🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.78 AU - 1.12 AU

Year: 651 Days

Day: 5.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,939,757 km

• M1: 112,348 km (0.104 R)
• M2: 401,521 km (0.098 R)
• M3: 1,144,274 km (0.1 R)
• M4: 1,475,933 km (0.03 R)
• M5: 1,966,464 km (0.106 R)
• M6: 2,520,575 km (0.114 R)
• M7: 2,834,880 km (0.116 R)
• M8: 3,150,980 km (0.072 R)
• M9: 3,464,687 km (0.1 R)
• M10: 3,827,013 km (0.117 R)
• M11: 4,596,395 km (0.093 R)
• M12: 4,918,628 km (0.116 R)
• M13: 5,483,211 km (0.099 R)
• M14: 6,090,429 km (0.087 R)
• M15: 6,440,039 km (0.1 R)
• M16: 7,265,370 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.6

Radius: 12.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.06 AU - 1.45 AU

Year: 982 Days

Day: 6 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,939,757 km

• M1: 160,668 km (0.084 R)
• M2: 626,217 km (0.107 R)
• M3: 1,181,075 km (0.093 R)
• M4: 2,293,635 km (0.078 R)
• M5: 4,089,856 km (0.057 R)
• M6: 5,317,606 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 9.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.25 AU - 1.55 AU

Year: 1164 Days

Day: 10.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,939,757 km

• M1: 124,465 km (0.103 R)
• M2: 627,264 km (0.085 R)
• M3: 1,566,888 km (0.105 R)
• M4: 1,894,507 km (0.086 R)
• M5: 2,222,725 km (0.112 R)
• M6: 2,995,997 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.1

Radius: 11.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.4 AU - 1.68 AU

Year: 1343 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,939,757 km

• M1: 141,819 km (0.12 R)
• M2: 507,286 km (0.112 R)
• M3: 1,038,658 km (0.081 R)
• M4: 1,461,272 km (0.066 R)
• M5: 1,959,433 km (0.119 R)
• M6: 2,593,429 km (0.096 R)
• M7: 3,012,452 km (0.076 R)
• M8: 4,657,879 km (0.119 R)
• M9: 5,144,820 km (0.041 R)
• M10: 5,748,597 km (0.106 R)
• M11: 6,133,064 km (0.061 R)
• M12: 6,557,772 km (0.116 R)
• M13: 7,073,885 km (0.051 R)
• M14: 7,950,977 km (0.113 R)
• M15: 8,511,072 km (0.096 R)
• M16: 9,125,919 km (0.055 R)
• M17: 10,073,023 km (0.077 R)
• M18: 10,538,871 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.2

Radius: 3

Gravity: 80.36 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.69 AU - 6.07 AU

Year: 10022 Days

Day: 17.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,939,757 km

• M1: 56,249 km (0.117 R)
• M2: 215,720 km (0.067 R)
• M3: 361,877 km (0.089 R)
• M4: 458,069 km (0.098 R)
• M5: 571,763 km (0.108 R)
• M6: 1,906,625 km (0.083 R)
• M7: 2,354,371 km (0.071 R)
• M8: 2,781,473 km (0.084 R)
• M9: 3,428,334 km (0.111 R)
• M10: 3,630,292 km (0.042 R)
• M11: 3,920,661 km (0.091 R)
• M12: 4,853,853 km (0.1 R)
• M13: 7,685,740 km (0.084 R)
• M14: 7,900,563 km (0.034 R)
• M15: 8,208,136 km (0.078 R)
• M16: 10,587,490 km (0.117 R)
• M17: 13,022,195 km (0.103 R)
• M18: 18,192,148 km (0.052 R)
• M19: 22,510,291 km (0.09 R)
• M20: 23,664,738 km (0.117 R)
• M21: 24,027,812 km (0.089 R)
• M22: 26,091,065 km (0.076 R)
• M23: 26,673,600 km (0.096 R)
• M24: 31,759,329 km (0.1 R)
• M25: 34,936,937 km (0.12 R)
• M26: 37,823,727 km (0.113 R)
• M27: 39,198,382 km (0.048 R)
• M28: 45,727,581 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.1

Radius: 3.8

Gravity: 16.42 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.53 AU - 10.29 AU

Year: 20291 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,939,757 km

• M1: 115,190 km (0.083 R)
• M2: 546,331 km (0.073 R)
• M3: 1,863,391 km (0.106 R)
• M4: 2,754,994 km (0.119 R)
• M5: 3,074,984 km (0.089 R)
• M6: 4,796,257 km (0.106 R)
• M7: 5,465,857 km (0.088 R)
• M8: 7,154,219 km (0.111 R)
• M9: 10,346,338 km (0.055 R)
• M10: 12,219,752 km (0.086 R)
• M11: 14,307,690 km (0.077 R)
• M12: 19,995,401 km (0.11 R)
• M13: 32,910,933 km (0.026 R)
• M14: 34,206,451 km (0.096 R)
• M15: 34,927,213 km (0.056 R)
• M16: 35,780,968 km (0.111 R)
• M17: 36,151,073 km (0.107 R)
• M18: 36,523,722 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 15,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit