🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.1

Radius: 9.6

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.47 AU - 0.67 AU

Year: 287 Days

Day: 9.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 57,193,263 km

• M1: 121,324 km (0.095 R)
• M2: 442,511 km (0.067 R)
• M3: 875,148 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624

Radius: 13.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.58 AU - 0.68 AU

Year: 333 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,193,263 km

• M1: 168,298 km (0.066 R)
• M2: 738,265 km (0.114 R)
• M3: 1,269,787 km (0.038 R)
• M4: 1,700,778 km (0.045 R)
• M5: 2,143,588 km (0.049 R)
• M6: 2,701,438 km (0.104 R)
• M7: 3,344,709 km (0.091 R)
• M8: 4,316,946 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.7

Radius: 15

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.56 AU - 3.12 AU

Year: 3192 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,193,263 km

• M1: 186,549 km (0.085 R)
• M2: 694,583 km (0.117 R)
• M3: 1,254,378 km (0.098 R)
• M4: 2,314,877 km (0.114 R)
• M5: 2,905,490 km (0.103 R)
• M6: 3,435,665 km (0.099 R)
• M7: 4,250,973 km (0.091 R)
• M8: 6,622,249 km (0.102 R)
• M9: 8,464,098 km (0.079 R)
• M10: 9,380,534 km (0.095 R)
• M11: 10,212,598 km (0.114 R)
• M12: 13,138,732 km (0.104 R)
• M13: 15,474,254 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.6

Radius: 12.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.17 AU - 3.25 AU

Year: 3835 Days

Day: 9.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,193,263 km

• M1: 156,180 km (0.115 R)
• M2: 631,602 km (0.064 R)
• M3: 1,331,870 km (0.086 R)
• M4: 1,723,517 km (0.057 R)
• M5: 2,115,912 km (0.114 R)
• M6: 3,964,643 km (0.098 R)
• M7: 5,815,468 km (0.09 R)
• M8: 7,831,000 km (0.055 R)
• M9: 8,789,324 km (0.06 R)
• M10: 10,429,365 km (0.088 R)
• M11: 11,139,357 km (0.032 R)
• M12: 11,589,048 km (0.111 R)
• M13: 12,008,371 km (0.078 R)
• M14: 12,568,615 km (0.119 R)
• M15: 12,966,545 km (0.117 R)
• M16: 14,450,556 km (0.108 R)
• M17: 16,619,127 km (0.06 R)
• M18: 17,975,381 km (0.108 R)
• M19: 18,368,075 km (0.083 R)
• M20: 19,404,190 km (0.11 R)

Asteroid Belt

Center: 4.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 12.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.14 AU - 5.84 AU

Year: 7433 Days

Day: 6.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,193,263 km

• M1: 156,779 km (0.096 R)
• M2: 772,224 km (0.111 R)
• M3: 1,528,890 km (0.116 R)
• M4: 2,037,673 km (0.108 R)
• M5: 5,728,701 km (0.115 R)
• M6: 6,143,536 km (0.045 R)
• M7: 11,348,195 km (0.093 R)
• M8: 13,157,282 km (0.074 R)
• M9: 14,130,716 km (0.099 R)
• M10: 16,057,536 km (0.059 R)
• M11: 22,065,536 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.2

Radius: 4

Gravity: 26.08 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.01 AU - 9.11 AU

Year: 16701 Days

Day: 21.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,193,263 km

• M1: 49,816 km (0.114 R)
• M2: 223,948 km (0.056 R)
• M3: 727,046 km (0.109 R)
• M4: 1,251,237 km (0.108 R)
• M5: 2,159,894 km (0.071 R)
• M6: 2,335,522 km (0.103 R)
• M7: 3,111,636 km (0.071 R)
• M8: 4,529,973 km (0.058 R)
• M9: 6,448,715 km (0.102 R)
• M10: 6,690,615 km (0.119 R)
• M11: 7,149,881 km (0.062 R)
• M12: 7,900,563 km (0.103 R)
• M13: 8,702,407 km (0.112 R)
• M14: 11,965,735 km (0.117 R)
• M15: 14,819,913 km (0.11 R)
• M16: 15,742,782 km (0.062 R)
• M17: 16,403,706 km (0.066 R)
• M18: 17,624,125 km (0.095 R)
• M19: 18,740,424 km (0.114 R)
• M20: 19,566,055 km (0.097 R)
• M21: 21,201,160 km (0.086 R)
• M22: 29,417,075 km (0.099 R)
• M23: 30,305,836 km (0.066 R)
• M24: 30,983,963 km (0.12 R)
• M25: 36,396,264 km (0.066 R)
• M26: 37,939,067 km (0.101 R)
• M27: 44,401,845 km (0.073 R)
• M28: 46,459,713 km (0.1 R)
• M29: 53,668,236 km (0.097 R)
• M30: 55,328,174 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 17,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit