🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.7

Radius: 13.5

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.72 AU - 0.78 AU

Year: 426 Days

Day: 11.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,082,980 km

• M1: 167,849 km (0.099 R)
• M2: 616,642 km (0.109 R)
• M3: 1,149,959 km (0.1 R)
• M4: 1,664,276 km (0.068 R)
• M5: 2,137,155 km (0.119 R)
• M6: 3,409,784 km (0.071 R)
• M7: 4,325,024 km (0.09 R)
• M8: 5,874,260 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.3

Radius: 13.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.03 AU - 1.11 AU

Year: 726 Days

Day: 5.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,082,980 km

• M1: 164,258 km (0.108 R)
• M2: 593,455 km (0.049 R)
• M3: 1,082,789 km (0.045 R)
• M4: 1,678,488 km (0.09 R)
• M5: 2,375,165 km (0.053 R)
• M6: 3,491,016 km (0.083 R)
• M7: 4,650,100 km (0.08 R)
• M8: 5,765,652 km (0.081 R)
• M9: 6,227,311 km (0.11 R)
• M10: 7,379,813 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.8

Radius: 8.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.88 AU - 1.46 AU

Year: 830 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,082,980 km

• M1: 104,419 km (0.108 R)
• M2: 410,197 km (0.039 R)
• M3: 716,873 km (0.106 R)
• M4: 1,087,277 km (0.091 R)
• M5: 1,776,924 km (0.071 R)
• M6: 2,057,420 km (0.09 R)
• M7: 2,338,364 km (0.04 R)
• M8: 2,613,026 km (0.119 R)
• M9: 3,716,460 km (0.108 R)
• M10: 4,063,976 km (0.078 R)
• M11: 4,463,552 km (0.114 R)
• M12: 5,272,876 km (0.05 R)
• M13: 5,969,553 km (0.115 R)
• M14: 6,526,207 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 8.8

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.22 AU - 1.3 AU

Year: 928 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,082,980 km

• M1: 110,702 km (0.115 R)
• M2: 411,095 km (0.049 R)
• M3: 767,287 km (0.075 R)
• M4: 1,102,237 km (0.1 R)
• M5: 1,805,198 km (0.087 R)
• M6: 2,953,062 km (0.074 R)
• M7: 3,404,100 km (0.095 R)
• M8: 4,039,591 km (0.089 R)
• M9: 4,377,682 km (0.056 R)
• M10: 4,911,298 km (0.082 R)
• M11: 7,277,338 km (0.092 R)
• M12: 7,902,358 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 11.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.27 AU - 1.41 AU

Year: 1018 Days

Day: 11.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,082,980 km

• M1: 148,251 km (0.06 R)
• M2: 958,174 km (0.034 R)
• M3: 1,401,134 km (0.068 R)
• M4: 1,996,533 km (0.065 R)
• M5: 2,421,092 km (0.065 R)
• M6: 3,162,349 km (0.037 R)
• M7: 3,664,998 km (0.045 R)
• M8: 4,245,438 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.2

Radius: 9.2

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.75 AU - 2.03 AU

Year: 1705 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 23,082,980 km

• M1: 114,442 km (0.097 R)
• M2: 409,001 km (0.109 R)
• M3: 772,075 km (0.086 R)
• M4: 1,170,304 km (0.106 R)
• M5: 1,478,625 km (0.093 R)
• M6: 1,885,382 km (0.036 R)
• M7: 3,206,780 km (0.06 R)
• M8: 3,504,779 km (0.047 R)
• M9: 4,157,026 km (0.105 R)
• M10: 4,451,733 km (0.081 R)
• M11: 5,127,617 km (0.111 R)
• M12: 5,490,391 km (0.069 R)
• M13: 6,293,134 km (0.064 R)
• M14: 7,227,821 km (0.06 R)
• M15: 7,831,449 km (0.106 R)
• M16: 8,375,237 km (0.074 R)
• M17: 9,639,937 km (0.065 R)
• M18: 10,088,581 km (0.119 R)
• M19: 11,290,151 km (0.034 R)
• M20: 11,633,778 km (0.097 R)
• M21: 12,261,939 km (0.108 R)
• M22: 13,586,030 km (0.048 R)
• M23: 14,371,419 km (0.115 R)
• M24: 15,325,703 km (0.091 R)
• M25: 15,984,832 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 13.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.72 AU - 4.18 AU

Year: 4204 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,082,980 km

• M1: 172,935 km (0.074 R)
• M2: 686,804 km (0.099 R)
• M3: 1,507,498 km (0.096 R)
• M4: 1,979,778 km (0.06 R)
• M5: 2,552,140 km (0.103 R)
• M6: 3,048,356 km (0.081 R)
• M7: 4,940,021 km (0.108 R)
• M8: 5,386,571 km (0.06 R)
• M9: 8,965,700 km (0.087 R)
• M10: 9,473,734 km (0.064 R)
• M11: 12,644,012 km (0.105 R)
• M12: 13,688,205 km (0.119 R)
• M13: 14,951,260 km (0.055 R)
• M14: 15,499,835 km (0.106 R)
• M15: 16,637,527 km (0.084 R)
• M16: 18,510,044 km (0.116 R)
• M17: 21,542,243 km (0.044 R)
• M18: 22,527,195 km (0.082 R)
• M19: 23,249,155 km (0.117 R)
• M20: 24,967,885 km (0.106 R)
• M21: 26,930,758 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.7

Radius: 14.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.66 AU - 6.16 AU

Year: 8255 Days

Day: 11.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 144 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,082,980 km

• M1: 184,005 km (0.118 R)
• M2: 1,316,910 km (0.096 R)
• M3: 3,139,162 km (0.119 R)
• M4: 3,719,601 km (0.083 R)
• M5: 4,681,965 km (0.071 R)
• M6: 6,909,477 km (0.073 R)
• M7: 7,816,638 km (0.082 R)
• M8: 8,981,407 km (0.1 R)
• M9: 9,629,615 km (0.058 R)
• M10: 10,660,195 km (0.119 R)
• M11: 11,440,348 km (0.075 R)
• M12: 11,926,690 km (0.112 R)
• M13: 14,011,636 km (0.095 R)
• M14: 17,723,309 km (0.112 R)
• M15: 18,893,912 km (0.049 R)
• M16: 22,970,603 km (0.113 R)
• M17: 23,485,819 km (0.113 R)
• M18: 25,900,777 km (0.092 R)
• M19: 26,930,758 km (0.098 R)
• M20: 28,280,729 km (0.111 R)
• M21: 32,172,219 km (0.074 R)
• M22: 38,900,982 km (0.098 R)
• M23: 42,015,160 km (0.115 R)
• M24: 43,306,190 km (0.041 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17

Radius: 3.6

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.91 AU - 11.39 AU

Year: 21213 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,082,980 km

• M1: 45,328 km (0.09 R)
• M2: 195,375 km (0.108 R)
• M3: 473,477 km (0.048 R)
• M4: 685,607 km (0.118 R)
• M5: 806,781 km (0.073 R)
• M6: 11,446,631 km (0.1 R)
• M7: 14,545,551 km (0.09 R)
• M8: 17,291,419 km (0.098 R)
• M9: 20,747,579 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 17,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit