🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.9

Radius: 13.1

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.43 AU - 0.63 AU

Year: 266 Days

Day: 8.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,575,206 km

• M1: 163,062 km (0.096 R)
• M2: 608,863 km (0.113 R)
• M3: 1,032,824 km (0.073 R)
• M4: 1,631,664 km (0.114 R)
• M5: 2,297,075 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.8

Radius: 11.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.86 AU - 0.96 AU

Year: 599 Days

Day: 11 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,575,206 km

• M1: 151,692 km (0.057 R)
• M2: 554,410 km (0.055 R)
• M3: 1,166,115 km (0.086 R)
• M4: 1,586,635 km (0.114 R)
• M5: 1,962,425 km (0.099 R)
• M6: 2,775,639 km (0.099 R)
• M7: 3,827,013 km (0.07 R)
• M8: 5,003,301 km (0.063 R)
• M9: 5,608,873 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.6

Radius: 14.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.78 AU - 1.08 AU

Year: 619 Days

Day: 8.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,575,206 km

• M1: 183,257 km (0.064 R)
• M2: 656,435 km (0.106 R)
• M3: 1,564,495 km (0.082 R)
• M4: 2,809,747 km (0.112 R)
• M5: 3,695,815 km (0.118 R)
• M6: 5,970,152 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763

Radius: 8.1

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.14 AU - 1.38 AU

Year: 976 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,575,206 km

• M1: 100,679 km (0.091 R)
• M2: 365,916 km (0.049 R)
• M3: 873,801 km (0.12 R)
• M4: 1,358,648 km (0.065 R)
• M5: 2,115,613 km (0.099 R)
• M6: 2,492,450 km (0.078 R)
• M7: 2,759,782 km (0.034 R)
• M8: 3,633,732 km (0.078 R)
• M9: 4,159,718 km (0.119 R)
• M10: 6,691,064 km (0.106 R)
• M11: 6,971,560 km (0.079 R)
• M12: 7,681,851 km (0.107 R)
• M13: 8,199,010 km (0.06 R)
• M14: 8,990,234 km (0.086 R)
• M15: 9,801,353 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.7

Radius: 10.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.75 AU - 2.01 AU

Year: 1779 Days

Day: 12.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,575,206 km

• M1: 144,362 km (0.051 R)
• M2: 667,655 km (0.081 R)
• M3: 2,554,982 km (0.071 R)
• M4: 3,982,295 km (0.092 R)
• M5: 4,374,391 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.7

Radius: 11.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.97 AU - 2.59 AU

Year: 2376 Days

Day: 13.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,575,206 km

• M1: 146,756 km (0.07 R)
• M2: 610,359 km (0.1 R)
• M3: 1,274,723 km (0.084 R)
• M4: 1,726,359 km (0.117 R)
• M5: 3,283,224 km (0.052 R)
• M6: 5,005,694 km (0.11 R)
• M7: 6,704,528 km (0.103 R)
• M8: 7,974,165 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.4

Radius: 11.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.08 AU - 4.84 AU

Year: 5439 Days

Day: 15 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,575,206 km

• M1: 159,172 km (0.109 R)
• M2: 559,795 km (0.116 R)
• M3: 1,681,181 km (0.11 R)
• M4: 2,311,287 km (0.109 R)
• M5: 2,989,265 km (0.076 R)
• M6: 6,174,503 km (0.045 R)
• M7: 6,551,639 km (0.116 R)
• M8: 6,975,001 km (0.052 R)
• M9: 7,611,689 km (0.094 R)
• M10: 9,298,555 km (0.079 R)
• M11: 15,048,050 km (0.05 R)
• M12: 16,998,656 km (0.051 R)
• M13: 18,508,548 km (0.067 R)
• M14: 22,399,140 km (0.102 R)
• M15: 23,293,735 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.8

Radius: 9.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.78 AU - 5.62 AU

Year: 8185 Days

Day: 14.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 53.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,575,206 km

• M1: 117,285 km (0.078 R)
• M2: 435,928 km (0.103 R)
• M3: 1,118,842 km (0.056 R)
• M4: 1,446,013 km (0.035 R)
• M5: 1,875,359 km (0.112 R)
• M6: 3,208,874 km (0.089 R)
• M7: 3,902,260 km (0.053 R)
• M8: 5,011,529 km (0.086 R)
• M9: 5,944,122 km (0.107 R)
• M10: 6,496,587 km (0.117 R)
• M11: 7,805,718 km (0.116 R)
• M12: 10,683,532 km (0.065 R)
• M13: 12,037,692 km (0.063 R)
• M14: 13,949,702 km (0.114 R)
• M15: 14,716,242 km (0.112 R)
• M16: 15,296,083 km (0.075 R)
• M17: 23,562,113 km (0.031 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: 217 - 15,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit