🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 14.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.71 AU - 0.77 AU

Year: 439 Days

Day: 7.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,838,356 km

• M1: 176,525 km (0.108 R)
• M2: 635,641 km (0.115 R)
• M3: 1,080,396 km (0.051 R)
• M4: 1,529,489 km (0.083 R)
• M5: 2,002,517 km (0.047 R)
• M6: 2,921,347 km (0.099 R)
• M7: 3,368,196 km (0.115 R)
• M8: 4,485,842 km (0.049 R)
• M9: 4,949,296 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.7

Radius: 12.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.75 AU - 0.77 AU

Year: 457 Days

Day: 8.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,838,356 km

• M1: 156,629 km (0.074 R)
• M2: 564,134 km (0.115 R)
• M3: 1,514,828 km (0.04 R)
• M4: 1,996,084 km (0.053 R)
• M5: 2,579,366 km (0.055 R)
• M6: 3,997,106 km (0.104 R)
• M7: 4,396,981 km (0.105 R)
• M8: 5,070,769 km (0.067 R)
• M9: 5,490,840 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.4

Radius: 9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.64 AU - 1.04 AU

Year: 531 Days

Day: 6.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,838,356 km

• M1: 111,899 km (0.09 R)
• M2: 475,422 km (0.09 R)
• M3: 959,670 km (0.118 R)
• M4: 1,289,234 km (0.098 R)
• M5: 1,794,576 km (0.111 R)
• M6: 2,126,683 km (0.096 R)
• M7: 2,536,731 km (0.07 R)
• M8: 2,895,916 km (0.049 R)
• M9: 3,876,829 km (0.107 R)
• M10: 4,423,160 km (0.093 R)
• M11: 4,829,767 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.4

Radius: 13.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.83 AU - 0.89 AU

Year: 551 Days

Day: 11.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,838,356 km

• M1: 172,935 km (0.105 R)
• M2: 644,468 km (0.112 R)
• M3: 1,290,880 km (0.118 R)
• M4: 1,845,888 km (0.071 R)
• M5: 2,297,075 km (0.096 R)
• M6: 2,891,876 km (0.11 R)
• M7: 3,340,670 km (0.045 R)
• M8: 3,848,405 km (0.052 R)
• M9: 4,721,608 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.6

Radius: 8.9

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.35 AU - 1.59 AU

Year: 1230 Days

Day: 7.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,838,356 km

• M1: 110,702 km (0.065 R)
• M2: 389,403 km (0.107 R)
• M3: 789,877 km (0.111 R)
• M4: 1,327,232 km (0.112 R)
• M5: 2,443,232 km (0.066 R)
• M6: 2,924,040 km (0.088 R)
• M7: 3,278,737 km (0.048 R)
• M8: 3,662,006 km (0.118 R)
• M9: 5,051,770 km (0.066 R)
• M10: 5,343,636 km (0.065 R)
• M11: 6,353,870 km (0.075 R)
• M12: 7,023,022 km (0.079 R)
• M13: 7,738,399 km (0.099 R)
• M14: 8,048,365 km (0.116 R)
• M15: 8,665,457 km (0.107 R)
• M16: 8,971,684 km (0.069 R)
• M17: 9,605,679 km (0.025 R)
• M18: 10,424,279 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.7

Radius: 11.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.17 AU - 3.19 AU

Year: 3028 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,838,356 km

• M1: 150,795 km (0.11 R)
• M2: 722,259 km (0.093 R)
• M3: 1,107,024 km (0.047 R)
• M4: 1,706,762 km (0.103 R)
• M5: 2,600,011 km (0.095 R)
• M6: 3,545,470 km (0.104 R)
• M7: 4,207,141 km (0.073 R)
• M8: 4,772,471 km (0.03 R)
• M9: 5,223,359 km (0.06 R)
• M10: 6,396,506 km (0.063 R)
• M11: 8,491,026 km (0.026 R)
• M12: 11,241,382 km (0.078 R)
• M13: 12,754,116 km (0.064 R)
• M14: 14,031,532 km (0.099 R)
• M15: 14,537,771 km (0.115 R)
• M16: 15,344,104 km (0.116 R)
• M17: 16,583,822 km (0.109 R)
• M18: 17,782,250 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.7

Radius: 7.4

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.01 AU - 10.85 AU

Year: 18420 Days

Day: 18.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,838,356 km

• M1: 94,097 km (0.094 R)
• M2: 333,005 km (0.111 R)
• M3: 596,896 km (0.092 R)
• M4: 920,625 km (0.047 R)
• M5: 2,224,371 km (0.068 R)
• M6: 3,137,217 km (0.103 R)
• M7: 7,053,540 km (0.082 R)
• M8: 8,118,228 km (0.102 R)
• M9: 9,235,574 km (0.116 R)
• M10: 10,618,307 km (0.111 R)
• M11: 11,831,696 km (0.09 R)
• M12: 15,732,011 km (0.11 R)
• M13: 18,734,141 km (0.066 R)
• M14: 19,310,692 km (0.045 R)
• M15: 21,288,525 km (0.039 R)
• M16: 22,741,420 km (0.112 R)
• M17: 23,492,251 km (0.093 R)
• M18: 34,074,655 km (0.057 R)
• M19: 35,057,214 km (0.073 R)
• M20: 36,566,208 km (0.04 R)
• M21: 36,821,870 km (0.088 R)
• M22: 37,856,489 km (0.093 R)
• M23: 41,214,513 km (0.057 R)
• M24: 43,179,032 km (0.096 R)
• M25: 43,464,614 km (0.063 R)
• M26: 45,795,499 km (0.097 R)
• M27: 48,055,174 km (0.094 R)
• M28: 50,546,278 km (0.091 R)
• M29: 53,122,204 km (0.082 R)
• M30: 56,123,287 km (0.116 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: 152 - 19,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit