🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 13.2

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.84 AU - 0.92 AU

Year: 533 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,504,359 km

• M1: 164,558 km (0.104 R)
• M2: 704,756 km (0.081 R)
• M3: 1,156,691 km (0.119 R)
• M4: 1,647,671 km (0.094 R)
• M5: 2,199,089 km (0.106 R)
• M6: 3,201,694 km (0.106 R)
• M7: 4,111,548 km (0.076 R)
• M8: 4,936,281 km (0.087 R)
• M9: 5,595,708 km (0.12 R)
• M10: 6,043,754 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.8

Radius: 13.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.71 AU - 1.09 AU

Year: 551 Days

Day: 14.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,504,359 km

• M1: 201,060 km (0.108 R)
• M2: 895,343 km (0.116 R)
• M3: 1,658,592 km (0.074 R)
• M4: 2,246,511 km (0.104 R)
• M5: 2,909,230 km (0.099 R)
• M6: 3,578,531 km (0.075 R)
• M7: 4,417,775 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.9

Radius: 12.7

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.61 AU - 2.11 AU

Year: 1638 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,504,359 km

• M1: 157,975 km (0.12 R)
• M2: 576,849 km (0.119 R)
• M3: 1,028,037 km (0.092 R)
• M4: 1,464,264 km (0.078 R)
• M5: 1,907,223 km (0.099 R)
• M6: 2,427,824 km (0.093 R)
• M7: 2,926,134 km (0.095 R)
• M8: 3,951,329 km (0.105 R)
• M9: 4,411,940 km (0.109 R)
• M10: 4,846,821 km (0.111 R)
• M11: 5,464,212 km (0.104 R)
• M12: 6,085,641 km (0.075 R)
• M13: 7,664,198 km (0.114 R)
• M14: 9,468,348 km (0.032 R)
• M15: 12,722,551 km (0.12 R)
• M16: 13,404,119 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.3

Radius: 8.2

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.39 AU - 2.41 AU

Year: 2401 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,504,359 km

• M1: 102,026 km (0.039 R)
• M2: 450,290 km (0.103 R)
• M3: 867,967 km (0.049 R)
• M4: 1,281,904 km (0.104 R)
• M5: 1,570,329 km (0.118 R)
• M6: 2,903,994 km (0.043 R)
• M7: 3,173,420 km (0.097 R)
• M8: 3,837,036 km (0.095 R)
• M9: 4,301,836 km (0.12 R)
• M10: 6,152,063 km (0.105 R)
• M11: 6,545,505 km (0.04 R)
• M12: 7,324,611 km (0.114 R)
• M13: 11,298,080 km (0.069 R)
• M14: 11,808,658 km (0.105 R)
• M15: 13,303,290 km (0.036 R)
• M16: 15,013,343 km (0.099 R)
• M17: 16,264,729 km (0.104 R)
• M18: 16,563,177 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 13.5

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.19 AU - 3.29 AU

Year: 2928 Days

Day: 13.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,504,359 km

• M1: 167,849 km (0.094 R)
• M2: 1,193,941 km (0.106 R)
• M3: 1,990,549 km (0.041 R)
• M4: 2,495,143 km (0.09 R)
• M5: 7,113,229 km (0.115 R)
• M6: 8,723,052 km (0.09 R)
• M7: 9,151,799 km (0.093 R)
• M8: 12,337,785 km (0.119 R)
• M9: 14,107,079 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.5

Radius: 9.1

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.19 AU - 5.39 AU

Year: 6769 Days

Day: 6.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,504,359 km

• M1: 113,545 km (0.055 R)
• M2: 585,526 km (0.064 R)
• M3: 1,328,878 km (0.113 R)
• M4: 3,276,193 km (0.062 R)
• M5: 4,558,098 km (0.119 R)
• M6: 4,877,339 km (0.097 R)
• M7: 7,586,258 km (0.089 R)
• M8: 8,345,616 km (0.059 R)
• M9: 8,865,918 km (0.1 R)
• M10: 12,147,646 km (0.065 R)
• M11: 12,763,840 km (0.115 R)
• M12: 13,239,561 km (0.067 R)
• M13: 14,795,379 km (0.057 R)
• M14: 17,805,288 km (0.07 R)
• M15: 20,836,141 km (0.113 R)
• M16: 23,089,534 km (0.027 R)
• M17: 25,834,206 km (0.092 R)
• M18: 27,111,473 km (0.081 R)
• M19: 28,341,167 km (0.044 R)
• M20: 29,699,516 km (0.083 R)
• M21: 30,535,020 km (0.097 R)
• M22: 31,577,418 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 13.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.69 AU - 6.59 AU

Year: 8648 Days

Day: 10.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,504,359 km

• M1: 174,132 km (0.067 R)
• M2: 932,444 km (0.116 R)
• M3: 2,303,209 km (0.074 R)
• M4: 3,309,703 km (0.064 R)
• M5: 4,327,268 km (0.051 R)
• M6: 5,009,285 km (0.059 R)
• M7: 5,544,097 km (0.113 R)
• M8: 6,417,898 km (0.064 R)
• M9: 7,381,608 km (0.077 R)
• M10: 8,439,713 km (0.072 R)
• M11: 9,156,437 km (0.119 R)
• M12: 10,425,027 km (0.094 R)
• M13: 11,350,589 km (0.074 R)
• M14: 12,119,372 km (0.096 R)
• M15: 13,142,921 km (0.089 R)
• M16: 14,048,736 km (0.105 R)
• M17: 14,815,126 km (0.114 R)
• M18: 15,547,108 km (0.069 R)
• M19: 18,300,607 km (0.098 R)
• M20: 19,792,696 km (0.12 R)
• M21: 21,211,332 km (0.081 R)
• M22: 28,212,214 km (0.066 R)
• M23: 29,432,483 km (0.069 R)
• M24: 30,982,317 km (0.089 R)
• M25: 32,281,126 km (0.069 R)
• M26: 33,615,988 km (0.07 R)
• M27: 35,741,026 km (0.115 R)
• M28: 36,947,233 km (0.1 R)
• M29: 37,504,336 km (0.094 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 13,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit