🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.87 AU - 1.95 AU

Year: 1215 Days

Day: 44.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.8

Radius: 14.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.35 AU - 2.97 AU

Year: 1996 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,879,660 km

• M1: 177,423 km (0.086 R)
• M2: 694,433 km (0.095 R)
• M3: 1,264,102 km (0.108 R)
• M4: 1,792,033 km (0.109 R)
• M5: 2,467,916 km (0.088 R)
• M6: 3,353,386 km (0.105 R)
• M7: 3,903,008 km (0.074 R)
• M8: 5,204,809 km (0.078 R)
• M9: 5,691,152 km (0.08 R)
• M10: 6,993,551 km (0.08 R)
• M11: 8,377,032 km (0.07 R)
• M12: 9,308,279 km (0.071 R)
• M13: 9,814,368 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.4

Radius: 9.2

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.65 AU - 3.69 AU

Year: 3235 Days

Day: 11 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,879,660 km

• M1: 114,592 km (0.066 R)
• M2: 500,255 km (0.055 R)
• M3: 1,355,207 km (0.119 R)
• M4: 2,010,147 km (0.078 R)
• M5: 2,319,964 km (0.099 R)
• M6: 2,879,759 km (0.084 R)
• M7: 3,448,381 km (0.099 R)
• M8: 3,895,977 km (0.09 R)
• M9: 4,568,420 km (0.074 R)
• M10: 4,957,673 km (0.091 R)
• M11: 5,999,922 km (0.091 R)
• M12: 6,318,715 km (0.114 R)
• M13: 6,648,877 km (0.098 R)
• M14: 7,311,297 km (0.105 R)
• M15: 7,608,398 km (0.1 R)
• M16: 7,982,542 km (0.118 R)
• M17: 8,548,471 km (0.089 R)
• M18: 9,447,405 km (0.108 R)
• M19: 11,170,323 km (0.077 R)
• M20: 12,522,688 km (0.09 R)
• M21: 13,093,105 km (0.062 R)
• M22: 14,855,966 km (0.075 R)
• M23: 15,441,343 km (0.089 R)
• M24: 16,886,009 km (0.044 R)
• M25: 17,173,836 km (0.114 R)
• M26: 17,700,270 km (0.102 R)
• M27: 21,087,316 km (0.094 R)
• M28: 22,932,755 km (0.072 R)
• M29: 23,428,373 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.6

Radius: 11.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.91 AU - 6.01 AU

Year: 5083 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 75.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,879,660 km

• M1: 141,220 km (0.095 R)
• M2: 979,417 km (0.047 R)
• M3: 1,480,271 km (0.087 R)
• M4: 2,735,098 km (0.117 R)
• M5: 3,202,890 km (0.117 R)
• M6: 3,790,062 km (0.068 R)
• M7: 4,157,026 km (0.089 R)
• M8: 4,623,921 km (0.052 R)
• M9: 6,621,202 km (0.039 R)
• M10: 8,389,748 km (0.109 R)
• M11: 9,383,377 km (0.1 R)
• M12: 10,858,561 km (0.091 R)
• M13: 12,037,841 km (0.117 R)
• M14: 12,785,382 km (0.049 R)
• M15: 15,386,590 km (0.053 R)
• M16: 16,267,123 km (0.115 R)
• M17: 16,995,515 km (0.103 R)
• M18: 19,044,108 km (0.072 R)
• M19: 19,921,649 km (0.066 R)
• M20: 21,038,547 km (0.096 R)
• M21: 22,566,988 km (0.112 R)
• M22: 24,246,374 km (0.07 R)
• M23: 28,370,638 km (0.091 R)
• M24: 30,053,315 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833

Radius: 10.7

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.64 AU - 5.4 AU

Year: 5176 Days

Day: 12.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,879,660 km

• M1: 133,142 km (0.106 R)
• M2: 532,718 km (0.093 R)
• M3: 1,102,237 km (0.113 R)
• M4: 1,756,728 km (0.073 R)
• M5: 2,497,836 km (0.086 R)
• M6: 4,490,479 km (0.09 R)
• M7: 5,392,106 km (0.106 R)
• M8: 7,736,603 km (0.099 R)
• M9: 13,715,582 km (0.063 R)
• M10: 17,784,644 km (0.092 R)
• M11: 18,244,508 km (0.109 R)
• M12: 22,594,664 km (0.104 R)
• M13: 27,942,189 km (0.099 R)
• M14: 32,784,673 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.4

Radius: 13.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.89 AU - 7.47 AU

Year: 7070 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,879,660 km

• M1: 169,494 km (0.091 R)
• M2: 867,219 km (0.028 R)
• M3: 1,389,615 km (0.043 R)
• M4: 2,173,208 km (0.119 R)
• M5: 3,370,440 km (0.108 R)
• M6: 3,822,525 km (0.114 R)
• M7: 5,119,538 km (0.106 R)
• M8: 5,786,595 km (0.066 R)
• M9: 6,839,465 km (0.088 R)
• M10: 7,569,951 km (0.088 R)
• M11: 8,352,049 km (0.051 R)
• M12: 9,837,855 km (0.089 R)
• M13: 10,272,138 km (0.106 R)
• M14: 11,127,688 km (0.052 R)
• M15: 14,223,616 km (0.1 R)
• M16: 17,500,557 km (0.085 R)
• M17: 19,465,077 km (0.112 R)
• M18: 21,411,345 km (0.116 R)
• M19: 22,975,091 km (0.07 R)
• M20: 23,828,098 km (0.119 R)
• M21: 26,329,076 km (0.101 R)
• M22: 28,026,563 km (0.108 R)
• M23: 29,695,626 km (0.062 R)
• M24: 32,587,652 km (0.067 R)
• M25: 35,436,893 km (0.112 R)
• M26: 37,738,756 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.4

Radius: 15

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.62 AU - 7 AU

Year: 7294 Days

Day: 7.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,879,660 km

• M1: 188,793 km (0.118 R)
• M2: 768,185 km (0.05 R)
• M3: 1,588,281 km (0.074 R)
• M4: 2,843,556 km (0.062 R)
• M5: 3,599,474 km (0.12 R)
• M6: 4,660,871 km (0.119 R)
• M7: 6,827,946 km (0.062 R)
• M8: 8,994,572 km (0.099 R)
• M9: 9,477,773 km (0.045 R)
• M10: 10,149,168 km (0.076 R)
• M11: 10,673,509 km (0.103 R)
• M12: 12,602,873 km (0.09 R)
• M13: 13,676,836 km (0.11 R)
• M14: 16,598,632 km (0.118 R)
• M15: 17,266,287 km (0.098 R)
• M16: 19,113,073 km (0.079 R)
• M17: 20,877,729 km (0.092 R)
• M18: 24,729,725 km (0.118 R)
• M19: 28,425,989 km (0.118 R)
• M20: 29,470,781 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150

Radius: 7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.45 AU - 10.97 AU

Year: 15013 Days

Day: 21.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,879,660 km

• M1: 96,491 km (0.097 R)
• M2: 326,273 km (0.073 R)
• M3: 1,018,313 km (0.118 R)
• M4: 1,546,393 km (0.084 R)
• M5: 2,672,716 km (0.112 R)
• M6: 3,306,412 km (0.08 R)
• M7: 3,765,678 km (0.085 R)
• M8: 4,925,360 km (0.061 R)
• M9: 10,275,429 km (0.101 R)
• M10: 13,959,277 km (0.069 R)
• M11: 25,929,500 km (0.088 R)
• M12: 28,379,165 km (0.116 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: 450 - 16,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit