🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 10.9

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.79 AU - 0.83 AU

Year: 494 Days

Day: 8.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,828,607 km

• M1: 135,536 km (0.087 R)
• M2: 874,699 km (0.062 R)
• M3: 1,460,524 km (0.109 R)
• M4: 1,823,448 km (0.066 R)
• M5: 2,349,435 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.2

Radius: 8.4

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.56 AU - 2.24 AU

Year: 1776 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,828,607 km

• M1: 104,419 km (0.034 R)
• M2: 371,302 km (0.031 R)
• M3: 701,913 km (0.11 R)
• M4: 1,008,439 km (0.049 R)
• M5: 1,342,491 km (0.097 R)
• M6: 1,687,165 km (0.109 R)
• M7: 1,995,486 km (0.081 R)
• M8: 2,474,648 km (0.083 R)
• M9: 2,860,311 km (0.067 R)
• M10: 3,302,074 km (0.114 R)
• M11: 3,680,706 km (0.116 R)
• M12: 4,184,552 km (0.078 R)
• M13: 4,927,305 km (0.12 R)
• M14: 6,539,521 km (0.085 R)
• M15: 7,026,612 km (0.119 R)
• M16: 8,698,219 km (0.03 R)
• M17: 9,660,881 km (0.079 R)
• M18: 10,656,006 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.8

Radius: 12.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.41 AU - 4.63 AU

Year: 5467 Days

Day: 9.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,828,607 km

• M1: 155,432 km (0.098 R)
• M2: 683,064 km (0.052 R)
• M3: 1,214,735 km (0.051 R)
• M4: 1,828,834 km (0.117 R)
• M5: 2,509,055 km (0.042 R)
• M6: 2,909,230 km (0.076 R)
• M7: 3,496,102 km (0.096 R)
• M8: 4,524,139 km (0.09 R)
• M9: 5,922,131 km (0.1 R)
• M10: 7,733,312 km (0.054 R)
• M11: 8,361,474 km (0.075 R)
• M12: 9,183,963 km (0.053 R)
• M13: 10,899,551 km (0.063 R)
• M14: 11,595,032 km (0.054 R)
• M15: 14,566,045 km (0.108 R)
• M16: 17,319,843 km (0.087 R)
• M17: 18,203,219 km (0.102 R)
• M18: 19,449,668 km (0.055 R)
• M19: 24,379,367 km (0.062 R)
• M20: 27,383,741 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 10.1

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.22 AU - 5.06 AU

Year: 6779 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,828,607 km

• M1: 141,071 km (0.05 R)
• M2: 1,403,976 km (0.107 R)
• M3: 1,752,090 km (0.028 R)
• M4: 2,681,093 km (0.102 R)
• M5: 3,793,054 km (0.117 R)
• M6: 6,489,556 km (0.082 R)
• M7: 6,829,143 km (0.116 R)
• M8: 9,292,721 km (0.066 R)
• M9: 9,637,544 km (0.101 R)
• M10: 10,307,144 km (0.112 R)
• M11: 10,770,598 km (0.054 R)
• M12: 11,689,428 km (0.108 R)
• M13: 19,498,736 km (0.061 R)
• M14: 25,834,954 km (0.102 R)
• M15: 30,493,432 km (0.09 R)
• M16: 31,642,942 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.6

Radius: 10.8

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.11 AU - 5.65 AU

Year: 8464 Days

Day: 9.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,828,607 km

• M1: 134,788 km (0.054 R)
• M2: 637,137 km (0.085 R)
• M3: 2,462,231 km (0.089 R)
• M4: 4,132,492 km (0.046 R)
• M5: 6,931,169 km (0.111 R)
• M6: 12,121,467 km (0.106 R)
• M7: 12,741,400 km (0.079 R)
• M8: 13,600,690 km (0.084 R)
• M9: 14,728,658 km (0.107 R)
• M10: 18,486,557 km (0.042 R)
• M11: 20,513,608 km (0.063 R)
• M12: 23,388,430 km (0.094 R)
• M13: 24,675,570 km (0.101 R)
• M14: 26,607,776 km (0.073 R)
• M15: 26,953,796 km (0.094 R)
• M16: 28,911,135 km (0.117 R)
• M17: 31,152,560 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.1

Radius: 5.8

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.64 AU - 11.28 AU

Year: 19735 Days

Day: 15.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,828,607 km

• M1: 72,256 km (0.071 R)
• M2: 296,503 km (0.111 R)
• M3: 535,261 km (0.078 R)
• M4: 834,008 km (0.099 R)
• M5: 1,523,505 km (0.113 R)
• M6: 2,751,105 km (0.032 R)
• M7: 3,115,974 km (0.069 R)
• M8: 3,359,968 km (0.081 R)
• M9: 3,590,498 km (0.052 R)
• M10: 3,970,178 km (0.11 R)
• M11: 4,169,741 km (0.109 R)
• M12: 5,582,394 km (0.106 R)
• M13: 6,091,775 km (0.077 R)
• M14: 8,075,293 km (0.102 R)
• M15: 8,350,104 km (0.085 R)
• M16: 10,079,905 km (0.053 R)
• M17: 11,567,805 km (0.104 R)
• M18: 15,526,913 km (0.108 R)
• M19: 16,826,170 km (0.113 R)
• M20: 19,230,956 km (0.117 R)
• M21: 21,504,245 km (0.084 R)
• M22: 25,094,893 km (0.094 R)
• M23: 25,582,433 km (0.052 R)
• M24: 28,534,896 km (0.079 R)
• M25: 29,280,043 km (0.1 R)
• M26: 38,353,304 km (0.063 R)
• M27: 38,999,866 km (0.106 R)
• M28: 41,795,252 km (0.11 R)
• M29: 48,379,353 km (0.076 R)
• M30: 51,759,218 km (0.102 R)
• M31: 52,707,668 km (0.115 R)
• M32: 53,026,312 km (0.098 R)
• M33: 53,506,670 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 11,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit