🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.6

Radius: 9.1

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.9 AU - 1.2 AU

Year: 730 Days

Day: 10.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,739,514 km

• M1: 113,246 km (0.116 R)
• M2: 422,315 km (0.118 R)
• M3: 720,164 km (0.082 R)
• M4: 1,092,812 km (0.115 R)
• M5: 1,406,220 km (0.051 R)
• M6: 2,103,944 km (0.061 R)
• M7: 2,641,599 km (0.069 R)
• M8: 2,943,189 km (0.114 R)
• M9: 3,858,129 km (0.099 R)
• M10: 4,517,706 km (0.061 R)
• M11: 5,214,683 km (0.102 R)
• M12: 6,119,600 km (0.049 R)
• M13: 6,464,124 km (0.098 R)
• M14: 7,059,823 km (0.106 R)
• M15: 7,348,547 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.5

Radius: 11.3

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.75 AU - 2.43 AU

Year: 2049 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,739,514 km

• M1: 140,472 km (0.116 R)
• M2: 563,386 km (0.074 R)
• M3: 956,080 km (0.078 R)
• M4: 1,309,281 km (0.119 R)
• M5: 2,480,931 km (0.053 R)
• M6: 3,088,149 km (0.12 R)
• M7: 3,755,505 km (0.112 R)
• M8: 4,312,159 km (0.082 R)
• M9: 6,503,767 km (0.079 R)
• M10: 7,424,692 km (0.107 R)
• M11: 8,085,615 km (0.069 R)
• M12: 8,590,658 km (0.1 R)
• M13: 9,183,813 km (0.101 R)
• M14: 10,196,740 km (0.09 R)
• M15: 10,637,157 km (0.073 R)
• M16: 11,090,139 km (0.065 R)
• M17: 12,904,911 km (0.063 R)
• M18: 13,420,575 km (0.084 R)
• M19: 14,956,795 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.4

Radius: 14.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.17 AU - 3.59 AU

Year: 3315 Days

Day: 12.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,739,514 km

• M1: 177,872 km (0.036 R)
• M2: 784,342 km (0.087 R)
• M3: 1,364,781 km (0.043 R)
• M4: 2,052,184 km (0.073 R)
• M5: 2,790,150 km (0.074 R)
• M6: 3,931,731 km (0.115 R)
• M7: 5,488,447 km (0.069 R)
• M8: 6,296,724 km (0.088 R)
• M9: 6,946,727 km (0.114 R)
• M10: 9,205,056 km (0.029 R)
• M11: 9,672,998 km (0.113 R)
• M12: 10,232,943 km (0.116 R)
• M13: 11,173,764 km (0.073 R)
• M14: 13,409,804 km (0.113 R)
• M15: 14,059,806 km (0.03 R)
• M16: 15,172,964 km (0.104 R)
• M17: 16,084,613 km (0.057 R)
• M18: 17,356,644 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.4

Radius: 15

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.3 AU - 3.6 AU

Year: 3437 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,739,514 km

• M1: 186,549 km (0.095 R)
• M2: 669,301 km (0.059 R)
• M3: 1,160,879 km (0.108 R)
• M4: 1,894,807 km (0.103 R)
• M5: 2,436,501 km (0.078 R)
• M6: 3,581,074 km (0.08 R)
• M7: 4,265,035 km (0.066 R)
• M8: 7,196,256 km (0.082 R)
• M9: 8,679,369 km (0.096 R)
• M10: 9,531,778 km (0.1 R)
• M11: 11,146,687 km (0.072 R)
• M12: 13,317,801 km (0.093 R)
• M13: 17,027,678 km (0.068 R)
• M14: 18,483,715 km (0.089 R)
• M15: 20,402,906 km (0.114 R)
• M16: 22,247,597 km (0.099 R)
• M17: 23,280,421 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504

Radius: 8.9

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.81 AU - 3.41 AU

Year: 3720 Days

Day: 13.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 155.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,739,514 km

• M1: 110,702 km (0.106 R)
• M2: 392,395 km (0.076 R)
• M3: 748,887 km (0.112 R)
• M4: 1,124,078 km (0.058 R)
• M5: 1,714,092 km (0.12 R)
• M6: 2,020,768 km (0.078 R)
• M7: 3,082,464 km (0.099 R)
• M8: 3,370,440 km (0.033 R)
• M9: 3,836,288 km (0.088 R)
• M10: 8,115,535 km (0.037 R)
• M11: 9,887,372 km (0.036 R)
• M12: 11,133,074 km (0.092 R)
• M13: 11,556,436 km (0.113 R)
• M14: 14,675,551 km (0.112 R)
• M15: 16,077,433 km (0.063 R)
• M16: 19,753,501 km (0.107 R)
• M17: 20,374,482 km (0.12 R)
• M18: 21,459,815 km (0.097 R)
• M19: 21,917,734 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583

Radius: 12.3

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.14 AU - 3.58 AU

Year: 4177 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,739,514 km

• M1: 153,039 km (0.108 R)
• M2: 576,251 km (0.064 R)
• M3: 1,244,056 km (0.113 R)
• M4: 1,816,717 km (0.082 R)
• M5: 2,608,837 km (0.08 R)
• M6: 3,402,454 km (0.117 R)
• M7: 5,308,630 km (0.072 R)
• M8: 6,674,608 km (0.102 R)
• M9: 7,210,767 km (0.108 R)
• M10: 7,606,453 km (0.061 R)
• M11: 9,145,367 km (0.1 R)
• M12: 9,609,718 km (0.053 R)
• M13: 10,008,696 km (0.096 R)
• M14: 12,404,805 km (0.1 R)
• M15: 13,413,394 km (0.102 R)
• M16: 13,811,623 km (0.104 R)
• M17: 14,736,737 km (0.112 R)
• M18: 17,405,862 km (0.065 R)
• M19: 20,122,110 km (0.116 R)
• M20: 22,059,852 km (0.118 R)
• M21: 23,466,670 km (0.074 R)
• M22: 24,338,975 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.2

Radius: 11.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.02 AU - 4.76 AU

Year: 6239 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,739,514 km

• M1: 142,866 km (0.096 R)
• M2: 768,783 km (0.079 R)
• M3: 1,567,038 km (0.117 R)
• M4: 2,112,472 km (0.107 R)
• M5: 3,481,292 km (0.047 R)
• M6: 3,941,455 km (0.104 R)
• M7: 6,617,611 km (0.114 R)
• M8: 7,538,536 km (0.112 R)
• M9: 8,198,562 km (0.119 R)
• M10: 9,342,686 km (0.086 R)
• M11: 9,888,868 km (0.108 R)
• M12: 12,945,751 km (0.117 R)
• M13: 15,169,224 km (0.106 R)
• M14: 20,012,904 km (0.115 R)
• M15: 23,735,049 km (0.047 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 13,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit