🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401

Radius: 10.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.62 AU - 0.78 AU

Year: 372 Days

Day: 11.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,043,231 km

• M1: 134,339 km (0.072 R)
• M2: 488,886 km (0.036 R)
• M3: 1,047,933 km (0.11 R)
• M4: 1,462,170 km (0.043 R)
• M5: 2,224,221 km (0.111 R)
• M6: 3,285,468 km (0.114 R)
• M7: 3,841,075 km (0.062 R)
• M8: 4,191,284 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.5

Radius: 13.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.78 AU - 0.86 AU

Year: 472 Days

Day: 7.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,043,231 km

• M1: 165,455 km (0.115 R)
• M2: 663,616 km (0.091 R)
• M3: 1,181,524 km (0.083 R)
• M4: 1,923,978 km (0.098 R)
• M5: 2,347,340 km (0.096 R)
• M6: 2,762,624 km (0.086 R)
• M7: 3,407,839 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.6

Radius: 14

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.92 AU - 1.38 AU

Year: 784 Days

Day: 14.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,043,231 km

• M1: 174,132 km (0.08 R)
• M2: 635,941 km (0.111 R)
• M3: 1,080,396 km (0.095 R)
• M4: 1,615,807 km (0.063 R)
• M5: 2,054,278 km (0.094 R)
• M6: 2,907,883 km (0.114 R)
• M7: 3,582,121 km (0.081 R)
• M8: 4,093,297 km (0.072 R)
• M9: 4,805,233 km (0.114 R)
• M10: 5,829,679 km (0.073 R)
• M11: 6,414,906 km (0.089 R)
• M12: 7,151,077 km (0.031 R)
• M13: 8,112,842 km (0.097 R)
• M14: 8,792,316 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 8.4

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.41 AU - 2.43 AU

Year: 2394 Days

Day: 8.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,043,231 km

• M1: 104,419 km (0.09 R)
• M2: 471,383 km (0.099 R)
• M3: 783,145 km (0.076 R)
• M4: 1,125,574 km (0.045 R)
• M5: 1,447,060 km (0.073 R)
• M6: 1,727,855 km (0.116 R)
• M7: 1,996,084 km (0.116 R)
• M8: 2,444,130 km (0.091 R)
• M9: 3,541,879 km (0.092 R)
• M10: 5,386,720 km (0.116 R)
• M11: 6,123,340 km (0.076 R)
• M12: 6,529,947 km (0.116 R)
• M13: 6,810,892 km (0.056 R)
• M14: 7,733,761 km (0.1 R)
• M15: 9,079,095 km (0.111 R)
• M16: 9,394,148 km (0.117 R)
• M17: 12,353,792 km (0.077 R)
• M18: 13,003,645 km (0.106 R)
• M19: 13,359,539 km (0.104 R)
• M20: 13,721,715 km (0.058 R)
• M21: 14,090,623 km (0.077 R)
• M22: 14,944,827 km (0.081 R)
• M23: 16,808,218 km (0.076 R)
• M24: 18,373,311 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.4

Radius: 12.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.32 AU - 4.68 AU

Year: 5087 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,043,231 km

• M1: 157,975 km (0.111 R)
• M2: 747,690 km (0.037 R)
• M3: 1,678,488 km (0.094 R)
• M4: 2,240,228 km (0.065 R)
• M5: 3,905,851 km (0.048 R)
• M6: 4,310,513 km (0.092 R)
• M7: 4,743,300 km (0.085 R)
• M8: 6,347,288 km (0.09 R)
• M9: 6,774,390 km (0.045 R)
• M10: 9,712,043 km (0.116 R)
• M11: 11,581,418 km (0.111 R)
• M12: 12,473,770 km (0.098 R)
• M13: 15,135,714 km (0.06 R)
• M14: 23,758,685 km (0.089 R)
• M15: 25,116,735 km (0.116 R)
• M16: 29,140,768 km (0.107 R)
• M17: 30,049,275 km (0.12 R)
• M18: 32,018,432 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.4

Radius: 7.9

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.81 AU - 9.49 AU

Year: 16175 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,043,231 km

• M1: 98,435 km (0.102 R)
• M2: 388,805 km (0.059 R)
• M3: 665,860 km (0.109 R)
• M4: 984,204 km (0.08 R)
• M5: 2,211,805 km (0.048 R)
• M6: 3,114,029 km (0.119 R)
• M7: 5,778,367 km (0.081 R)
• M8: 6,266,056 km (0.084 R)
• M9: 6,780,972 km (0.06 R)
• M10: 10,305,648 km (0.116 R)
• M11: 11,966,184 km (0.118 R)
• M12: 12,292,307 km (0.032 R)
• M13: 13,167,754 km (0.051 R)
• M14: 13,797,711 km (0.038 R)
• M15: 14,156,297 km (0.104 R)
• M16: 15,193,609 km (0.09 R)
• M17: 16,201,449 km (0.1 R)
• M18: 16,843,374 km (0.115 R)
• M19: 17,253,122 km (0.069 R)
• M20: 23,505,715 km (0.117 R)
• M21: 24,328,204 km (0.109 R)
• M22: 24,957,562 km (0.114 R)
• M23: 30,388,713 km (0.105 R)
• M24: 31,984,773 km (0.074 R)
• M25: 35,610,876 km (0.083 R)
• M26: 41,252,959 km (0.109 R)
• M27: 42,903,024 km (0.104 R)
• M28: 44,285,308 km (0.03 R)
• M29: 44,752,652 km (0.027 R)
• M30: 51,644,925 km (0.115 R)
• M31: 52,336,067 km (0.11 R)
• M32: 52,683,882 km (0.088 R)
• M33: 55,342,236 km (0.086 R)
• M34: 64,647,822 km (0.074 R)
• M35: 66,056,735 km (0.109 R)
• M36: 69,563,758 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 11,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit