🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.5

Radius: 14.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.56 AU - 0.56 AU

Year: 284 Days

Day: 6.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,465,151 km

• M1: 175,478 km (0.064 R)
• M2: 717,771 km (0.114 R)
• M3: 1,270,236 km (0.112 R)
• M4: 1,730,399 km (0.076 R)
• M5: 2,212,702 km (0.088 R)
• M6: 2,750,207 km (0.088 R)
• M7: 3,284,272 km (0.105 R)
• M8: 3,910,040 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.3

Radius: 14.7

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.86 AU - 1.18 AU

Year: 699 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,465,151 km

• M1: 182,809 km (0.114 R)
• M2: 713,582 km (0.1 R)
• M3: 1,245,103 km (0.076 R)
• M4: 2,194,152 km (0.038 R)
• M5: 3,155,617 km (0.073 R)
• M6: 3,999,349 km (0.104 R)
• M7: 5,965,514 km (0.03 R)
• M8: 6,897,808 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 8.5

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.04 AU - 1.4 AU

Year: 914 Days

Day: 9.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,465,151 km

• M1: 105,766 km (0.08 R)
• M2: 398,379 km (0.065 R)
• M3: 667,506 km (0.093 R)
• M4: 946,805 km (0.082 R)
• M5: 1,455,587 km (0.084 R)
• M6: 1,948,811 km (0.032 R)
• M7: 3,550,855 km (0.068 R)
• M8: 4,328,764 km (0.109 R)
• M9: 4,992,530 km (0.07 R)
• M10: 5,844,041 km (0.094 R)
• M11: 6,565,851 km (0.09 R)
• M12: 7,086,900 km (0.091 R)
• M13: 8,211,726 km (0.116 R)
• M14: 8,656,182 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.9

Radius: 13.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.26 AU - 1.88 AU

Year: 1334 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,465,151 km

• M1: 170,542 km (0.085 R)
• M2: 695,331 km (0.105 R)
• M3: 1,162,675 km (0.054 R)
• M4: 1,586,785 km (0.069 R)
• M5: 2,178,594 km (0.111 R)
• M6: 2,928,378 km (0.095 R)
• M7: 3,457,207 km (0.115 R)
• M8: 4,017,600 km (0.052 R)
• M9: 4,516,061 km (0.029 R)
• M10: 4,981,459 km (0.04 R)
• M11: 5,638,643 km (0.114 R)
• M12: 7,032,895 km (0.12 R)
• M13: 7,660,907 km (0.104 R)
• M14: 9,597,302 km (0.038 R)
• M15: 10,309,986 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.8

Radius: 12.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2 AU - 2.26 AU

Year: 2108 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,465,151 km

• M1: 160,519 km (0.118 R)
• M2: 574,306 km (0.092 R)
• M3: 1,143,825 km (0.111 R)
• M4: 1,936,395 km (0.076 R)
• M5: 2,366,638 km (0.119 R)
• M6: 3,440,452 km (0.119 R)
• M7: 4,010,420 km (0.068 R)
• M8: 4,796,557 km (0.081 R)
• M9: 7,434,715 km (0.071 R)
• M10: 8,306,721 km (0.084 R)
• M11: 9,491,387 km (0.07 R)
• M12: 10,092,172 km (0.092 R)
• M13: 10,684,579 km (0.119 R)
• M14: 11,475,353 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.2

Radius: 14.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.91 AU - 2.53 AU

Year: 2243 Days

Day: 14.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,465,151 km

• M1: 185,352 km (0.119 R)
• M2: 726,896 km (0.089 R)
• M3: 1,271,432 km (0.092 R)
• M4: 2,010,147 km (0.079 R)
• M5: 2,687,227 km (0.089 R)
• M6: 3,391,234 km (0.105 R)
• M7: 4,135,783 km (0.061 R)
• M8: 4,852,656 km (0.05 R)
• M9: 5,701,025 km (0.056 R)
• M10: 7,392,528 km (0.094 R)
• M11: 8,322,130 km (0.105 R)
• M12: 9,259,061 km (0.094 R)
• M13: 10,265,256 km (0.102 R)
• M14: 10,988,562 km (0.081 R)
• M15: 12,537,648 km (0.056 R)
• M16: 14,840,109 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.2

Radius: 12

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.74 AU - 2.82 AU

Year: 3144 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,465,151 km

• M1: 149,598 km (0.101 R)
• M2: 560,394 km (0.087 R)
• M3: 959,521 km (0.034 R)
• M4: 1,336,956 km (0.089 R)
• M5: 1,734,737 km (0.11 R)
• M6: 2,366,938 km (0.09 R)
• M7: 2,778,032 km (0.092 R)
• M8: 3,272,902 km (0.09 R)
• M9: 3,687,139 km (0.108 R)
• M10: 4,243,792 km (0.091 R)
• M11: 4,927,455 km (0.114 R)
• M12: 5,578,205 km (0.12 R)
• M13: 6,285,504 km (0.116 R)
• M14: 6,899,603 km (0.078 R)
• M15: 7,362,609 km (0.086 R)
• M16: 9,388,314 km (0.115 R)
• M17: 10,630,724 km (0.068 R)
• M18: 14,761,719 km (0.106 R)
• M19: 16,221,795 km (0.058 R)
• M20: 16,821,084 km (0.108 R)
• M21: 18,530,688 km (0.115 R)
• M22: 19,246,065 km (0.081 R)
• M23: 20,416,220 km (0.115 R)
• M24: 22,093,511 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 8.3

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.84 AU - 4.16 AU

Year: 5426 Days

Day: 7.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,465,151 km

• M1: 103,223 km (0.115 R)
• M2: 719,117 km (0.086 R)
• M3: 1,758,523 km (0.109 R)
• M4: 3,304,767 km (0.067 R)
• M5: 4,221,054 km (0.082 R)
• M6: 4,524,288 km (0.1 R)
• M7: 5,548,286 km (0.098 R)
• M8: 7,723,738 km (0.099 R)
• M9: 8,549,070 km (0.063 R)
• M10: 10,335,268 km (0.101 R)
• M11: 12,488,729 km (0.119 R)
• M12: 14,385,182 km (0.049 R)
• M13: 19,740,935 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 8.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.2 AU - 5.2 AU

Year: 6911 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,465,151 km

• M1: 102,026 km (0.099 R)
• M2: 435,479 km (0.095 R)
• M3: 778,807 km (0.079 R)
• M4: 1,120,039 km (0.041 R)
• M5: 1,630,018 km (0.04 R)
• M6: 2,999,288 km (0.069 R)
• M7: 3,437,011 km (0.106 R)
• M8: 3,830,304 km (0.091 R)
• M9: 5,010,033 km (0.098 R)
• M10: 5,272,427 km (0.114 R)
• M11: 6,476,690 km (0.107 R)
• M12: 6,852,181 km (0.05 R)
• M13: 7,510,262 km (0.097 R)
• M14: 8,724,847 km (0.082 R)
• M15: 10,569,838 km (0.102 R)
• M16: 11,402,798 km (0.071 R)
• M17: 11,766,321 km (0.067 R)
• M18: 12,184,597 km (0.068 R)
• M19: 13,905,870 km (0.094 R)
• M20: 16,292,255 km (0.105 R)
• M21: 16,695,571 km (0.049 R)
• M22: 18,499,871 km (0.111 R)
• M23: 20,364,010 km (0.098 R)
• M24: 25,915,438 km (0.1 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 13,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit