🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.1

Radius: 14.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.61 AU - 0.85 AU

Year: 438 Days

Day: 12.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,793,898 km

• M1: 179,069 km (0.105 R)
• M2: 652,845 km (0.09 R)
• M3: 1,117,945 km (0.082 R)
• M4: 1,875,209 km (0.116 R)
• M5: 2,579,067 km (0.111 R)
• M6: 3,072,142 km (0.109 R)
• M7: 3,783,929 km (0.032 R)
• M8: 4,520,997 km (0.086 R)
• M9: 5,049,527 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.6

Radius: 14.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.75 AU - 1.01 AU

Year: 580 Days

Day: 7.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,793,898 km

• M1: 184,005 km (0.105 R)
• M2: 703,110 km (0.105 R)
• M3: 1,388,119 km (0.039 R)
• M4: 1,882,240 km (0.072 R)
• M5: 2,552,140 km (0.054 R)
• M6: 3,175,514 km (0.059 R)
• M7: 3,798,739 km (0.097 R)
• M8: 5,340,494 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 10.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.9 AU - 1.3 AU

Year: 811 Days

Day: 14 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,793,898 km

• M1: 134,488 km (0.095 R)
• M2: 560,244 km (0.109 R)
• M3: 1,046,437 km (0.117 R)
• M4: 1,488,648 km (0.09 R)
• M5: 1,890,319 km (0.044 R)
• M6: 2,434,257 km (0.036 R)
• M7: 3,212,614 km (0.054 R)
• M8: 3,878,474 km (0.118 R)
• M9: 4,371,998 km (0.104 R)
• M10: 4,890,654 km (0.091 R)
• M11: 5,754,581 km (0.049 R)
• M12: 6,146,528 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.2

Radius: 15

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.37 AU - 2.49 AU

Year: 2663 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 57.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,793,898 km

• M1: 204,500 km (0.112 R)
• M2: 734,526 km (0.095 R)
• M3: 1,642,585 km (0.113 R)
• M4: 2,534,338 km (0.103 R)
• M5: 4,549,570 km (0.117 R)
• M6: 5,078,549 km (0.112 R)
• M7: 6,060,509 km (0.114 R)
• M8: 8,065,120 km (0.102 R)
• M9: 9,235,574 km (0.096 R)
• M10: 9,741,365 km (0.092 R)
• M11: 10,408,571 km (0.098 R)
• M12: 13,430,298 km (0.09 R)
• M13: 15,351,285 km (0.118 R)
• M14: 16,014,751 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.9

Radius: 9.4

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.47 AU - 2.89 AU

Year: 3084 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,793,898 km

• M1: 116,986 km (0.11 R)
• M2: 624,721 km (0.062 R)
• M3: 981,960 km (0.087 R)
• M4: 1,848,880 km (0.075 R)
• M5: 2,752,601 km (0.043 R)
• M6: 3,071,244 km (0.092 R)
• M7: 3,743,388 km (0.077 R)
• M8: 5,353,509 km (0.067 R)
• M9: 6,499,279 km (0.119 R)
• M10: 7,286,164 km (0.067 R)
• M11: 7,900,264 km (0.108 R)
• M12: 9,012,374 km (0.04 R)
• M13: 10,344,543 km (0.11 R)
• M14: 10,912,566 km (0.06 R)
• M15: 11,415,963 km (0.029 R)
• M16: 11,890,936 km (0.117 R)
• M17: 13,729,943 km (0.102 R)
• M18: 14,217,782 km (0.061 R)
• M19: 14,767,703 km (0.097 R)
• M20: 21,592,059 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.3

Radius: 8.5

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.53 AU - 4.01 AU

Year: 4157 Days

Day: 14.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,793,898 km

• M1: 106,214 km (0.075 R)
• M2: 394,190 km (0.063 R)
• M3: 672,143 km (0.069 R)
• M4: 1,021,305 km (0.074 R)
• M5: 1,287,290 km (0.086 R)
• M6: 1,566,888 km (0.076 R)
• M7: 3,288,012 km (0.04 R)
• M8: 3,635,527 km (0.092 R)
• M9: 4,093,596 km (0.093 R)
• M10: 5,125,223 km (0.072 R)
• M11: 5,977,931 km (0.087 R)
• M12: 6,350,280 km (0.108 R)
• M13: 7,593,738 km (0.106 R)
• M14: 8,627,608 km (0.1 R)
• M15: 9,178,428 km (0.034 R)
• M16: 9,481,663 km (0.118 R)
• M17: 11,884,504 km (0.057 R)
• M18: 12,799,594 km (0.098 R)
• M19: 15,664,842 km (0.039 R)
• M20: 17,913,747 km (0.052 R)
• M21: 23,180,938 km (0.102 R)
• M22: 23,461,584 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.7

Radius: 9.1

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.93 AU - 3.95 AU

Year: 4485 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,793,898 km

• M1: 113,395 km (0.104 R)
• M2: 401,820 km (0.108 R)
• M3: 765,792 km (0.097 R)
• M4: 1,078,601 km (0.026 R)
• M5: 1,393,055 km (0.1 R)
• M6: 1,948,662 km (0.119 R)
• M7: 2,900,404 km (0.12 R)
• M8: 3,400,958 km (0.042 R)
• M9: 3,703,295 km (0.093 R)
• M10: 4,527,131 km (0.09 R)
• M11: 5,495,478 km (0.059 R)
• M12: 7,329,697 km (0.077 R)
• M13: 8,734,272 km (0.089 R)
• M14: 9,304,539 km (0.084 R)
• M15: 9,618,844 km (0.096 R)
• M16: 10,103,391 km (0.095 R)
• M17: 14,956,945 km (0.08 R)
• M18: 15,607,695 km (0.091 R)
• M19: 16,734,167 km (0.119 R)
• M20: 17,554,263 km (0.117 R)
• M21: 18,959,436 km (0.076 R)
• M22: 21,992,383 km (0.096 R)
• M23: 22,692,052 km (0.031 R)
• M24: 22,976,139 km (0.116 R)
• M25: 23,769,456 km (0.104 R)
• M26: 24,357,675 km (0.086 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: 459 - 19,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit