🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 10

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.76 AU - 1.12 AU

Year: 618 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,504,742 km

• M1: 124,316 km (0.062 R)
• M2: 437,125 km (0.07 R)
• M3: 1,207,255 km (0.109 R)
• M4: 1,640,341 km (0.102 R)
• M5: 1,958,835 km (0.094 R)
• M6: 2,290,044 km (0.045 R)
• M7: 2,626,639 km (0.064 R)
• M8: 2,984,627 km (0.103 R)
• M9: 3,465,135 km (0.073 R)
• M10: 4,126,956 km (0.08 R)
• M11: 5,647,020 km (0.096 R)
• M12: 5,979,876 km (0.056 R)
• M13: 6,306,149 km (0.067 R)
• M14: 6,787,106 km (0.089 R)
• M15: 7,227,821 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.4

Radius: 12.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.95 AU - 1.03 AU

Year: 668 Days

Day: 12.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,504,742 km

• M1: 155,432 km (0.056 R)
• M2: 561,142 km (0.106 R)
• M3: 1,122,582 km (0.1 R)
• M4: 1,582,297 km (0.103 R)
• M5: 2,024,658 km (0.1 R)
• M6: 2,448,020 km (0.059 R)
• M7: 2,988,367 km (0.092 R)
• M8: 3,425,941 km (0.103 R)
• M9: 3,948,486 km (0.102 R)
• M10: 4,386,359 km (0.083 R)
• M11: 5,004,198 km (0.038 R)
• M12: 5,806,941 km (0.107 R)
• M13: 6,414,607 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.8

Radius: 13.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.09 AU - 1.43 AU

Year: 959 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,504,742 km

• M1: 166,054 km (0.091 R)
• M2: 588,518 km (0.108 R)
• M3: 1,052,421 km (0.041 R)
• M4: 1,518,418 km (0.103 R)
• M5: 2,551,092 km (0.055 R)
• M6: 3,021,877 km (0.045 R)
• M7: 3,550,855 km (0.032 R)
• M8: 4,243,194 km (0.053 R)
• M9: 4,985,648 km (0.059 R)
• M10: 5,749,645 km (0.079 R)
• M11: 7,461,044 km (0.045 R)
• M12: 8,379,575 km (0.115 R)
• M13: 9,550,029 km (0.083 R)
• M14: 10,004,507 km (0.062 R)
• M15: 11,055,582 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.4

Radius: 14

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.35 AU - 2.01 AU

Year: 1477 Days

Day: 5 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,504,742 km

• M1: 175,179 km (0.103 R)
• M2: 689,197 km (0.074 R)
• M3: 1,302,549 km (0.097 R)
• M4: 1,743,264 km (0.112 R)
• M5: 2,286,005 km (0.119 R)
• M6: 2,885,593 km (0.102 R)
• M7: 3,493,260 km (0.055 R)
• M8: 4,008,625 km (0.109 R)
• M9: 5,111,011 km (0.033 R)
• M10: 5,891,314 km (0.076 R)
• M11: 6,675,356 km (0.026 R)
• M12: 7,367,695 km (0.068 R)
• M13: 8,687,148 km (0.03 R)
• M14: 9,481,812 km (0.052 R)
• M15: 10,191,804 km (0.115 R)
• M16: 11,609,393 km (0.025 R)
• M17: 12,085,264 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.7

Radius: 13.3

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.74 AU - 3.06 AU

Year: 3350 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,504,742 km

• M1: 165,455 km (0.075 R)
• M2: 641,476 km (0.091 R)
• M3: 1,321,847 km (0.059 R)
• M4: 2,212,852 km (0.098 R)
• M5: 2,956,952 km (0.119 R)
• M6: 3,664,250 km (0.112 R)
• M7: 4,164,206 km (0.095 R)
• M8: 7,975,661 km (0.105 R)
• M9: 8,406,652 km (0.112 R)
• M10: 10,110,273 km (0.118 R)
• M11: 12,851,205 km (0.064 R)
• M12: 13,316,305 km (0.111 R)
• M13: 16,893,938 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.4

Radius: 3.7

Gravity: 30.42 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.05 AU - 10.35 AU

Year: 20490 Days

Day: 20.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,504,742 km

• M1: 46,675 km (0.097 R)
• M2: 173,833 km (0.073 R)
• M3: 561,890 km (0.088 R)
• M4: 714,928 km (0.072 R)
• M5: 906,413 km (0.072 R)
• M6: 1,377,796 km (0.052 R)
• M7: 1,958,535 km (0.079 R)
• M8: 3,553,398 km (0.111 R)
• M9: 3,752,513 km (0.108 R)
• M10: 4,590,560 km (0.107 R)
• M11: 4,965,303 km (0.08 R)
• M12: 5,323,440 km (0.115 R)
• M13: 6,010,992 km (0.053 R)
• M14: 7,937,364 km (0.056 R)
• M15: 8,729,185 km (0.093 R)
• M16: 11,236,446 km (0.093 R)
• M17: 14,185,169 km (0.05 R)
• M18: 14,613,468 km (0.111 R)
• M19: 18,022,654 km (0.111 R)
• M20: 19,733,605 km (0.116 R)
• M21: 21,177,972 km (0.116 R)
• M22: 25,720,512 km (0.105 R)
• M23: 26,571,424 km (0.094 R)
• M24: 26,787,144 km (0.104 R)
• M25: 27,661,394 km (0.117 R)
• M26: 35,351,323 km (0.095 R)
• M27: 36,402,547 km (0.09 R)
• M28: 37,881,771 km (0.051 R)
• M29: 38,567,229 km (0.083 R)
• M30: 39,821,756 km (0.12 R)
• M31: 46,660,623 km (0.098 R)
• M32: 48,404,485 km (0.075 R)
• M33: 52,190,359 km (0.082 R)
• M34: 58,686,646 km (0.103 R)
• M35: 63,753,227 km (0.095 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 15,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit