🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.5

Radius: 10.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.46 AU - 0.76 AU

Year: 335 Days

Day: 7.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,621,139 km

• M1: 128,205 km (0.111 R)
• M2: 476,619 km (0.097 R)
• M3: 819,796 km (0.032 R)
• M4: 1,592,918 km (0.059 R)
• M5: 2,437,697 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313

Radius: 11.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.82 AU - 3 AU

Year: 2630 Days

Day: 14.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,621,139 km

• M1: 148,999 km (0.073 R)
• M2: 602,580 km (0.094 R)
• M3: 989,889 km (0.056 R)
• M4: 1,724,863 km (0.101 R)
• M5: 2,114,267 km (0.085 R)
• M6: 2,616,467 km (0.08 R)
• M7: 3,340,072 km (0.111 R)
• M8: 3,723,491 km (0.117 R)
• M9: 4,660,572 km (0.095 R)
• M10: 5,701,773 km (0.083 R)
• M11: 6,918,453 km (0.043 R)
• M12: 8,034,154 km (0.049 R)
• M13: 10,479,032 km (0.11 R)
• M14: 12,101,869 km (0.113 R)
• M15: 13,095,498 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.4

Radius: 13.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.21 AU - 3.85 AU

Year: 4662 Days

Day: 6.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,621,139 km

• M1: 167,998 km (0.12 R)
• M2: 814,261 km (0.094 R)
• M3: 1,541,756 km (0.095 R)
• M4: 2,207,317 km (0.116 R)
• M5: 2,737,641 km (0.105 R)
• M6: 3,646,598 km (0.073 R)
• M7: 4,182,457 km (0.09 R)
• M8: 7,261,929 km (0.118 R)
• M9: 8,049,413 km (0.106 R)
• M10: 9,246,794 km (0.065 R)
• M11: 10,020,514 km (0.088 R)
• M12: 11,655,021 km (0.077 R)
• M13: 13,507,341 km (0.088 R)
• M14: 14,945,575 km (0.058 R)
• M15: 15,907,938 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.2

Radius: 12

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.55 AU - 4.65 AU

Year: 5836 Days

Day: 13.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,621,139 km

• M1: 149,299 km (0.107 R)
• M2: 1,183,618 km (0.106 R)
• M3: 1,842,148 km (0.067 R)
• M4: 4,030,017 km (0.105 R)
• M5: 4,660,722 km (0.115 R)
• M6: 5,967,908 km (0.064 R)
• M7: 8,272,613 km (0.066 R)
• M8: 9,919,536 km (0.104 R)
• M9: 12,558,891 km (0.084 R)
• M10: 15,232,654 km (0.112 R)
• M11: 15,635,221 km (0.065 R)
• M12: 16,163,003 km (0.045 R)
• M13: 16,763,489 km (0.109 R)
• M14: 17,378,785 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.7

Radius: 11.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.95 AU - 4.87 AU

Year: 6510 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,621,139 km

• M1: 143,165 km (0.079 R)
• M2: 999,314 km (0.095 R)
• M3: 1,560,605 km (0.097 R)
• M4: 2,386,684 km (0.029 R)
• M5: 2,752,152 km (0.106 R)
• M6: 3,308,656 km (0.095 R)
• M7: 4,570,065 km (0.116 R)
• M8: 5,731,992 km (0.05 R)
• M9: 8,304,776 km (0.098 R)
• M10: 9,311,420 km (0.078 R)
• M11: 9,993,138 km (0.071 R)
• M12: 11,529,508 km (0.08 R)
• M13: 13,746,698 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.8

Radius: 5.1

Gravity: 37.63 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.79 AU - 8.57 AU

Year: 14961 Days

Day: 20.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,621,139 km

• M1: 63,429 km (0.111 R)
• M2: 316,100 km (0.083 R)
• M3: 517,459 km (0.09 R)
• M4: 707,598 km (0.045 R)
• M5: 1,483,263 km (0.087 R)
• M6: 1,949,559 km (0.12 R)
• M7: 2,485,569 km (0.097 R)
• M8: 3,062,717 km (0.113 R)
• M9: 3,300,877 km (0.104 R)
• M10: 3,666,494 km (0.091 R)
• M11: 3,844,067 km (0.079 R)
• M12: 4,681,516 km (0.033 R)
• M13: 4,997,915 km (0.084 R)
• M14: 5,595,409 km (0.111 R)
• M15: 6,450,211 km (0.076 R)
• M16: 6,622,399 km (0.076 R)
• M17: 7,249,513 km (0.096 R)
• M18: 8,725,296 km (0.084 R)
• M19: 9,589,074 km (0.096 R)
• M20: 10,627,433 km (0.11 R)
• M21: 10,867,986 km (0.111 R)
• M22: 12,993,173 km (0.099 R)
• M23: 14,116,803 km (0.09 R)
• M24: 18,733,693 km (0.037 R)
• M25: 18,908,722 km (0.074 R)
• M26: 19,262,072 km (0.12 R)
• M27: 20,906,751 km (0.064 R)
• M28: 22,347,080 km (0.087 R)
• M29: 24,998,103 km (0.063 R)
• M30: 25,530,821 km (0.115 R)
• M31: 29,238,605 km (0.059 R)
• M32: 30,914,400 km (0.093 R)
• M33: 31,404,782 km (0.066 R)
• M34: 36,733,608 km (0.074 R)
• M35: 39,682,630 km (0.115 R)
• M36: 46,847,022 km (0.09 R)
• M37: 48,310,688 km (0.097 R)
• M38: 59,607,720 km (0.116 R)
• M39: 62,488,377 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 16,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit