🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.3

Radius: 14.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.54 AU - 0.56 AU

Year: 272 Days

Day: 7.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,201,557 km

• M1: 178,321 km (0.058 R)
• M2: 649,255 km (0.085 R)
• M3: 1,125,874 km (0.119 R)
• M4: 1,583,942 km (0.088 R)
• M5: 2,136,557 km (0.118 R)
• M6: 2,613,624 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 12.8

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.99 AU - 1.11 AU

Year: 717 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,201,557 km

• M1: 159,172 km (0.059 R)
• M2: 565,929 km (0.109 R)
• M3: 973,733 km (0.108 R)
• M4: 2,004,462 km (0.101 R)
• M5: 2,994,949 km (0.077 R)
• M6: 3,855,586 km (0.072 R)
• M7: 4,417,775 km (0.118 R)
• M8: 5,270,632 km (0.061 R)
• M9: 5,766,250 km (0.1 R)
• M10: 6,230,452 km (0.108 R)
• M11: 7,188,477 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.6

Radius: 12.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.08 AU - 1.1 AU

Year: 759 Days

Day: 9.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,201,557 km

• M1: 157,975 km (0.086 R)
• M2: 653,743 km (0.051 R)
• M3: 1,268,740 km (0.092 R)
• M4: 1,726,210 km (0.055 R)
• M5: 2,185,026 km (0.084 R)
• M6: 3,958,808 km (0.067 R)
• M7: 4,585,025 km (0.098 R)
• M8: 6,176,896 km (0.117 R)
• M9: 7,109,938 km (0.081 R)
• M10: 7,564,267 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.7

Radius: 11.5

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.55 AU - 2.05 AU

Year: 1610 Days

Day: 11.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,201,557 km

• M1: 144,362 km (0.096 R)
• M2: 568,173 km (0.062 R)
• M3: 1,190,500 km (0.071 R)
• M4: 1,643,931 km (0.087 R)
• M5: 2,016,878 km (0.102 R)
• M6: 2,576,973 km (0.118 R)
• M7: 3,445,538 km (0.112 R)
• M8: 3,815,793 km (0.074 R)
• M9: 4,402,516 km (0.115 R)
• M10: 5,048,479 km (0.101 R)
• M11: 5,528,539 km (0.119 R)
• M12: 7,181,147 km (0.109 R)
• M13: 9,205,056 km (0.078 R)
• M14: 9,890,065 km (0.092 R)
• M15: 10,714,349 km (0.076 R)
• M16: 12,305,023 km (0.069 R)
• M17: 12,855,394 km (0.12 R)
• M18: 13,963,166 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.2

Radius: 8.5

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.05 AU - 2.59 AU

Year: 2356 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,201,557 km

• M1: 105,766 km (0.099 R)
• M2: 528,679 km (0.042 R)
• M3: 853,605 km (0.099 R)
• M4: 1,132,456 km (0.081 R)
• M5: 1,434,344 km (0.089 R)
• M6: 1,756,578 km (0.097 R)
• M7: 2,311,138 km (0.04 R)
• M8: 2,622,301 km (0.073 R)
• M9: 2,929,575 km (0.083 R)
• M10: 3,260,785 km (0.046 R)
• M11: 4,118,729 km (0.096 R)
• M12: 4,386,658 km (0.066 R)
• M13: 5,381,484 km (0.087 R)
• M14: 5,880,393 km (0.051 R)
• M15: 6,941,940 km (0.099 R)
• M16: 9,159,728 km (0.084 R)
• M17: 9,944,518 km (0.045 R)
• M18: 10,619,354 km (0.116 R)
• M19: 11,244,524 km (0.078 R)
• M20: 14,178,288 km (0.089 R)
• M21: 15,971,817 km (0.034 R)
• M22: 18,020,560 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 11

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.35 AU - 3.49 AU

Year: 4218 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,201,557 km

• M1: 137,181 km (0.052 R)
• M2: 508,782 km (0.058 R)
• M3: 1,018,313 km (0.066 R)
• M4: 1,895,704 km (0.083 R)
• M5: 3,007,067 km (0.107 R)
• M6: 3,442,397 km (0.104 R)
• M7: 3,816,690 km (0.069 R)
• M8: 4,196,370 km (0.114 R)
• M9: 4,554,956 km (0.092 R)
• M10: 5,975,687 km (0.089 R)
• M11: 6,697,497 km (0.065 R)
• M12: 8,489,829 km (0.12 R)
• M13: 8,920,072 km (0.099 R)
• M14: 10,500,574 km (0.111 R)
• M15: 13,911,256 km (0.057 R)
• M16: 14,258,622 km (0.107 R)
• M17: 15,599,318 km (0.103 R)
• M18: 16,520,392 km (0.098 R)
• M19: 19,687,229 km (0.118 R)
• M20: 21,216,568 km (0.041 R)
• M21: 22,550,233 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.7

Radius: 8.6

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.7 AU - 5.5 AU

Year: 6579 Days

Day: 14.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,201,557 km

• M1: 107,112 km (0.059 R)
• M2: 479,461 km (0.092 R)
• M3: 965,205 km (0.117 R)
• M4: 1,740,422 km (0.112 R)
• M5: 2,553,187 km (0.116 R)
• M6: 2,880,956 km (0.106 R)
• M7: 4,567,073 km (0.101 R)
• M8: 4,877,489 km (0.083 R)
• M9: 5,993,339 km (0.096 R)
• M10: 6,790,397 km (0.115 R)
• M11: 7,423,495 km (0.079 R)
• M12: 8,467,239 km (0.064 R)
• M13: 9,334,458 km (0.118 R)
• M14: 10,164,427 km (0.062 R)
• M15: 11,917,864 km (0.039 R)
• M16: 12,783,138 km (0.115 R)
• M17: 14,158,541 km (0.064 R)
• M18: 15,949,078 km (0.106 R)
• M19: 19,455,353 km (0.047 R)
• M20: 20,501,042 km (0.105 R)
• M21: 21,583,682 km (0.046 R)
• M22: 23,031,041 km (0.048 R)
• M23: 27,947,126 km (0.035 R)
• M24: 28,892,884 km (0.11 R)
• M25: 31,249,649 km (0.027 R)
• M26: 35,787,551 km (0.098 R)
• M27: 38,734,329 km (0.07 R)
• M28: 39,084,388 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 20,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit