🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.9

Radius: 15

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.04 AU - 1.22 AU

Year: 844 Days

Day: 10.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 64.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,314,151 km

• M1: 186,549 km (0.114 R)
• M2: 681,867 km (0.11 R)
• M3: 1,383,930 km (0.064 R)
• M4: 1,871,619 km (0.11 R)
• M5: 2,444,280 km (0.108 R)
• M6: 2,922,544 km (0.115 R)
• M7: 3,921,409 km (0.112 R)
• M8: 4,617,039 km (0.081 R)
• M9: 5,601,692 km (0.105 R)
• M10: 6,236,586 km (0.107 R)
• M11: 6,941,341 km (0.094 R)
• M12: 7,963,543 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.1

Radius: 11.2

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.39 AU - 1.97 AU

Year: 1531 Days

Day: 7.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,314,151 km

• M1: 144,512 km (0.057 R)
• M2: 623,674 km (0.1 R)
• M3: 1,403,976 km (0.107 R)
• M4: 1,810,134 km (0.079 R)
• M5: 2,909,080 km (0.064 R)
• M6: 4,388,304 km (0.088 R)
• M7: 4,867,466 km (0.029 R)
• M8: 5,470,345 km (0.116 R)
• M9: 6,195,297 km (0.08 R)
• M10: 6,593,975 km (0.079 R)
• M11: 7,036,336 km (0.101 R)
• M12: 7,666,143 km (0.089 R)
• M13: 8,423,258 km (0.035 R)
• M14: 8,944,606 km (0.082 R)
• M15: 9,357,796 km (0.064 R)
• M16: 11,103,453 km (0.08 R)
• M17: 12,303,976 km (0.08 R)
• M18: 13,056,753 km (0.094 R)
• M19: 14,093,466 km (0.112 R)
• M20: 14,479,877 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 9

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.76 AU - 1.92 AU

Year: 1754 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,314,151 km

• M1: 121,324 km (0.119 R)
• M2: 914,941 km (0.117 R)
• M3: 1,901,539 km (0.092 R)
• M4: 2,269,549 km (0.09 R)
• M5: 3,427,886 km (0.106 R)
• M6: 4,748,685 km (0.078 R)
• M7: 6,614,619 km (0.032 R)
• M8: 7,239,041 km (0.12 R)
• M9: 8,264,086 km (0.088 R)
• M10: 8,988,588 km (0.09 R)
• M11: 10,277,523 km (0.102 R)
• M12: 11,493,156 km (0.072 R)
• M13: 11,997,450 km (0.085 R)
• M14: 13,599,344 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.5

Radius: 6

Gravity: 27.13 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.2 AU - 6.62 AU

Year: 10099 Days

Day: 18 Hours

Environment

Temp: -222 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,314,151 km

• M1: 75,098 km (0.102 R)
• M2: 355,445 km (0.117 R)
• M3: 555,606 km (0.044 R)
• M4: 891,753 km (0.105 R)
• M5: 1,303,745 km (0.037 R)
• M6: 1,643,632 km (0.04 R)
• M7: 1,885,083 km (0.063 R)
• M8: 2,095,118 km (0.084 R)
• M9: 3,003,476 km (0.085 R)
• M10: 3,242,085 km (0.111 R)
• M11: 3,757,599 km (0.088 R)
• M12: 4,538,351 km (0.066 R)
• M13: 5,387,468 km (0.096 R)
• M14: 5,813,224 km (0.101 R)
• M15: 6,934,759 km (0.103 R)
• M16: 7,481,689 km (0.116 R)
• M17: 8,472,027 km (0.078 R)
• M18: 9,855,358 km (0.062 R)
• M19: 10,875,616 km (0.12 R)
• M20: 13,569,724 km (0.112 R)
• M21: 15,807,109 km (0.093 R)
• M22: 23,320,064 km (0.084 R)
• M23: 29,864,971 km (0.046 R)
• M24: 36,403,146 km (0.105 R)
• M25: 37,282,033 km (0.095 R)
• M26: 40,003,368 km (0.102 R)
• M27: 41,616,482 km (0.114 R)
• M28: 44,116,711 km (0.097 R)
• M29: 46,715,226 km (0.099 R)
• M30: 53,654,473 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.4

Radius: 3.9

Gravity: 16.4 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.81 AU - 9.05 AU

Year: 14236 Days

Day: 16.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,314,151 km

• M1: 48,769 km (0.102 R)
• M2: 183,108 km (0.057 R)
• M3: 318,045 km (0.109 R)
• M4: 938,577 km (0.095 R)
• M5: 1,300,305 km (0.046 R)
• M6: 1,575,266 km (0.105 R)
• M7: 1,748,949 km (0.098 R)
• M8: 2,422,588 km (0.032 R)
• M9: 2,694,706 km (0.049 R)
• M10: 3,185,836 km (0.04 R)
• M11: 4,370,651 km (0.025 R)
• M12: 5,720,473 km (0.115 R)
• M13: 6,636,760 km (0.097 R)
• M14: 7,129,685 km (0.112 R)
• M15: 8,799,496 km (0.072 R)
• M16: 10,764,315 km (0.116 R)
• M17: 12,600,629 km (0.089 R)
• M18: 13,712,739 km (0.063 R)
• M19: 14,952,307 km (0.107 R)
• M20: 15,796,937 km (0.114 R)
• M21: 16,197,261 km (0.092 R)
• M22: 19,647,137 km (0.092 R)
• M23: 20,738,603 km (0.074 R)
• M24: 24,519,989 km (0.104 R)
• M25: 24,966,538 km (0.072 R)
• M26: 27,376,261 km (0.106 R)
• M27: 27,953,709 km (0.106 R)
• M28: 30,652,305 km (0.105 R)
• M29: 35,300,460 km (0.107 R)
• M30: 36,445,033 km (0.119 R)
• M31: 37,026,371 km (0.093 R)
• M32: 39,658,096 km (0.069 R)
• M33: 40,396,960 km (0.112 R)
• M34: 40,894,523 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 13,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit