🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.7

Radius: 14.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.48 AU - 0.74 AU

Year: 318 Days

Day: 12.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,868,573 km

• M1: 185,501 km (0.101 R)
• M2: 685,906 km (0.06 R)
• M3: 1,160,580 km (0.093 R)
• M4: 1,643,781 km (0.118 R)
• M5: 2,121,148 km (0.054 R)
• M6: 2,692,612 km (0.1 R)
• M7: 3,164,593 km (0.097 R)
• M8: 3,762,536 km (0.105 R)
• M9: 4,253,666 km (0.077 R)
• M10: 4,746,142 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.8

Radius: 12

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.55 AU - 0.69 AU

Year: 326 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,868,573 km

• M1: 149,299 km (0.084 R)
• M2: 539,600 km (0.079 R)
• M3: 923,168 km (0.043 R)
• M4: 1,374,356 km (0.119 R)
• M5: 1,791,135 km (0.07 R)
• M6: 2,352,726 km (0.084 R)
• M7: 2,800,023 km (0.071 R)
• M8: 3,228,621 km (0.12 R)
• M9: 4,003,837 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 13.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.88 AU - 1.14 AU

Year: 677 Days

Day: 9.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,868,573 km

• M1: 167,400 km (0.12 R)
• M2: 616,642 km (0.097 R)
• M3: 1,096,104 km (0.115 R)
• M4: 1,724,115 km (0.031 R)
• M5: 2,363,946 km (0.098 R)
• M6: 3,125,997 km (0.083 R)
• M7: 3,631,638 km (0.106 R)
• M8: 4,085,817 km (0.112 R)
• M9: 4,736,269 km (0.084 R)
• M10: 5,202,416 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311

Radius: 12.2

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.55 AU - 4.79 AU

Year: 6730 Days

Day: 9 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,868,573 km

• M1: 173,683 km (0.047 R)
• M2: 635,043 km (0.091 R)
• M3: 1,520,064 km (0.053 R)
• M4: 3,627,150 km (0.119 R)
• M5: 4,341,181 km (0.104 R)
• M6: 4,962,311 km (0.075 R)
• M7: 8,059,436 km (0.115 R)
• M8: 10,223,369 km (0.101 R)
• M9: 12,602,274 km (0.091 R)
• M10: 13,505,696 km (0.115 R)
• M11: 13,973,189 km (0.117 R)
• M12: 14,831,282 km (0.028 R)
• M13: 17,740,063 km (0.051 R)
• M14: 20,461,398 km (0.119 R)
• M15: 21,638,135 km (0.092 R)
• M16: 23,748,812 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.4

Radius: 11.5

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.55 AU - 5.29 AU

Year: 7277 Days

Day: 5.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,868,573 km

• M1: 143,016 km (0.067 R)
• M2: 563,386 km (0.068 R)
• M3: 950,395 km (0.103 R)
• M4: 1,629,270 km (0.067 R)
• M5: 1,998,029 km (0.115 R)
• M6: 2,423,336 km (0.117 R)
• M7: 3,276,044 km (0.111 R)
• M8: 4,183,804 km (0.081 R)
• M9: 5,345,880 km (0.103 R)
• M10: 6,565,701 km (0.105 R)
• M11: 8,512,717 km (0.103 R)
• M12: 11,075,030 km (0.113 R)
• M13: 13,750,587 km (0.075 R)
• M14: 16,288,067 km (0.116 R)
• M15: 17,880,835 km (0.083 R)
• M16: 18,604,739 km (0.082 R)
• M17: 22,024,098 km (0.116 R)
• M18: 24,143,002 km (0.049 R)
• M19: 25,659,326 km (0.07 R)
• M20: 26,117,095 km (0.119 R)
• M21: 26,767,248 km (0.098 R)
• M22: 33,004,881 km (0.091 R)
• M23: 34,094,252 km (0.112 R)
• M24: 34,759,215 km (0.05 R)
• M25: 38,932,098 km (0.032 R)
• M26: 39,536,922 km (0.114 R)
• M27: 40,889,586 km (0.109 R)
• M28: 41,892,490 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.3

Radius: 10.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.23 AU - 5.99 AU

Year: 7703 Days

Day: 8.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,868,573 km

• M1: 143,315 km (0.088 R)
• M2: 502,948 km (0.046 R)
• M3: 900,579 km (0.079 R)
• M4: 1,911,861 km (0.108 R)
• M5: 2,485,718 km (0.086 R)
• M6: 3,741,443 km (0.092 R)
• M7: 4,150,294 km (0.08 R)
• M8: 5,744,259 km (0.032 R)
• M9: 8,953,283 km (0.116 R)
• M10: 15,571,044 km (0.067 R)
• M11: 17,543,941 km (0.092 R)
• M12: 25,377,484 km (0.077 R)
• M13: 28,281,029 km (0.099 R)
• M14: 34,530,629 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.5

Radius: 6.4

Gravity: 18.52 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.09 AU - 8.31 AU

Year: 15659 Days

Day: 17.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,868,573 km

• M1: 80,184 km (0.104 R)
• M2: 309,518 km (0.081 R)
• M3: 582,534 km (0.084 R)
• M4: 820,245 km (0.077 R)
• M5: 1,187,059 km (0.06 R)
• M6: 1,408,913 km (0.06 R)
• M7: 2,288,698 km (0.055 R)
• M8: 2,751,254 km (0.081 R)
• M9: 3,221,740 km (0.07 R)
• M10: 4,227,187 km (0.099 R)
• M11: 4,549,271 km (0.101 R)
• M12: 5,315,960 km (0.077 R)
• M13: 7,841,472 km (0.102 R)
• M14: 8,278,896 km (0.081 R)
• M15: 8,991,430 km (0.108 R)
• M16: 10,192,701 km (0.045 R)
• M17: 11,871,788 km (0.108 R)
• M18: 15,615,325 km (0.065 R)
• M19: 16,621,371 km (0.119 R)
• M20: 18,001,561 km (0.117 R)
• M21: 19,107,089 km (0.044 R)
• M22: 19,456,250 km (0.109 R)
• M23: 19,809,600 km (0.042 R)
• M24: 20,803,529 km (0.107 R)
• M25: 22,404,226 km (0.034 R)
• M26: 32,264,521 km (0.038 R)
• M27: 37,446,441 km (0.103 R)
• M28: 46,689,196 km (0.068 R)
• M29: 47,481,915 km (0.11 R)
• M30: 56,981,829 km (0.092 R)
• M31: 57,705,284 km (0.083 R)
• M32: 58,069,106 km (0.082 R)
• M33: 61,036,081 km (0.069 R)
• M34: 62,365,258 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 15,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit