🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.5

Radius: 12.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.53 AU - 0.71 AU

Year: 337 Days

Day: 11.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,080,545 km

• M1: 150,795 km (0.085 R)
• M2: 856,597 km (0.068 R)
• M3: 1,237,773 km (0.116 R)
• M4: 1,619,696 km (0.095 R)
• M5: 2,010,595 km (0.067 R)
• M6: 2,465,373 km (0.082 R)
• M7: 2,886,491 km (0.114 R)
• M8: 3,938,314 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 14.9

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.89 AU - 1.35 AU

Year: 818 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,080,545 km

• M1: 185,352 km (0.086 R)
• M2: 663,317 km (0.106 R)
• M3: 1,188,405 km (0.104 R)
• M4: 1,652,458 km (0.11 R)
• M5: 2,234,693 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 12.9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.79 AU - 1.87 AU

Year: 1709 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,080,545 km

• M1: 160,369 km (0.119 R)
• M2: 608,714 km (0.093 R)
• M3: 1,161,179 km (0.117 R)
• M4: 1,644,679 km (0.094 R)
• M5: 2,311,437 km (0.034 R)
• M6: 3,480,993 km (0.082 R)
• M7: 4,338,039 km (0.094 R)
• M8: 4,847,420 km (0.102 R)
• M9: 5,596,307 km (0.113 R)
• M10: 6,445,723 km (0.071 R)
• M11: 6,927,728 km (0.098 R)
• M12: 7,406,591 km (0.115 R)
• M13: 8,401,117 km (0.091 R)
• M14: 9,070,568 km (0.099 R)
• M15: 9,482,710 km (0.105 R)
• M16: 10,516,431 km (0.066 R)
• M17: 12,417,222 km (0.067 R)
• M18: 12,886,510 km (0.116 R)
• M19: 13,367,767 km (0.089 R)
• M20: 13,986,055 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 11.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.08 AU - 3.24 AU

Year: 2995 Days

Day: 9 Hours

Environment

Temp: -200 °C

Axial Tilt: 121 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,080,545 km

• M1: 139,276 km (0.081 R)
• M2: 789,877 km (0.096 R)
• M3: 1,222,514 km (0.071 R)
• M4: 1,771,388 km (0.058 R)
• M5: 2,360,804 km (0.073 R)
• M6: 2,789,252 km (0.111 R)
• M7: 3,156,365 km (0.113 R)
• M8: 3,732,317 km (0.116 R)
• M9: 4,238,556 km (0.103 R)
• M10: 5,072,864 km (0.05 R)
• M11: 5,938,886 km (0.108 R)
• M12: 7,813,796 km (0.115 R)
• M13: 8,613,546 km (0.108 R)
• M14: 9,132,202 km (0.103 R)
• M15: 9,500,811 km (0.094 R)
• M16: 10,267,949 km (0.105 R)
• M17: 13,581,542 km (0.108 R)
• M18: 13,974,386 km (0.03 R)
• M19: 14,555,125 km (0.107 R)
• M20: 16,443,499 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541

Radius: 9.7

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.61 AU - 4.67 AU

Year: 5814 Days

Day: 11 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,080,545 km

• M1: 122,072 km (0.074 R)
• M2: 430,543 km (0.099 R)
• M3: 1,781,112 km (0.087 R)
• M4: 3,292,350 km (0.119 R)
• M5: 4,103,769 km (0.077 R)
• M6: 5,097,547 km (0.041 R)
• M7: 6,596,967 km (0.099 R)
• M8: 8,104,913 km (0.05 R)
• M9: 9,080,740 km (0.056 R)
• M10: 15,921,253 km (0.117 R)
• M11: 16,764,237 km (0.073 R)
• M12: 21,359,584 km (0.087 R)
• M13: 28,267,714 km (0.036 R)
• M14: 30,406,814 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356

Radius: 12

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.2 AU - 5.56 AU

Year: 7441 Days

Day: 13.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,080,545 km

• M1: 170,691 km (0.107 R)
• M2: 558,000 km (0.097 R)
• M3: 974,331 km (0.094 R)
• M4: 1,570,329 km (0.064 R)
• M5: 2,075,670 km (0.075 R)
• M6: 3,482,339 km (0.083 R)
• M7: 4,811,816 km (0.089 R)
• M8: 5,446,858 km (0.109 R)
• M9: 7,368,892 km (0.099 R)
• M10: 9,081,339 km (0.056 R)
• M11: 10,541,115 km (0.072 R)
• M12: 11,185,732 km (0.088 R)
• M13: 12,809,168 km (0.088 R)
• M14: 14,416,597 km (0.071 R)
• M15: 15,443,437 km (0.045 R)
• M16: 16,215,063 km (0.03 R)
• M17: 17,262,397 km (0.092 R)
• M18: 18,288,938 km (0.078 R)
• M19: 18,950,909 km (0.064 R)
• M20: 20,252,709 km (0.12 R)
• M21: 22,881,294 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.2

Radius: 12.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5 AU - 5.92 AU

Year: 8806 Days

Day: 9.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,080,545 km

• M1: 157,078 km (0.089 R)
• M2: 582,385 km (0.088 R)
• M3: 1,069,176 km (0.097 R)
• M4: 3,126,147 km (0.1 R)
• M5: 3,606,206 km (0.103 R)
• M6: 4,208,188 km (0.108 R)
• M7: 4,742,701 km (0.077 R)
• M8: 5,264,947 km (0.05 R)
• M9: 6,724,125 km (0.086 R)
• M10: 7,529,560 km (0.103 R)
• M11: 8,127,204 km (0.069 R)
• M12: 10,245,509 km (0.072 R)
• M13: 12,097,232 km (0.076 R)
• M14: 14,670,914 km (0.091 R)
• M15: 15,191,365 km (0.098 R)
• M16: 17,205,550 km (0.092 R)
• M17: 18,778,422 km (0.114 R)
• M18: 28,728,625 km (0.083 R)
• M19: 30,374,800 km (0.104 R)
• M20: 31,794,035 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.9

Radius: 3.3

Gravity: 64.91 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.95 AU - 8.51 AU

Year: 16297 Days

Day: 19.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,080,545 km

• M1: 40,990 km (0.041 R)
• M2: 202,406 km (0.032 R)
• M3: 545,883 km (0.12 R)
• M4: 698,024 km (0.093 R)
• M5: 2,606,892 km (0.03 R)
• M6: 2,722,681 km (0.108 R)
• M7: 2,915,363 km (0.106 R)
• M8: 3,117,021 km (0.067 R)
• M9: 3,436,861 km (0.065 R)
• M10: 4,661,470 km (0.104 R)
• M11: 7,976,558 km (0.06 R)
• M12: 8,829,715 km (0.073 R)
• M13: 10,078,259 km (0.076 R)
• M14: 11,501,683 km (0.089 R)
• M15: 11,751,362 km (0.054 R)
• M16: 14,233,938 km (0.085 R)
• M17: 15,407,833 km (0.115 R)
• M18: 17,369,061 km (0.102 R)
• M19: 22,643,583 km (0.063 R)
• M20: 23,134,264 km (0.091 R)
• M21: 24,238,595 km (0.06 R)
• M22: 25,272,466 km (0.032 R)
• M23: 31,005,954 km (0.09 R)
• M24: 33,094,191 km (0.092 R)
• M25: 36,332,386 km (0.096 R)
• M26: 39,492,491 km (0.034 R)
• M27: 44,186,723 km (0.046 R)
• M28: 44,952,215 km (0.082 R)
• M29: 46,509,679 km (0.088 R)
• M30: 48,264,163 km (0.057 R)
• M31: 52,585,148 km (0.113 R)
• M32: 57,882,857 km (0.04 R)
• M33: 58,614,989 km (0.069 R)
• M34: 59,168,202 km (0.118 R)
• M35: 66,479,050 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 14,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit