🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 8.4

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.54 AU - 0.82 AU

Year: 380 Days

Day: 12.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,617,789 km

• M1: 104,419 km (0.112 R)
• M2: 517,160 km (0.106 R)
• M3: 842,386 km (0.066 R)
• M4: 1,206,806 km (0.103 R)
• M5: 1,615,059 km (0.111 R)
• M6: 1,899,743 km (0.113 R)
• M7: 2,796,732 km (0.108 R)
• M8: 4,125,012 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.1

Radius: 8.8

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.74 AU - 1.08 AU

Year: 589 Days

Day: 8.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,617,789 km

• M1: 109,506 km (0.104 R)
• M2: 462,407 km (0.106 R)
• M3: 762,949 km (0.115 R)
• M4: 1,360,443 km (0.109 R)
• M5: 1,643,183 km (0.098 R)
• M6: 2,091,378 km (0.099 R)
• M7: 2,400,148 km (0.119 R)
• M8: 2,684,534 km (0.08 R)
• M9: 2,991,359 km (0.118 R)
• M10: 3,296,389 km (0.069 R)
• M11: 3,731,120 km (0.113 R)
• M12: 4,144,160 km (0.114 R)
• M13: 5,515,524 km (0.06 R)
• M14: 6,975,749 km (0.088 R)
• M15: 7,317,879 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.3

Radius: 14.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.78 AU - 2.4 AU

Year: 2049 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,617,789 km

• M1: 182,809 km (0.046 R)
• M2: 654,341 km (0.083 R)
• M3: 1,932,505 km (0.109 R)
• M4: 2,998,390 km (0.062 R)
• M5: 3,470,222 km (0.114 R)
• M6: 5,554,569 km (0.085 R)
• M7: 6,124,537 km (0.059 R)
• M8: 7,495,003 km (0.099 R)
• M9: 12,512,216 km (0.052 R)
• M10: 13,877,895 km (0.055 R)
• M11: 15,432,666 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.9

Radius: 9.6

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.83 AU - 3.15 AU

Year: 3507 Days

Day: 8.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,617,789 km

• M1: 121,025 km (0.114 R)
• M2: 505,641 km (0.075 R)
• M3: 905,965 km (0.114 R)
• M4: 1,222,215 km (0.114 R)
• M5: 2,308,894 km (0.118 R)
• M6: 5,637,446 km (0.091 R)
• M7: 6,099,255 km (0.117 R)
• M8: 9,533,274 km (0.115 R)
• M9: 13,739,368 km (0.053 R)
• M10: 16,030,309 km (0.093 R)
• M11: 17,635,046 km (0.09 R)
• M12: 19,896,367 km (0.103 R)
• M13: 21,879,137 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.3

Radius: 10.4

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.88 AU - 4.72 AU

Year: 5024 Days

Day: 9.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,617,789 km

• M1: 131,796 km (0.085 R)
• M2: 455,825 km (0.105 R)
• M3: 787,334 km (0.108 R)
• M4: 1,524,552 km (0.09 R)
• M5: 2,069,836 km (0.099 R)
• M6: 2,758,435 km (0.102 R)
• M7: 3,613,985 km (0.04 R)
• M8: 4,466,843 km (0.05 R)
• M9: 5,503,855 km (0.114 R)
• M10: 6,536,679 km (0.039 R)
• M11: 6,886,738 km (0.054 R)
• M12: 10,626,386 km (0.067 R)
• M13: 12,509,823 km (0.118 R)
• M14: 13,710,495 km (0.116 R)
• M15: 15,484,427 km (0.116 R)
• M16: 18,081,296 km (0.078 R)
• M17: 18,519,618 km (0.101 R)
• M18: 20,344,263 km (0.098 R)
• M19: 21,024,186 km (0.094 R)
• M20: 22,429,209 km (0.114 R)
• M21: 23,301,664 km (0.068 R)
• M22: 26,534,174 km (0.096 R)
• M23: 27,345,743 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.8

Radius: 11.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.28 AU - 4.36 AU

Year: 6090 Days

Day: 7.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,617,789 km

• M1: 199,414 km (0.119 R)
• M2: 811,568 km (0.12 R)
• M3: 1,253,032 km (0.069 R)
• M4: 2,048,593 km (0.073 R)
• M5: 2,566,800 km (0.083 R)
• M6: 2,970,715 km (0.09 R)
• M7: 3,771,213 km (0.088 R)
• M8: 4,170,639 km (0.031 R)
• M9: 11,570,199 km (0.112 R)
• M10: 16,180,206 km (0.118 R)
• M11: 16,546,272 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.2

Radius: 7

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.8 AU - 11.78 AU

Year: 20776 Days

Day: 22.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,617,789 km

• M1: 87,515 km (0.115 R)
• M2: 1,314,068 km (0.097 R)
• M3: 4,430,341 km (0.12 R)
• M4: 4,817,500 km (0.109 R)
• M5: 5,112,956 km (0.089 R)
• M6: 5,905,226 km (0.091 R)
• M7: 8,503,293 km (0.079 R)
• M8: 8,990,832 km (0.087 R)
• M9: 9,269,682 km (0.111 R)
• M10: 9,611,813 km (0.069 R)
• M11: 11,256,941 km (0.097 R)
• M12: 15,970,769 km (0.114 R)
• M13: 20,577,038 km (0.089 R)
• M14: 29,033,656 km (0.097 R)
• M15: 31,524,161 km (0.079 R)
• M16: 39,844,196 km (0.083 R)
• M17: 46,466,445 km (0.087 R)
• M18: 48,144,784 km (0.065 R)
• M19: 57,335,927 km (0.117 R)
• M20: 62,644,408 km (0.115 R)
• M21: 77,212,697 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 11,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit