🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.4

Radius: 13.6

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.7 AU - 0.96 AU

Year: 513 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,544,580 km

• M1: 169,345 km (0.106 R)
• M2: 659,876 km (0.104 R)
• M3: 1,177,784 km (0.111 R)
• M4: 1,865,336 km (0.052 R)
• M5: 2,520,126 km (0.116 R)
• M6: 3,100,117 km (0.117 R)
• M7: 3,970,627 km (0.113 R)
• M8: 4,441,710 km (0.086 R)
• M9: 5,463,165 km (0.093 R)
• M10: 6,048,242 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 10.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.9 AU - 1 AU

Year: 628 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,544,580 km

• M1: 131,796 km (0.102 R)
• M2: 472,580 km (0.114 R)
• M3: 871,408 km (0.106 R)
• M4: 1,227,301 km (0.087 R)
• M5: 1,608,925 km (0.117 R)
• M6: 1,939,387 km (0.109 R)
• M7: 2,341,655 km (0.047 R)
• M8: 3,091,739 km (0.068 R)
• M9: 3,679,958 km (0.056 R)
• M10: 4,721,758 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 14.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.08 AU - 1.4 AU

Year: 937 Days

Day: 12.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,544,580 km

• M1: 181,612 km (0.108 R)
• M2: 661,372 km (0.089 R)
• M3: 1,410,858 km (0.094 R)
• M4: 1,961,976 km (0.027 R)
• M5: 2,482,427 km (0.084 R)
• M6: 3,053,741 km (0.117 R)
• M7: 4,451,434 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441

Radius: 10.6

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.81 AU - 2.07 AU

Year: 1833 Days

Day: 13 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,544,580 km

• M1: 131,796 km (0.056 R)
• M2: 471,233 km (0.103 R)
• M3: 812,466 km (0.118 R)
• M4: 1,452,745 km (0.118 R)
• M5: 1,896,153 km (0.082 R)
• M6: 2,367,835 km (0.097 R)
• M7: 2,959,345 km (0.106 R)
• M8: 3,298,334 km (0.102 R)
• M9: 4,271,019 km (0.109 R)
• M10: 5,087,524 km (0.108 R)
• M11: 5,890,416 km (0.099 R)
• M12: 7,774,452 km (0.105 R)
• M13: 9,204,009 km (0.039 R)
• M14: 10,128,524 km (0.04 R)
• M15: 12,424,702 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.4

Radius: 10.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.48 AU - 3.74 AU

Year: 3720 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,544,580 km

• M1: 211,831 km (0.075 R)
• M2: 543,639 km (0.117 R)
• M3: 1,517,521 km (0.106 R)
• M4: 2,301,563 km (0.066 R)
• M5: 2,631,875 km (0.064 R)
• M6: 2,994,201 km (0.048 R)
• M7: 3,353,984 km (0.11 R)
• M8: 3,879,073 km (0.097 R)
• M9: 4,203,251 km (0.111 R)
• M10: 8,901,373 km (0.098 R)
• M11: 10,873,072 km (0.082 R)
• M12: 20,150,085 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 10.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.19 AU - 4.79 AU

Year: 5406 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,544,580 km

• M1: 125,662 km (0.077 R)
• M2: 452,833 km (0.113 R)
• M3: 870,211 km (0.059 R)
• M4: 1,459,477 km (0.075 R)
• M5: 1,970,952 km (0.047 R)
• M6: 2,327,294 km (0.091 R)
• M7: 2,841,911 km (0.111 R)
• M8: 3,664,699 km (0.081 R)
• M9: 4,974,877 km (0.108 R)
• M10: 5,535,869 km (0.086 R)
• M11: 5,997,827 km (0.056 R)
• M12: 7,410,181 km (0.118 R)
• M13: 9,293,169 km (0.108 R)
• M14: 9,790,283 km (0.111 R)
• M15: 10,507,904 km (0.077 R)
• M16: 11,958,555 km (0.077 R)
• M17: 14,479,578 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.1

Radius: 12.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.72 AU - 5.94 AU

Year: 8346 Days

Day: 11.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,544,580 km

• M1: 159,172 km (0.039 R)
• M2: 664,813 km (0.088 R)
• M3: 1,069,176 km (0.109 R)
• M4: 1,583,493 km (0.1 R)
• M5: 2,060,860 km (0.119 R)
• M6: 2,477,490 km (0.11 R)
• M7: 3,752,064 km (0.046 R)
• M8: 4,561,389 km (0.059 R)
• M9: 7,257,142 km (0.116 R)
• M10: 8,235,812 km (0.116 R)
• M11: 9,257,864 km (0.108 R)
• M12: 12,780,744 km (0.104 R)
• M13: 14,549,739 km (0.111 R)
• M14: 15,075,576 km (0.097 R)
• M15: 15,857,225 km (0.085 R)
• M16: 17,306,379 km (0.079 R)
• M17: 17,830,570 km (0.06 R)
• M18: 18,636,753 km (0.069 R)
• M19: 19,678,553 km (0.118 R)
• M20: 20,466,784 km (0.104 R)
• M21: 22,802,007 km (0.103 R)
• M22: 23,993,554 km (0.108 R)
• M23: 26,586,982 km (0.113 R)
• M24: 27,906,585 km (0.103 R)
• M25: 30,014,270 km (0.086 R)
• M26: 30,867,277 km (0.113 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 13,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit