🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 9.8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.45 AU - 0.65 AU

Year: 277 Days

Day: 6.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,098,662 km

• M1: 122,221 km (0.101 R)
• M2: 557,102 km (0.114 R)
• M3: 1,160,131 km (0.089 R)
• M4: 1,657,694 km (0.092 R)
• M5: 2,180,987 km (0.105 R)
• M6: 2,801,968 km (0.101 R)
• M7: 3,427,437 km (0.065 R)
• M8: 3,808,463 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 14.4

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.6 AU - 0.66 AU

Year: 339 Days

Day: 6.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,098,662 km

• M1: 179,069 km (0.055 R)
• M2: 662,719 km (0.064 R)
• M3: 1,154,447 km (0.06 R)
• M4: 1,718,580 km (0.12 R)
• M5: 2,412,415 km (0.068 R)
• M6: 2,902,498 km (0.084 R)
• M7: 3,471,119 km (0.066 R)
• M8: 3,984,240 km (0.096 R)
• M9: 4,506,037 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.3

Radius: 14.7

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.93 AU - 1.11 AU

Year: 699 Days

Day: 7.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,098,662 km

• M1: 182,809 km (0.092 R)
• M2: 703,559 km (0.088 R)
• M3: 1,208,751 km (0.063 R)
• M4: 1,672,205 km (0.057 R)
• M5: 2,527,007 km (0.033 R)
• M6: 3,133,926 km (0.077 R)
• M7: 3,993,216 km (0.068 R)
• M8: 4,581,285 km (0.106 R)
• M9: 5,055,660 km (0.093 R)
• M10: 5,544,845 km (0.11 R)
• M11: 6,680,742 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.6

Radius: 13.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.99 AU - 1.09 AU

Year: 719 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,098,662 km

• M1: 171,738 km (0.051 R)
• M2: 692,937 km (0.072 R)
• M3: 1,203,365 km (0.084 R)
• M4: 1,735,634 km (0.111 R)
• M5: 2,170,366 km (0.091 R)
• M6: 3,241,935 km (0.04 R)
• M7: 4,404,012 km (0.116 R)
• M8: 5,678,286 km (0.088 R)
• M9: 6,212,650 km (0.07 R)
• M10: 6,697,347 km (0.075 R)
• M11: 7,405,095 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 10.2

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.03 AU - 1.11 AU

Year: 751 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,098,662 km

• M1: 126,859 km (0.059 R)
• M2: 524,341 km (0.118 R)
• M3: 1,561,802 km (0.091 R)
• M4: 2,215,694 km (0.093 R)
• M5: 2,979,541 km (0.06 R)
• M6: 3,730,522 km (0.063 R)
• M7: 4,048,717 km (0.094 R)
• M8: 4,916,085 km (0.102 R)
• M9: 5,299,804 km (0.065 R)
• M10: 6,086,389 km (0.055 R)
• M11: 7,292,447 km (0.089 R)
• M12: 7,671,678 km (0.099 R)
• M13: 9,103,629 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.7

Radius: 8.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.39 AU - 2.05 AU

Year: 1530 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,098,662 km

• M1: 109,506 km (0.092 R)
• M2: 417,976 km (0.098 R)
• M3: 782,546 km (0.108 R)
• M4: 1,183,768 km (0.063 R)
• M5: 1,575,864 km (0.081 R)
• M6: 2,023,760 km (0.069 R)
• M7: 2,353,623 km (0.062 R)
• M8: 2,779,977 km (0.108 R)
• M9: 3,311,798 km (0.031 R)
• M10: 4,082,077 km (0.055 R)
• M11: 4,612,551 km (0.101 R)
• M12: 5,169,654 km (0.098 R)
• M13: 5,933,351 km (0.12 R)
• M14: 7,880,965 km (0.101 R)
• M15: 8,650,646 km (0.117 R)
• M16: 9,357,496 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.5

Radius: 14.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.58 AU - 2.08 AU

Year: 1679 Days

Day: 13 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,098,662 km

• M1: 175,478 km (0.115 R)
• M2: 649,704 km (0.112 R)
• M3: 1,105,379 km (0.055 R)
• M4: 1,607,130 km (0.114 R)
• M5: 2,071,781 km (0.074 R)
• M6: 3,202,591 km (0.12 R)
• M7: 3,897,324 km (0.096 R)
• M8: 4,448,143 km (0.11 R)
• M9: 5,116,247 km (0.105 R)
• M10: 5,567,135 km (0.028 R)
• M11: 6,446,471 km (0.118 R)
• M12: 7,530,158 km (0.099 R)
• M13: 8,085,915 km (0.068 R)
• M14: 8,732,028 km (0.075 R)
• M15: 9,579,500 km (0.12 R)
• M16: 11,629,290 km (0.101 R)
• M17: 13,485,650 km (0.119 R)
• M18: 14,175,445 km (0.076 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 16,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit