🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.4

Radius: 13

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.57 AU - 0.83 AU

Year: 397 Days

Day: 12.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 147.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,900,187 km

• M1: 161,715 km (0.115 R)
• M2: 580,889 km (0.088 R)
• M3: 1,404,874 km (0.045 R)
• M4: 2,124,739 km (0.1 R)
• M5: 2,604,499 km (0.107 R)
• M6: 3,624,457 km (0.119 R)
• M7: 4,527,280 km (0.113 R)
• M8: 4,970,838 km (0.116 R)
• M9: 5,607,826 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.9

Radius: 8.9

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.73 AU - 1.07 AU

Year: 579 Days

Day: 7 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,900,187 km

• M1: 110,702 km (0.095 R)
• M2: 391,498 km (0.055 R)
• M3: 742,604 km (0.067 R)
• M4: 1,044,792 km (0.035 R)
• M5: 1,338,452 km (0.065 R)
• M6: 1,703,321 km (0.092 R)
• M7: 2,054,577 km (0.101 R)
• M8: 2,375,913 km (0.06 R)
• M9: 2,784,316 km (0.093 R)
• M10: 3,409,784 km (0.041 R)
• M11: 3,809,360 km (0.079 R)
• M12: 4,139,971 km (0.118 R)
• M13: 5,282,301 km (0.107 R)
• M14: 6,239,727 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863

Radius: 8.7

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.95 AU - 0.97 AU

Year: 638 Days

Day: 11.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,900,187 km

• M1: 112,647 km (0.104 R)
• M2: 476,170 km (0.049 R)
• M3: 747,690 km (0.105 R)
• M4: 1,428,660 km (0.084 R)
• M5: 2,061,758 km (0.082 R)
• M6: 2,369,181 km (0.088 R)
• M7: 2,906,238 km (0.104 R)
• M8: 3,632,835 km (0.032 R)
• M9: 4,114,839 km (0.112 R)
• M10: 4,459,363 km (0.115 R)
• M11: 5,012,426 km (0.026 R)
• M12: 5,839,553 km (0.12 R)
• M13: 6,501,823 km (0.093 R)
• M14: 6,776,036 km (0.116 R)
• M15: 7,762,334 km (0.065 R)
• M16: 8,095,489 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 14.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.1 AU - 1.4 AU

Year: 948 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,900,187 km

• M1: 176,525 km (0.066 R)
• M2: 660,624 km (0.112 R)
• M3: 1,120,488 km (0.08 R)
• M4: 1,665,323 km (0.083 R)
• M5: 2,122,644 km (0.04 R)
• M6: 2,697,100 km (0.089 R)
• M7: 3,312,246 km (0.05 R)
• M8: 3,768,819 km (0.088 R)
• M9: 4,388,005 km (0.095 R)
• M10: 5,024,244 km (0.073 R)
• M11: 5,980,624 km (0.11 R)
• M12: 6,462,927 km (0.107 R)
• M13: 7,182,044 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.6

Radius: 12.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.49 AU - 1.83 AU

Year: 1451 Days

Day: 9.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,900,187 km

• M1: 154,235 km (0.072 R)
• M2: 562,189 km (0.038 R)
• M3: 1,405,173 km (0.112 R)
• M4: 1,828,535 km (0.1 R)
• M5: 2,482,427 km (0.09 R)
• M6: 2,882,601 km (0.081 R)
• M7: 3,537,990 km (0.097 R)
• M8: 3,989,177 km (0.082 R)
• M9: 5,862,292 km (0.038 R)
• M10: 6,476,989 km (0.114 R)
• M11: 7,046,957 km (0.072 R)
• M12: 7,490,515 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603

Radius: 8.1

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.14 AU - 3.64 AU

Year: 4233 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 25,900,187 km

• M1: 115,490 km (0.072 R)
• M2: 431,291 km (0.066 R)
• M3: 869,313 km (0.05 R)
• M4: 1,132,755 km (0.099 R)
• M5: 1,396,945 km (0.103 R)
• M6: 2,936,157 km (0.102 R)
• M7: 3,645,251 km (0.097 R)
• M8: 3,985,287 km (0.106 R)
• M9: 4,704,703 km (0.073 R)
• M10: 6,101,948 km (0.102 R)
• M11: 6,490,603 km (0.086 R)
• M12: 6,800,719 km (0.083 R)
• M13: 7,055,933 km (0.085 R)
• M14: 7,825,614 km (0.094 R)
• M15: 9,531,030 km (0.079 R)
• M16: 10,303,105 km (0.079 R)
• M17: 10,640,298 km (0.101 R)
• M18: 11,515,745 km (0.066 R)
• M19: 13,659,782 km (0.091 R)
• M20: 16,972,926 km (0.111 R)
• M21: 17,682,319 km (0.07 R)
• M22: 19,864,652 km (0.115 R)
• M23: 20,190,477 km (0.119 R)
• M24: 21,324,877 km (0.115 R)
• M25: 21,873,153 km (0.025 R)
• M26: 22,713,146 km (0.103 R)
• M27: 24,013,151 km (0.117 R)
• M28: 24,982,545 km (0.101 R)
• M29: 25,515,114 km (0.059 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: 500 - 12,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit