🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.9

Radius: 12.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.6 AU - 0.68 AU

Year: 341 Days

Day: 7 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,066,688 km

• M1: 160,519 km (0.055 R)
• M2: 575,802 km (0.065 R)
• M3: 1,076,207 km (0.114 R)
• M4: 1,773,333 km (0.058 R)
• M5: 2,264,164 km (0.108 R)
• M6: 2,695,604 km (0.096 R)
• M7: 3,738,750 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.8

Radius: 14.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.58 AU - 0.92 AU

Year: 433 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,066,688 km

• M1: 179,517 km (0.086 R)
• M2: 698,173 km (0.086 R)
• M3: 1,176,138 km (0.11 R)
• M4: 1,640,490 km (0.108 R)
• M5: 2,098,260 km (0.037 R)
• M6: 2,572,186 km (0.067 R)
• M7: 3,061,520 km (0.03 R)
• M8: 3,600,671 km (0.059 R)
• M9: 4,492,274 km (0.067 R)
• M10: 5,127,467 km (0.111 R)
• M11: 5,595,260 km (0.096 R)
• M12: 6,164,928 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.9

Radius: 10.2

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.65 AU - 0.93 AU

Year: 468 Days

Day: 9.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,066,688 km

• M1: 126,859 km (0.114 R)
• M2: 471,981 km (0.108 R)
• M3: 859,739 km (0.089 R)
• M4: 1,211,294 km (0.097 R)
• M5: 1,630,168 km (0.089 R)
• M6: 2,046,200 km (0.096 R)
• M7: 2,722,382 km (0.115 R)
• M8: 3,202,890 km (0.103 R)
• M9: 3,632,835 km (0.117 R)
• M10: 4,001,294 km (0.11 R)
• M11: 4,734,324 km (0.117 R)
• M12: 5,625,478 km (0.11 R)
• M13: 5,971,049 km (0.075 R)
• M14: 6,826,001 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.2

Radius: 11

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.76 AU - 0.92 AU

Year: 513 Days

Day: 8.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,066,688 km

• M1: 137,181 km (0.082 R)
• M2: 507,286 km (0.047 R)
• M3: 990,787 km (0.089 R)
• M4: 1,353,562 km (0.089 R)
• M5: 1,882,689 km (0.059 R)
• M6: 2,732,704 km (0.095 R)
• M7: 3,279,784 km (0.074 R)
• M8: 4,148,349 km (0.097 R)
• M9: 4,651,596 km (0.077 R)
• M10: 5,070,919 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.8

Radius: 13.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.77 AU - 1.17 AU

Year: 637 Days

Day: 5.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,066,688 km

• M1: 165,754 km (0.051 R)
• M2: 658,081 km (0.062 R)
• M3: 1,187,209 km (0.12 R)
• M4: 1,945,072 km (0.096 R)
• M5: 2,451,610 km (0.106 R)
• M6: 3,204,386 km (0.067 R)
• M7: 4,058,740 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.5

Radius: 9.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.95 AU - 1.07 AU

Year: 677 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,066,688 km

• M1: 119,678 km (0.11 R)
• M2: 449,990 km (0.067 R)
• M3: 1,303,895 km (0.08 R)
• M4: 1,737,280 km (0.099 R)
• M5: 2,090,032 km (0.085 R)
• M6: 2,604,050 km (0.102 R)
• M7: 3,081,118 km (0.116 R)
• M8: 4,067,267 km (0.08 R)
• M9: 4,555,854 km (0.073 R)
• M10: 5,668,712 km (0.108 R)
• M11: 6,298,370 km (0.12 R)
• M12: 6,730,259 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.5

Radius: 12.6

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.72 AU - 1.8 AU

Year: 1557 Days

Day: 10.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,066,688 km

• M1: 156,779 km (0.069 R)
• M2: 559,047 km (0.076 R)
• M3: 1,050,925 km (0.096 R)
• M4: 1,475,185 km (0.075 R)
• M5: 2,128,030 km (0.118 R)
• M6: 2,797,181 km (0.089 R)
• M7: 3,360,118 km (0.088 R)
• M8: 4,033,757 km (0.103 R)
• M9: 4,856,545 km (0.098 R)
• M10: 5,340,943 km (0.111 R)
• M11: 5,997,678 km (0.11 R)
• M12: 6,991,307 km (0.114 R)
• M13: 8,062,876 km (0.106 R)
• M14: 9,021,350 km (0.04 R)
• M15: 9,496,174 km (0.097 R)
• M16: 10,290,688 km (0.116 R)
• M17: 11,128,885 km (0.058 R)
• M18: 11,749,866 km (0.119 R)
• M19: 12,862,425 km (0.102 R)
• M20: 13,505,546 km (0.097 R)
• M21: 14,001,912 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446

Radius: 12.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.65 AU - 3.81 AU

Year: 3871 Days

Day: 8.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,066,688 km

• M1: 157,975 km (0.05 R)
• M2: 598,840 km (0.03 R)
• M3: 1,350,719 km (0.032 R)
• M4: 2,403,589 km (0.07 R)
• M5: 3,550,556 km (0.05 R)
• M6: 5,081,989 km (0.106 R)
• M7: 5,982,269 km (0.103 R)
• M8: 6,630,028 km (0.047 R)
• M9: 7,355,129 km (0.108 R)
• M10: 7,900,413 km (0.027 R)
• M11: 9,180,672 km (0.107 R)
• M12: 11,000,829 km (0.105 R)
• M13: 14,239,473 km (0.07 R)
• M14: 14,885,437 km (0.027 R)
• M15: 16,343,268 km (0.096 R)
• M16: 17,951,445 km (0.113 R)
• M17: 20,153,526 km (0.117 R)
• M18: 21,095,544 km (0.09 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 11,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit