🌌 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: 84.2

Radius: 13.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.99 AU - 1.11 AU

Year: 717 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,607,429 km

• M1: 172,935 km (0.042 R)
• M2: 686,654 km (0.099 R)
• M3: 1,245,552 km (0.117 R)
• M4: 1,889,720 km (0.066 R)
• M5: 2,354,521 km (0.051 R)
• M6: 2,804,810 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.8

Radius: 14.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.44 AU - 2.14 AU

Year: 1597 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,607,429 km

• M1: 187,596 km (0.089 R)
• M2: 638,185 km (0.119 R)
• M3: 1,109,268 km (0.11 R)
• M4: 1,620,594 km (0.062 R)
• M5: 2,085,095 km (0.119 R)
• M6: 3,181,049 km (0.073 R)
• M7: 3,880,419 km (0.057 R)
• M8: 4,761,850 km (0.103 R)
• M9: 6,469,809 km (0.09 R)
• M10: 7,441,447 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.2

Radius: 12.4

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.8 AU - 1.88 AU

Year: 1664 Days

Day: 12.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,607,429 km

• M1: 154,385 km (0.065 R)
• M2: 559,496 km (0.062 R)
• M3: 1,286,990 km (0.03 R)
• M4: 2,354,222 km (0.099 R)
• M5: 3,237,597 km (0.085 R)
• M6: 3,747,875 km (0.087 R)
• M7: 4,524,737 km (0.107 R)
• M8: 5,078,997 km (0.115 R)
• M9: 6,781,720 km (0.064 R)
• M10: 7,565,314 km (0.066 R)
• M11: 8,775,411 km (0.109 R)
• M12: 9,475,828 km (0.118 R)
• M13: 9,906,969 km (0.07 R)
• M14: 10,880,403 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.8

Radius: 12.8

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.87 AU - 2.15 AU

Year: 1900 Days

Day: 9.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,607,429 km

• M1: 175,179 km (0.074 R)
• M2: 877,691 km (0.116 R)
• M3: 1,807,890 km (0.073 R)
• M4: 2,654,614 km (0.114 R)
• M5: 4,381,871 km (0.05 R)
• M6: 4,994,325 km (0.12 R)
• M7: 6,417,449 km (0.037 R)
• M8: 6,901,399 km (0.112 R)
• M9: 7,584,612 km (0.106 R)
• M10: 8,126,306 km (0.096 R)
• M11: 8,758,357 km (0.053 R)
• M12: 9,253,675 km (0.1 R)
• M13: 9,732,837 km (0.074 R)
• M14: 10,336,914 km (0.085 R)
• M15: 10,965,973 km (0.049 R)
• M16: 12,546,923 km (0.037 R)
• M17: 15,196,451 km (0.072 R)
• M18: 16,652,337 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.6

Radius: 12.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.1 AU - 2.18 AU

Year: 2088 Days

Day: 5.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,607,429 km

• M1: 153,487 km (0.099 R)
• M2: 539,001 km (0.096 R)
• M3: 1,174,194 km (0.097 R)
• M4: 1,678,787 km (0.08 R)
• M5: 2,142,092 km (0.045 R)
• M6: 3,049,403 km (0.072 R)
• M7: 5,249,988 km (0.104 R)
• M8: 7,173,517 km (0.113 R)
• M9: 8,038,941 km (0.097 R)
• M10: 9,403,273 km (0.12 R)
• M11: 10,882,048 km (0.074 R)
• M12: 11,950,626 km (0.103 R)
• M13: 12,624,714 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.7

Radius: 11

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.28 AU - 2.86 AU

Year: 2747 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,607,429 km

• M1: 136,732 km (0.096 R)
• M2: 543,788 km (0.096 R)
• M3: 917,783 km (0.118 R)
• M4: 1,453,194 km (0.1 R)
• M5: 1,799,513 km (0.073 R)
• M6: 2,167,075 km (0.059 R)
• M7: 2,637,710 km (0.106 R)
• M8: 3,027,562 km (0.059 R)
• M9: 3,520,337 km (0.077 R)
• M10: 4,192,929 km (0.111 R)
• M11: 5,414,545 km (0.053 R)
• M12: 6,606,840 km (0.065 R)
• M13: 6,988,764 km (0.12 R)
• M14: 8,166,548 km (0.079 R)
• M15: 8,637,033 km (0.077 R)
• M16: 9,094,503 km (0.104 R)
• M17: 9,729,546 km (0.115 R)
• M18: 10,876,812 km (0.114 R)
• M19: 11,776,344 km (0.118 R)
• M20: 12,187,589 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 13.1

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.11 AU - 3.15 AU

Year: 2844 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,607,429 km

• M1: 162,912 km (0.11 R)
• M2: 1,119,441 km (0.089 R)
• M3: 2,134,911 km (0.12 R)
• M4: 2,926,284 km (0.113 R)
• M5: 3,444,042 km (0.085 R)
• M6: 5,152,151 km (0.081 R)
• M7: 5,845,836 km (0.12 R)
• M8: 6,891,525 km (0.082 R)
• M9: 7,602,863 km (0.058 R)
• M10: 8,588,713 km (0.085 R)
• M11: 10,451,655 km (0.061 R)
• M12: 11,846,655 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.1

Radius: 14.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.47 AU - 3.59 AU

Year: 4423 Days

Day: 12.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,607,429 km

• M1: 180,265 km (0.076 R)
• M2: 641,476 km (0.042 R)
• M3: 1,217,727 km (0.115 R)
• M4: 1,725,611 km (0.105 R)
• M5: 2,478,538 km (0.086 R)
• M6: 3,016,641 km (0.102 R)
• M7: 3,537,092 km (0.096 R)
• M8: 5,523,752 km (0.063 R)
• M9: 5,975,537 km (0.084 R)
• M10: 7,674,520 km (0.094 R)
• M11: 9,376,645 km (0.111 R)
• M12: 10,779,125 km (0.083 R)
• M13: 13,046,580 km (0.108 R)
• M14: 15,879,814 km (0.09 R)
• M15: 17,299,647 km (0.108 R)
• M16: 18,802,508 km (0.06 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 14.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.45 AU - 5.97 AU

Year: 7930 Days

Day: 11.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,607,429 km

• M1: 184,005 km (0.086 R)
• M2: 682,166 km (0.092 R)
• M3: 1,784,403 km (0.07 R)
• M4: 2,515,937 km (0.055 R)
• M5: 3,038,931 km (0.109 R)
• M6: 3,745,183 km (0.059 R)
• M7: 5,259,113 km (0.093 R)
• M8: 6,313,928 km (0.117 R)
• M9: 7,255,796 km (0.116 R)
• M10: 7,760,988 km (0.12 R)
• M11: 8,251,071 km (0.074 R)
• M12: 9,890,514 km (0.088 R)
• M13: 12,692,332 km (0.09 R)
• M14: 14,136,700 km (0.113 R)
• M15: 16,597,585 km (0.085 R)
• M16: 23,662,793 km (0.083 R)
• M17: 24,616,778 km (0.11 R)
• M18: 25,679,073 km (0.073 R)
• M19: 28,158,658 km (0.064 R)
• M20: 29,320,435 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 16,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit