🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.52 AU - 0.64 AU

Year: 281 Days

Day: 44.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.6

Radius: 9.7

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.3 AU - 1.5 AU

Year: 1053 Days

Day: 8.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,672,570 km

• M1: 120,725 km (0.108 R)
• M2: 473,776 km (0.086 R)
• M3: 781,649 km (0.09 R)
• M4: 1,294,321 km (0.06 R)
• M5: 1,884,784 km (0.077 R)
• M6: 2,401,794 km (0.047 R)
• M7: 3,644,503 km (0.096 R)
• M8: 5,408,861 km (0.115 R)
• M9: 6,345,044 km (0.082 R)
• M10: 6,933,113 km (0.063 R)
• M11: 7,706,385 km (0.042 R)
• M12: 8,088,158 km (0.03 R)
• M13: 9,424,217 km (0.117 R)
• M14: 10,009,743 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 8.5

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.33 AU - 1.69 AU

Year: 1180 Days

Day: 7 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,672,570 km

• M1: 105,766 km (0.056 R)
• M2: 491,279 km (0.106 R)
• M3: 757,414 km (0.092 R)
• M4: 1,063,192 km (0.107 R)
• M5: 1,452,296 km (0.12 R)
• M6: 1,986,361 km (0.085 R)
• M7: 2,270,746 km (0.059 R)
• M8: 3,005,421 km (0.074 R)
• M9: 3,428,035 km (0.085 R)
• M10: 3,990,523 km (0.091 R)
• M11: 4,650,549 km (0.095 R)
• M12: 4,938,076 km (0.066 R)
• M13: 5,381,484 km (0.081 R)
• M14: 6,118,703 km (0.115 R)
• M15: 7,070,145 km (0.114 R)
• M16: 7,581,470 km (0.092 R)
• M17: 8,254,960 km (0.081 R)
• M18: 11,216,100 km (0.115 R)
• M19: 11,982,789 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.7

Radius: 9.3

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.62 AU - 1.68 AU

Year: 1348 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,672,570 km

• M1: 116,088 km (0.066 R)
• M2: 593,604 km (0.118 R)
• M3: 1,212,790 km (0.094 R)
• M4: 1,656,348 km (0.108 R)
• M5: 2,057,868 km (0.069 R)
• M6: 3,132,280 km (0.067 R)
• M7: 3,667,093 km (0.097 R)
• M8: 4,505,589 km (0.094 R)
• M9: 4,899,181 km (0.093 R)
• M10: 5,294,119 km (0.094 R)
• M11: 5,800,508 km (0.066 R)
• M12: 9,324,585 km (0.115 R)
• M13: 11,157,009 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.9

Radius: 11.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2 AU - 2.14 AU

Year: 1894 Days

Day: 9.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,672,570 km

• M1: 149,448 km (0.103 R)
• M2: 529,427 km (0.097 R)
• M3: 926,609 km (0.048 R)
• M4: 1,474,736 km (0.092 R)
• M5: 1,948,213 km (0.07 R)
• M6: 2,534,786 km (0.109 R)
• M7: 3,265,422 km (0.096 R)
• M8: 3,881,317 km (0.096 R)
• M9: 4,891,701 km (0.115 R)
• M10: 6,226,563 km (0.082 R)
• M11: 7,176,210 km (0.063 R)
• M12: 8,357,135 km (0.107 R)
• M13: 9,421,823 km (0.118 R)
• M14: 11,001,427 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.8

Radius: 14.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.23 AU - 2.51 AU

Year: 2320 Days

Day: 9.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,672,570 km

• M1: 180,415 km (0.105 R)
• M2: 680,371 km (0.086 R)
• M3: 1,227,002 km (0.105 R)
• M4: 1,766,751 km (0.051 R)
• M5: 2,415,557 km (0.109 R)
• M6: 3,175,065 km (0.049 R)
• M7: 3,721,397 km (0.079 R)
• M8: 4,699,019 km (0.109 R)
• M9: 5,818,759 km (0.087 R)
• M10: 6,367,933 km (0.09 R)
• M11: 7,004,023 km (0.117 R)
• M12: 7,654,325 km (0.109 R)
• M13: 9,202,363 km (0.032 R)
• M14: 9,685,565 km (0.092 R)
• M15: 10,151,861 km (0.059 R)
• M16: 10,879,505 km (0.068 R)
• M17: 13,313,612 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.8

Radius: 12

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.17 AU - 4.65 AU

Year: 4916 Days

Day: 5.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,672,570 km

• M1: 149,299 km (0.1 R)
• M2: 635,641 km (0.083 R)
• M3: 1,362,388 km (0.113 R)
• M4: 2,193,254 km (0.112 R)
• M5: 3,036,837 km (0.062 R)
• M6: 5,071,368 km (0.101 R)
• M7: 5,524,201 km (0.05 R)
• M8: 6,150,417 km (0.035 R)
• M9: 10,690,114 km (0.079 R)
• M10: 12,313,850 km (0.089 R)
• M11: 14,304,399 km (0.103 R)
• M12: 19,040,368 km (0.118 R)
• M13: 19,616,769 km (0.106 R)
• M14: 21,553,164 km (0.032 R)
• M15: 24,503,982 km (0.103 R)
• M16: 25,262,742 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.2

Radius: 6

Gravity: 22.89 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.12 AU - 9.56 AU

Year: 13957 Days

Day: 18.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,672,570 km

• M1: 74,649 km (0.118 R)
• M2: 302,337 km (0.073 R)
• M3: 503,995 km (0.101 R)
• M4: 742,604 km (0.105 R)
• M5: 1,092,364 km (0.109 R)
• M6: 1,382,883 km (0.093 R)
• M7: 2,024,807 km (0.118 R)
• M8: 2,708,918 km (0.108 R)
• M9: 4,024,033 km (0.093 R)
• M10: 4,686,153 km (0.113 R)
• M11: 5,492,187 km (0.028 R)
• M12: 6,305,401 km (0.108 R)
• M13: 7,020,478 km (0.081 R)
• M14: 7,741,540 km (0.092 R)
• M15: 9,922,976 km (0.081 R)
• M16: 10,598,112 km (0.082 R)
• M17: 12,938,121 km (0.104 R)
• M18: 13,538,906 km (0.114 R)
• M19: 14,158,092 km (0.072 R)
• M20: 16,746,434 km (0.085 R)
• M21: 17,299,498 km (0.101 R)
• M22: 18,110,617 km (0.092 R)
• M23: 22,076,158 km (0.045 R)
• M24: 27,445,225 km (0.076 R)
• M25: 28,435,713 km (0.116 R)
• M26: 31,312,031 km (0.094 R)
• M27: 35,785,905 km (0.113 R)
• M28: 36,967,429 km (0.092 R)
• M29: 44,909,131 km (0.105 R)
• M30: 45,364,058 km (0.076 R)
• M31: 46,747,240 km (0.085 R)
• M32: 48,954,407 km (0.066 R)
• M33: 56,518,076 km (0.111 R)
• M34: 63,672,594 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 11,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit