🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.7

Radius: 9.5

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.48 AU - 1.86 AU

Year: 1372 Days

Day: 11.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,434,452 km

• M1: 118,182 km (0.062 R)
• M2: 494,122 km (0.027 R)
• M3: 841,787 km (0.093 R)
• M4: 1,874,461 km (0.09 R)
• M5: 2,438,595 km (0.063 R)
• M6: 2,748,711 km (0.059 R)
• M7: 3,362,661 km (0.091 R)
• M8: 4,017,002 km (0.081 R)
• M9: 4,315,001 km (0.112 R)
• M10: 5,260,759 km (0.113 R)
• M11: 6,207,264 km (0.055 R)
• M12: 6,767,209 km (0.056 R)
• M13: 7,532,851 km (0.119 R)
• M14: 7,859,872 km (0.102 R)
• M15: 8,435,076 km (0.102 R)
• M16: 9,321,593 km (0.111 R)
• M17: 10,086,487 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.5

Radius: 14

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.67 AU - 2.69 AU

Year: 2047 Days

Day: 14.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,434,452 km

• M1: 174,132 km (0.079 R)
• M2: 674,986 km (0.074 R)
• M3: 1,361,490 km (0.115 R)
• M4: 2,047,696 km (0.113 R)
• M5: 2,718,343 km (0.115 R)
• M6: 3,567,610 km (0.108 R)
• M7: 4,084,022 km (0.09 R)
• M8: 5,744,259 km (0.088 R)
• M9: 8,155,478 km (0.11 R)
• M10: 11,726,229 km (0.08 R)
• M11: 13,523,049 km (0.045 R)
• M12: 14,556,322 km (0.081 R)
• M13: 15,738,594 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.8

Radius: 10.3

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.15 AU - 2.23 AU

Year: 2061 Days

Day: 12.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,434,452 km

• M1: 138,228 km (0.099 R)
• M2: 772,224 km (0.11 R)
• M3: 1,637,199 km (0.032 R)
• M4: 2,282,714 km (0.091 R)
• M5: 3,186,883 km (0.102 R)
• M6: 4,209,534 km (0.087 R)
• M7: 5,616,203 km (0.083 R)
• M8: 6,666,530 km (0.082 R)
• M9: 7,249,214 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.8

Radius: 11.5

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.13 AU - 3.19 AU

Year: 2758 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,434,452 km

• M1: 143,614 km (0.081 R)
• M2: 557,551 km (0.057 R)
• M3: 936,632 km (0.085 R)
• M4: 1,320,949 km (0.081 R)
• M5: 1,766,452 km (0.111 R)
• M6: 2,528,054 km (0.106 R)
• M7: 2,885,893 km (0.079 R)
• M8: 3,422,799 km (0.104 R)
• M9: 3,923,503 km (0.064 R)
• M10: 5,145,718 km (0.118 R)
• M11: 5,700,128 km (0.093 R)
• M12: 7,170,076 km (0.085 R)
• M13: 8,703,754 km (0.115 R)
• M14: 9,492,434 km (0.111 R)
• M15: 9,904,277 km (0.074 R)
• M16: 11,212,061 km (0.111 R)
• M17: 14,023,304 km (0.084 R)
• M18: 15,412,021 km (0.106 R)
• M19: 15,773,151 km (0.072 R)
• M20: 21,313,657 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 10.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.81 AU - 3.03 AU

Year: 3173 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,434,452 km

• M1: 133,142 km (0.102 R)
• M2: 553,512 km (0.118 R)
• M3: 1,310,029 km (0.106 R)
• M4: 1,918,293 km (0.097 R)
• M5: 2,255,337 km (0.095 R)
• M6: 2,797,929 km (0.055 R)
• M7: 3,533,203 km (0.12 R)
• M8: 4,288,373 km (0.081 R)
• M9: 4,737,914 km (0.112 R)
• M10: 7,177,407 km (0.069 R)
• M11: 7,781,782 km (0.074 R)
• M12: 8,289,517 km (0.088 R)
• M13: 9,371,110 km (0.041 R)
• M14: 10,093,518 km (0.076 R)
• M15: 11,895,723 km (0.116 R)
• M16: 13,720,219 km (0.102 R)
• M17: 15,328,247 km (0.047 R)
• M18: 17,645,069 km (0.119 R)
• M19: 18,633,911 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.1

Radius: 15

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.87 AU - 3.21 AU

Year: 3370 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,434,452 km

• M1: 186,549 km (0.061 R)
• M2: 743,053 km (0.064 R)
• M3: 1,218,026 km (0.072 R)
• M4: 1,697,337 km (0.101 R)
• M5: 2,356,765 km (0.09 R)
• M6: 3,090,542 km (0.074 R)
• M7: 3,738,002 km (0.086 R)
• M8: 5,173,394 km (0.073 R)
• M9: 6,041,959 km (0.062 R)
• M10: 7,860,919 km (0.057 R)
• M11: 9,010,429 km (0.101 R)
• M12: 10,556,224 km (0.101 R)
• M13: 11,071,439 km (0.092 R)
• M14: 12,967,443 km (0.08 R)
• M15: 14,302,005 km (0.057 R)
• M16: 15,490,411 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530

Radius: 8.8

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.35 AU - 6.53 AU

Year: 8067 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,434,452 km

• M1: 109,506 km (0.063 R)
• M2: 655,089 km (0.101 R)
• M3: 1,958,535 km (0.103 R)
• M4: 2,506,662 km (0.081 R)
• M5: 3,090,692 km (0.036 R)
• M6: 3,738,750 km (0.043 R)
• M7: 4,977,570 km (0.059 R)
• M8: 10,312,828 km (0.061 R)
• M9: 14,720,131 km (0.108 R)
• M10: 15,706,280 km (0.114 R)
• M11: 20,998,604 km (0.104 R)
• M12: 22,167,412 km (0.079 R)
• M13: 23,379,155 km (0.114 R)
• M14: 30,302,096 km (0.035 R)
• M15: 34,492,781 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444

Radius: 6.2

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.16 AU - 9.92 AU

Year: 15868 Days

Day: 20.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,434,452 km

• M1: 78,090 km (0.077 R)
• M2: 307,872 km (0.048 R)
• M3: 527,931 km (0.109 R)
• M4: 1,211,294 km (0.11 R)
• M5: 1,629,420 km (0.045 R)
• M6: 1,872,367 km (0.048 R)
• M7: 2,065,797 km (0.089 R)
• M8: 2,452,208 km (0.107 R)
• M9: 2,817,526 km (0.09 R)
• M10: 3,096,826 km (0.115 R)
• M11: 3,343,662 km (0.045 R)
• M12: 3,765,678 km (0.027 R)
• M13: 4,134,287 km (0.118 R)
• M14: 4,845,176 km (0.093 R)
• M15: 5,144,521 km (0.063 R)
• M16: 5,928,264 km (0.115 R)
• M17: 6,427,323 km (0.087 R)
• M18: 9,351,662 km (0.099 R)
• M19: 11,592,937 km (0.087 R)
• M20: 12,128,947 km (0.068 R)
• M21: 12,681,411 km (0.065 R)
• M22: 23,193,355 km (0.082 R)
• M23: 24,331,495 km (0.111 R)
• M24: 25,606,069 km (0.119 R)
• M25: 27,653,017 km (0.104 R)
• M26: 33,480,303 km (0.093 R)
• M27: 33,719,510 km (0.097 R)
• M28: 39,540,064 km (0.103 R)
• M29: 40,888,389 km (0.104 R)
• M30: 41,850,154 km (0.097 R)
• M31: 42,967,800 km (0.098 R)
• M32: 46,143,613 km (0.06 R)
• M33: 51,672,152 km (0.11 R)
• M34: 53,282,722 km (0.092 R)
• M35: 54,100,424 km (0.12 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: 424 - 10,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit