112 R)
• M9: 6,511,696 km (0.091 R)
• M10: 8,091,450 km (0.101 R)
• M11: 12,165,448 km (0.115 R)
• M12: 13,478,619 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 11.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.69 AU - 3.33 AU

Year: 3671 Days

Day: 15 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 16,413,064 km

• M1: 144,212 km (0.099 R)
• M2: 557,701 km (0.087 R)
• M3: 1,169,855 km (0.107 R)
• M4: 1,636,601 km (0.114 R)
• M5: 2,129,376 km (0.116 R)
• M6: 3,729,026 km (0.081 R)
• M7: 4,097,037 km (0.057 R)
• M8: 4,632,747 km (0.105 R)
• M9: 5,237,122 km (0.101 R)
• M10: 5,629,368 km (0.102 R)
• M11: 6,292,834 km (0.076 R)
• M12: 7,229,616 km (0.12 R)
• M13: 8,822,235 km (0.12 R)
• M14: 9,821,250 km (0.107 R)
• M15: 11,306,757 km (0.11 R)
• M16: 12,444,448 km (0.081 R)
• M17: 12,936,925 km (0.098 R)
• M18: 13,314,809 km (0.067 R)
• M19: 14,269,692 km (0.094 R)
• M20: 15,597,373 km (0.069 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: 207 - 10,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit