🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.4

Radius: 10.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.55 AU - 2.17 AU

Year: 1638 Days

Day: 5.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,726,392 km

• M1: 129,402 km (0.116 R)
• M2: 555,906 km (0.088 R)
• M3: 1,043,296 km (0.102 R)
• M4: 1,394,103 km (0.09 R)
• M5: 1,941,332 km (0.062 R)
• M6: 2,299,319 km (0.072 R)
• M7: 2,973,258 km (0.096 R)
• M8: 3,320,774 km (0.104 R)
• M9: 4,566,924 km (0.074 R)
• M10: 4,974,578 km (0.035 R)
• M11: 5,306,087 km (0.078 R)
• M12: 6,013,984 km (0.077 R)
• M13: 7,046,209 km (0.098 R)
• M14: 7,515,947 km (0.091 R)
• M15: 8,112,543 km (0.115 R)
• M16: 8,768,380 km (0.078 R)
• M17: 10,062,252 km (0.111 R)
• M18: 10,981,980 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 8.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3 AU - 4.22 AU

Year: 4429 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,726,392 km

• M1: 104,120 km (0.087 R)
• M2: 420,220 km (0.054 R)
• M3: 754,871 km (0.045 R)
• M4: 1,194,539 km (0.058 R)
• M5: 1,510,639 km (0.057 R)
• M6: 2,179,491 km (0.063 R)
• M7: 2,547,801 km (0.041 R)
• M8: 2,927,630 km (0.08 R)
• M9: 3,644,653 km (0.117 R)
• M10: 4,165,553 km (0.028 R)
• M11: 5,627,722 km (0.087 R)
• M12: 6,323,801 km (0.068 R)
• M13: 7,487,972 km (0.096 R)
• M14: 8,633,742 km (0.077 R)
• M15: 10,407,673 km (0.104 R)
• M16: 12,411,836 km (0.093 R)
• M17: 13,588,124 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.1

Radius: 12.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3 AU - 4.38 AU

Year: 4577 Days

Day: 6.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,726,392 km

• M1: 150,495 km (0.11 R)
• M2: 544,237 km (0.11 R)
• M3: 1,060,051 km (0.055 R)
• M4: 1,530,237 km (0.046 R)
• M5: 2,113,369 km (0.097 R)
• M6: 3,090,243 km (0.038 R)
• M7: 4,522,792 km (0.031 R)
• M8: 6,163,432 km (0.032 R)
• M9: 10,072,125 km (0.104 R)
• M10: 11,479,991 km (0.086 R)
• M11: 11,948,382 km (0.1 R)
• M12: 14,782,065 km (0.062 R)
• M13: 16,812,557 km (0.119 R)
• M14: 20,228,026 km (0.109 R)
• M15: 20,724,242 km (0.118 R)
• M16: 21,355,994 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 14

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.08 AU - 4.3 AU

Year: 5538 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,726,392 km

• M1: 174,581 km (0.075 R)
• M2: 752,328 km (0.084 R)
• M3: 1,838,408 km (0.086 R)
• M4: 2,280,769 km (0.104 R)
• M5: 3,081,417 km (0.03 R)
• M6: 3,625,355 km (0.099 R)
• M7: 4,183,953 km (0.068 R)
• M8: 5,102,035 km (0.089 R)
• M9: 6,086,988 km (0.086 R)
• M10: 6,709,465 km (0.119 R)
• M11: 8,315,398 km (0.055 R)
• M12: 9,000,257 km (0.093 R)
• M13: 9,549,131 km (0.117 R)
• M14: 10,760,724 km (0.034 R)
• M15: 11,331,141 km (0.118 R)
• M16: 12,378,027 km (0.095 R)
• M17: 13,218,169 km (0.109 R)
• M18: 18,806,248 km (0.101 R)
• M19: 21,664,315 km (0.057 R)
• M20: 24,231,265 km (0.112 R)
• M21: 29,223,944 km (0.038 R)
• M22: 31,093,469 km (0.1 R)
• M23: 31,669,570 km (0.068 R)
• M24: 32,547,111 km (0.073 R)
• M25: 33,041,682 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.9

Radius: 3.9

Gravity: 41.08 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.67 AU - 8.83 AU

Year: 15300 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,726,392 km

• M1: 48,470 km (0.11 R)
• M2: 171,888 km (0.1 R)
• M3: 301,141 km (0.093 R)
• M4: 451,786 km (0.08 R)
• M5: 661,522 km (0.105 R)
• M6: 901,178 km (0.061 R)
• M7: 1,196,334 km (0.051 R)
• M8: 1,584,092 km (0.118 R)
• M9: 1,713,793 km (0.107 R)
• M10: 2,738,539 km (0.071 R)
• M11: 3,595,734 km (0.088 R)
• M12: 4,055,449 km (0.09 R)
• M13: 4,268,326 km (0.101 R)
• M14: 6,411,316 km (0.093 R)
• M15: 8,039,090 km (0.063 R)
• M16: 8,278,297 km (0.1 R)
• M17: 8,473,074 km (0.114 R)
• M18: 8,670,992 km (0.057 R)
• M19: 9,923,276 km (0.116 R)
• M20: 11,291,348 km (0.104 R)
• M21: 12,144,954 km (0.109 R)
• M22: 15,470,813 km (0.037 R)
• M23: 16,292,854 km (0.05 R)
• M24: 16,830,957 km (0.036 R)
• M25: 19,271,347 km (0.064 R)
• M26: 21,023,138 km (0.082 R)
• M27: 25,041,936 km (0.07 R)
• M28: 31,273,584 km (0.038 R)
• M29: 32,103,703 km (0.107 R)
• M30: 32,584,511 km (0.111 R)
• M31: 35,698,839 km (0.116 R)
• M32: 36,867,049 km (0.028 R)
• M33: 37,659,618 km (0.116 R)
• M34: 52,596,367 km (0.086 R)
• M35: 55,992,837 km (0.103 R)
• M36: 59,352,058 km (0.058 R)
• M37: 60,622,892 km (0.06 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 16,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit