🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.8

Radius: 11.4

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.52 AU - 0.84 AU

Year: 362 Days

Day: 10.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,852,818 km

• M1: 141,819 km (0.109 R)
• M2: 531,970 km (0.066 R)
• M3: 927,656 km (0.119 R)
• M4: 1,362,089 km (0.089 R)
• M5: 1,806,993 km (0.093 R)
• M6: 2,383,543 km (0.12 R)
• M7: 2,853,729 km (0.068 R)
• M8: 3,476,655 km (0.109 R)
• M9: 4,920,872 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986

Radius: 13.5

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.86 AU - 0.88 AU

Year: 524 Days

Day: 14.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,852,818 km

• M1: 167,849 km (0.09 R)
• M2: 590,762 km (0.111 R)
• M3: 1,434,644 km (0.119 R)
• M4: 1,900,043 km (0.078 R)
• M5: 2,477,341 km (0.119 R)
• M6: 3,146,342 km (0.117 R)
• M7: 3,630,591 km (0.039 R)
• M8: 4,120,524 km (0.1 R)
• M9: 4,623,023 km (0.033 R)
• M10: 5,480,368 km (0.099 R)
• M11: 6,744,470 km (0.089 R)
• M12: 7,314,438 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 14.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.51 AU - 1.79 AU

Year: 1368 Days

Day: 7.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,852,818 km

• M1: 185,352 km (0.111 R)
• M2: 651,948 km (0.093 R)
• M3: 1,256,323 km (0.041 R)
• M4: 2,141,942 km (0.106 R)
• M5: 4,792,517 km (0.102 R)
• M6: 5,345,581 km (0.102 R)
• M7: 6,048,392 km (0.096 R)
• M8: 6,603,998 km (0.086 R)
• M9: 7,364,853 km (0.106 R)
• M10: 7,895,626 km (0.109 R)
• M11: 9,852,217 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.6

Radius: 12.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.72 AU - 6.14 AU

Year: 7068 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,852,818 km

• M1: 155,582 km (0.038 R)
• M2: 760,556 km (0.113 R)
• M3: 1,377,198 km (0.07 R)
• M4: 2,100,354 km (0.099 R)
• M5: 2,575,477 km (0.078 R)
• M6: 3,550,257 km (0.096 R)
• M7: 4,206,393 km (0.078 R)
• M8: 4,653,391 km (0.088 R)
• M9: 5,104,579 km (0.058 R)
• M10: 5,556,065 km (0.094 R)
• M11: 6,937,003 km (0.075 R)
• M12: 11,469,818 km (0.102 R)
• M13: 12,247,578 km (0.092 R)
• M14: 17,044,583 km (0.04 R)
• M15: 17,482,905 km (0.082 R)
• M16: 18,382,287 km (0.095 R)
• M17: 18,976,639 km (0.062 R)
• M18: 20,553,850 km (0.057 R)
• M19: 23,195,449 km (0.119 R)
• M20: 25,319,739 km (0.107 R)
• M21: 26,221,216 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.8

Radius: 13.2

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.69 AU - 5.95 AU

Year: 9066 Days

Day: 14.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,852,818 km

• M1: 164,408 km (0.062 R)
• M2: 591,809 km (0.1 R)
• M3: 1,098,946 km (0.116 R)
• M4: 1,588,281 km (0.074 R)
• M5: 2,495,592 km (0.078 R)
• M6: 3,191,072 km (0.097 R)
• M7: 4,635,589 km (0.08 R)
• M8: 5,292,324 km (0.103 R)
• M9: 7,414,070 km (0.097 R)
• M10: 8,897,333 km (0.117 R)
• M11: 10,285,602 km (0.1 R)
• M12: 10,958,044 km (0.082 R)
• M13: 12,178,912 km (0.111 R)
• M14: 13,887,619 km (0.082 R)
• M15: 14,530,740 km (0.095 R)
• M16: 16,775,756 km (0.118 R)
• M17: 17,237,714 km (0.118 R)
• M18: 21,709,344 km (0.1 R)
• M19: 22,258,368 km (0.097 R)
• M20: 23,302,561 km (0.106 R)
• M21: 24,127,893 km (0.049 R)
• M22: 24,547,814 km (0.113 R)
• M23: 28,643,504 km (0.039 R)
• M24: 37,371,642 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.6

Radius: 3.3

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.22 AU - 8.9 AU

Year: 16171 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,852,818 km

• M1: 47,572 km (0.066 R)
• M2: 188,942 km (0.085 R)
• M3: 742,155 km (0.11 R)
• M4: 1,371,663 km (0.114 R)
• M5: 1,558,959 km (0.112 R)
• M6: 2,206,718 km (0.088 R)
• M7: 2,407,329 km (0.117 R)
• M8: 2,803,165 km (0.076 R)
• M9: 7,016,739 km (0.114 R)
• M10: 12,352,595 km (0.05 R)
• M11: 13,159,078 km (0.055 R)
• M12: 20,120,614 km (0.086 R)
• M13: 24,821,428 km (0.075 R)
• M14: 29,999,459 km (0.107 R)
• M15: 36,663,147 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 13,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit