🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 12.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.45 AU - 0.59 AU

Year: 254 Days

Day: 5 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,801,370 km

• M1: 153,039 km (0.117 R)
• M2: 582,085 km (0.036 R)
• M3: 994,227 km (0.062 R)
• M4: 1,439,132 km (0.119 R)
• M5: 2,099,307 km (0.03 R)
• M6: 2,669,424 km (0.117 R)
• M7: 3,158,310 km (0.099 R)
• M8: 3,740,246 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.6

Radius: 9.3

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.52 AU - 0.54 AU

Year: 262 Days

Day: 12.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,801,370 km

• M1: 115,639 km (0.046 R)
• M2: 416,480 km (0.114 R)
• M3: 736,620 km (0.036 R)
• M4: 1,052,271 km (0.118 R)
• M5: 1,343,389 km (0.096 R)
• M6: 1,936,245 km (0.061 R)
• M7: 2,293,485 km (0.105 R)
• M8: 2,875,271 km (0.052 R)
• M9: 3,488,772 km (0.068 R)
• M10: 3,860,672 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.5

Radius: 12.9

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.04 AU - 1.14 AU

Year: 772 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,801,370 km

• M1: 163,959 km (0.114 R)
• M2: 650,751 km (0.104 R)
• M3: 1,124,078 km (0.11 R)
• M4: 2,178,444 km (0.091 R)
• M5: 2,982,234 km (0.117 R)
• M6: 3,440,003 km (0.089 R)
• M7: 4,400,421 km (0.054 R)
• M8: 5,324,787 km (0.087 R)
• M9: 5,764,455 km (0.07 R)
• M10: 6,269,946 km (0.065 R)
• M11: 6,893,320 km (0.039 R)
• M12: 7,323,863 km (0.06 R)
• M13: 8,214,419 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.9

Radius: 12.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.22 AU - 1.24 AU

Year: 925 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,801,370 km

• M1: 157,975 km (0.119 R)
• M2: 814,860 km (0.073 R)
• M3: 1,351,916 km (0.103 R)
• M4: 1,808,937 km (0.099 R)
• M5: 2,298,571 km (0.063 R)
• M6: 2,864,949 km (0.048 R)
• M7: 3,745,332 km (0.116 R)
• M8: 4,550,468 km (0.039 R)
• M9: 5,073,013 km (0.03 R)
• M10: 6,320,211 km (0.094 R)
• M11: 6,778,579 km (0.098 R)
• M12: 8,022,635 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 9.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.76 AU - 2.5 AU

Year: 2108 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 103.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,801,370 km

• M1: 121,922 km (0.09 R)
• M2: 455,825 km (0.076 R)
• M3: 1,055,114 km (0.115 R)
• M4: 1,559,707 km (0.094 R)
• M5: 2,010,895 km (0.119 R)
• M6: 2,317,271 km (0.112 R)
• M7: 2,879,460 km (0.041 R)
• M8: 3,224,283 km (0.068 R)
• M9: 4,219,258 km (0.111 R)
• M10: 4,606,118 km (0.116 R)
• M11: 4,911,896 km (0.085 R)
• M12: 6,151,016 km (0.088 R)
• M13: 7,283,621 km (0.12 R)
• M14: 8,044,177 km (0.089 R)
• M15: 9,957,085 km (0.112 R)
• M16: 10,680,690 km (0.078 R)
• M17: 11,182,291 km (0.098 R)
• M18: 11,699,451 km (0.101 R)
• M19: 12,941,712 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.3

Radius: 6.5

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.54 AU - 6.28 AU

Year: 9745 Days

Day: 20.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,801,370 km

• M1: 80,783 km (0.043 R)
• M2: 293,511 km (0.117 R)
• M3: 939,923 km (0.072 R)
• M4: 1,431,352 km (0.088 R)
• M5: 2,081,654 km (0.092 R)
• M6: 2,970,415 km (0.107 R)
• M7: 3,414,272 km (0.084 R)
• M8: 4,535,508 km (0.045 R)
• M9: 5,583,142 km (0.066 R)
• M10: 5,945,169 km (0.044 R)
• M11: 10,518,974 km (0.08 R)
• M12: 14,800,166 km (0.052 R)
• M13: 17,576,104 km (0.089 R)
• M14: 19,976,851 km (0.102 R)
• M15: 25,581,535 km (0.066 R)
• M16: 26,579,353 km (0.109 R)
• M17: 29,546,926 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32

Radius: 5.4

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.05 AU - 9.53 AU

Year: 16189 Days

Day: 19.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,801,370 km

• M1: 67,169 km (0.092 R)
• M2: 446,998 km (0.063 R)
• M3: 1,485,956 km (0.115 R)
• M4: 2,020,768 km (0.095 R)
• M5: 2,453,555 km (0.119 R)
• M6: 3,804,423 km (0.027 R)
• M7: 6,376,908 km (0.101 R)
• M8: 7,173,667 km (0.059 R)
• M9: 7,366,498 km (0.072 R)
• M10: 8,103,717 km (0.111 R)
• M11: 12,128,199 km (0.106 R)
• M12: 12,962,805 km (0.112 R)
• M13: 17,543,043 km (0.114 R)
• M14: 19,281,370 km (0.116 R)
• M15: 19,780,429 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 12,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit