🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.7

Radius: 12.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.7 AU - 1 AU

Year: 523 Days

Day: 12.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,664,684 km

• M1: 159,172 km (0.114 R)
• M2: 565,779 km (0.097 R)
• M3: 1,247,347 km (0.104 R)
• M4: 2,259,077 km (0.067 R)
• M5: 3,278,138 km (0.046 R)
• M6: 3,933,526 km (0.11 R)
• M7: 4,388,304 km (0.045 R)
• M8: 5,071,069 km (0.026 R)
• M9: 5,541,853 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.8

Radius: 8.8

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.31 AU - 1.65 AU

Year: 1201 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,664,684 km

• M1: 109,506 km (0.111 R)
• M2: 404,213 km (0.11 R)
• M3: 702,960 km (0.056 R)
• M4: 983,756 km (0.079 R)
• M5: 1,863,840 km (0.108 R)
• M6: 2,372,173 km (0.093 R)
• M7: 4,232,872 km (0.101 R)
• M8: 4,667,753 km (0.07 R)
• M9: 5,112,358 km (0.047 R)
• M10: 5,417,388 km (0.084 R)
• M11: 5,691,451 km (0.116 R)
• M12: 6,176,597 km (0.112 R)
• M13: 6,906,784 km (0.076 R)
• M14: 8,013,210 km (0.088 R)
• M15: 8,566,423 km (0.078 R)
• M16: 9,085,827 km (0.11 R)
• M17: 9,718,177 km (0.093 R)
• M18: 9,998,074 km (0.108 R)
• M19: 10,573,877 km (0.072 R)
• M20: 11,138,010 km (0.096 R)
• M21: 11,513,501 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.2

Radius: 13.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.49 AU - 1.65 AU

Year: 1312 Days

Day: 13.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,664,684 km

• M1: 162,912 km (0.066 R)
• M2: 595,549 km (0.071 R)
• M3: 1,022,501 km (0.108 R)
• M4: 1,735,335 km (0.04 R)
• M5: 2,521,622 km (0.1 R)
• M6: 3,760,292 km (0.096 R)
• M7: 4,242,147 km (0.084 R)
• M8: 4,911,896 km (0.113 R)
• M9: 6,091,027 km (0.077 R)
• M10: 6,553,584 km (0.08 R)
• M11: 7,087,199 km (0.119 R)
• M12: 7,826,811 km (0.107 R)
• M13: 8,781,545 km (0.11 R)
• M14: 10,419,043 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.6

Radius: 11.1

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.42 AU - 1.8 AU

Year: 1362 Days

Day: 10.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,664,684 km

• M1: 138,827 km (0.086 R)
• M2: 553,512 km (0.117 R)
• M3: 1,215,483 km (0.073 R)
• M4: 1,784,852 km (0.112 R)
• M5: 2,513,843 km (0.062 R)
• M6: 3,264,226 km (0.052 R)
• M7: 3,684,446 km (0.089 R)
• M8: 4,088,061 km (0.11 R)
• M9: 4,615,244 km (0.064 R)
• M10: 5,374,453 km (0.094 R)
• M11: 5,917,942 km (0.118 R)
• M12: 7,295,140 km (0.114 R)
• M13: 7,798,537 km (0.097 R)
• M14: 9,542,399 km (0.054 R)
• M15: 10,840,759 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.4

Radius: 14.3

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.75 AU - 3.31 AU

Year: 3517 Days

Day: 12 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,664,684 km

• M1: 178,021 km (0.118 R)
• M2: 696,677 km (0.073 R)
• M3: 1,608,776 km (0.11 R)
• M4: 3,317,183 km (0.112 R)
• M5: 4,062,629 km (0.081 R)
• M6: 6,761,525 km (0.115 R)
• M7: 7,503,680 km (0.117 R)
• M8: 11,518,886 km (0.069 R)
• M9: 12,541,537 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.8

Radius: 11.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.42 AU - 4.48 AU

Year: 5235 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,664,684 km

• M1: 164,109 km (0.092 R)
• M2: 674,836 km (0.109 R)
• M3: 1,034,020 km (0.041 R)
• M4: 1,435,990 km (0.103 R)
• M5: 2,510,252 km (0.119 R)
• M6: 3,272,453 km (0.062 R)
• M7: 3,895,529 km (0.07 R)
• M8: 5,108,468 km (0.096 R)
• M9: 6,083,697 km (0.093 R)
• M10: 6,644,539 km (0.036 R)
• M11: 14,647,876 km (0.063 R)
• M12: 17,037,701 km (0.071 R)
• M13: 18,963,624 km (0.08 R)
• M14: 20,039,981 km (0.071 R)
• M15: 20,407,693 km (0.057 R)

Asteroid Belt

Center: 6.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.1

Radius: 6.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.52 AU - 9.58 AU

Year: 18155 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,664,684 km

• M1: 77,043 km (0.084 R)
• M2: 2,431,265 km (0.097 R)
• M3: 2,783,867 km (0.112 R)
• M4: 3,866,507 km (0.072 R)
• M5: 4,573,656 km (0.074 R)
• M6: 7,488,421 km (0.103 R)
• M7: 8,149,194 km (0.115 R)
• M8: 9,258,612 km (0.045 R)
• M9: 10,924,235 km (0.111 R)
• M10: 15,876,224 km (0.057 R)
• M11: 18,100,295 km (0.078 R)
• M12: 29,077,637 km (0.111 R)
• M13: 32,384,947 km (0.077 R)
• M14: 37,447,937 km (0.118 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: 164 - 13,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit