🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.3

Radius: 9.2

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.59 AU - 0.97 AU

Year: 467 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,402,942 km

• M1: 115,190 km (0.065 R)
• M2: 436,377 km (0.114 R)
• M3: 735,274 km (0.061 R)
• M4: 1,038,808 km (0.05 R)
• M5: 1,559,558 km (0.111 R)
• M6: 1,938,639 km (0.1 R)
• M7: 2,526,259 km (0.101 R)
• M8: 2,818,723 km (0.119 R)
• M9: 3,264,226 km (0.085 R)
• M10: 3,638,220 km (0.12 R)
• M11: 3,958,060 km (0.068 R)
• M12: 4,458,166 km (0.097 R)
• M13: 5,311,921 km (0.064 R)
• M14: 5,813,523 km (0.096 R)
• M15: 6,196,194 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.1

Radius: 13.5

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.81 AU - 0.99 AU

Year: 579 Days

Day: 7.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,402,942 km

• M1: 167,998 km (0.116 R)
• M2: 587,920 km (0.113 R)
• M3: 1,022,352 km (0.089 R)
• M4: 1,617,901 km (0.07 R)
• M5: 2,067,891 km (0.085 R)
• M6: 2,623,348 km (0.071 R)
• M7: 3,157,413 km (0.116 R)
• M8: 3,592,144 km (0.1 R)
• M9: 4,724,002 km (0.12 R)
• M10: 5,502,958 km (0.107 R)
• M11: 6,250,947 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.2

Radius: 9.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.77 AU - 2.03 AU

Year: 1776 Days

Day: 11.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,402,942 km

• M1: 114,442 km (0.113 R)
• M2: 430,543 km (0.119 R)
• M3: 782,247 km (0.11 R)
• M4: 1,388,268 km (0.103 R)
• M5: 1,754,334 km (0.099 R)
• M6: 2,781,473 km (0.071 R)
• M7: 3,118,816 km (0.083 R)
• M8: 3,894,033 km (0.108 R)
• M9: 4,874,946 km (0.101 R)
• M10: 5,893,408 km (0.118 R)
• M11: 7,372,333 km (0.098 R)
• M12: 7,735,257 km (0.098 R)
• M13: 8,109,850 km (0.063 R)
• M14: 8,436,422 km (0.119 R)
• M15: 9,052,616 km (0.098 R)
• M16: 9,469,096 km (0.027 R)
• M17: 9,798,062 km (0.081 R)
• M18: 11,009,954 km (0.098 R)
• M19: 11,300,623 km (0.051 R)
• M20: 11,973,066 km (0.04 R)
• M21: 12,711,630 km (0.047 R)
• M22: 13,274,866 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.3

Radius: 14.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.84 AU - 2.7 AU

Year: 2320 Days

Day: 8 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,402,942 km

• M1: 181,612 km (0.091 R)
• M2: 656,286 km (0.044 R)
• M3: 1,482,515 km (0.077 R)
• M4: 2,344,797 km (0.065 R)
• M5: 5,279,010 km (0.081 R)
• M6: 6,137,552 km (0.092 R)
• M7: 7,198,799 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.7

Radius: 12.6

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.2 AU - 2.54 AU

Year: 2475 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,402,942 km

• M1: 180,714 km (0.071 R)
• M2: 702,811 km (0.11 R)
• M3: 1,113,756 km (0.107 R)
• M4: 1,753,437 km (0.113 R)
• M5: 2,251,747 km (0.112 R)
• M6: 3,299,830 km (0.079 R)
• M7: 4,226,738 km (0.057 R)
• M8: 4,839,342 km (0.117 R)
• M9: 6,204,721 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489

Radius: 13.5

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.25 AU - 5.11 AU

Year: 5796 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,402,942 km

• M1: 169,046 km (0.107 R)
• M2: 630,555 km (0.1 R)
• M3: 1,129,165 km (0.12 R)
• M4: 1,805,646 km (0.038 R)
• M5: 2,707,721 km (0.086 R)
• M6: 4,142,515 km (0.112 R)
• M7: 5,768,344 km (0.057 R)
• M8: 6,564,355 km (0.026 R)
• M9: 7,822,173 km (0.045 R)
• M10: 10,281,862 km (0.113 R)
• M11: 12,861,976 km (0.115 R)
• M12: 13,687,308 km (0.053 R)
• M13: 15,386,889 km (0.099 R)
• M14: 17,100,383 km (0.102 R)
• M15: 18,938,043 km (0.099 R)
• M16: 19,803,168 km (0.107 R)
• M17: 26,286,141 km (0.031 R)
• M18: 28,814,794 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.7

Radius: 8.4

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.07 AU - 4.29 AU

Year: 5796 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,402,942 km

• M1: 109,057 km (0.066 R)
• M2: 427,401 km (0.052 R)
• M3: 758,012 km (0.108 R)
• M4: 1,270,834 km (0.058 R)
• M5: 1,649,317 km (0.086 R)
• M6: 2,147,029 km (0.084 R)
• M7: 2,431,713 km (0.094 R)
• M8: 2,887,688 km (0.118 R)
• M9: 3,236,101 km (0.116 R)
• M10: 3,655,873 km (0.113 R)
• M11: 4,553,759 km (0.112 R)
• M12: 5,768,943 km (0.101 R)
• M13: 6,103,892 km (0.119 R)
• M14: 8,587,666 km (0.099 R)
• M15: 9,269,832 km (0.032 R)
• M16: 9,944,369 km (0.056 R)
• M17: 10,696,397 km (0.066 R)
• M18: 12,413,482 km (0.093 R)
• M19: 12,921,366 km (0.095 R)
• M20: 15,554,289 km (0.065 R)
• M21: 17,307,426 km (0.109 R)
• M22: 17,749,488 km (0.104 R)
• M23: 18,656,500 km (0.117 R)
• M24: 19,730,314 km (0.088 R)
• M25: 20,562,527 km (0.031 R)
• M26: 21,130,101 km (0.09 R)
• M27: 25,970,938 km (0.08 R)
• M28: 27,650,025 km (0.099 R)
• M29: 29,489,630 km (0.077 R)
• M30: 30,120,634 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.4

Radius: 4

Gravity: 34.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.14 AU - 8.2 AU

Year: 11684 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,402,942 km

• M1: 49,966 km (0.05 R)
• M2: 263,442 km (0.115 R)
• M3: 404,513 km (0.053 R)
• M4: 682,166 km (0.063 R)
• M5: 1,291,179 km (0.117 R)
• M6: 1,855,762 km (0.09 R)
• M7: 2,590,437 km (0.107 R)
• M8: 3,279,933 km (0.1 R)
• M9: 3,526,471 km (0.105 R)
• M10: 5,108,618 km (0.068 R)
• M11: 6,072,028 km (0.089 R)
• M12: 6,519,774 km (0.063 R)
• M13: 7,109,938 km (0.088 R)
• M14: 8,350,852 km (0.106 R)
• M15: 8,532,614 km (0.07 R)
• M16: 13,292,968 km (0.106 R)
• M17: 14,826,944 km (0.1 R)
• M18: 14,959,937 km (0.1 R)
• M19: 15,093,677 km (0.109 R)
• M20: 16,905,457 km (0.115 R)
• M21: 17,269,728 km (0.091 R)
• M22: 17,938,729 km (0.054 R)
• M23: 19,726,274 km (0.119 R)
• M24: 22,406,021 km (0.069 R)
• M25: 22,757,127 km (0.112 R)
• M26: 23,560,617 km (0.083 R)
• M27: 25,129,600 km (0.108 R)
• M28: 25,413,387 km (0.087 R)
• M29: 27,062,853 km (0.099 R)
• M30: 40,391,126 km (0.043 R)
• M31: 42,097,290 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 10,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit