🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 8.2

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.65 AU - 0.97 AU

Year: 503 Days

Day: 13.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,658,086 km

• M1: 102,026 km (0.112 R)
• M2: 369,507 km (0.114 R)
• M3: 971,788 km (0.049 R)
• M4: 1,250,040 km (0.105 R)
• M5: 1,516,324 km (0.108 R)
• M6: 1,820,905 km (0.102 R)
• M7: 2,191,459 km (0.111 R)
• M8: 2,708,021 km (0.066 R)
• M9: 3,117,171 km (0.08 R)
• M10: 3,567,012 km (0.1 R)
• M11: 3,944,896 km (0.077 R)
• M12: 5,015,119 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 10.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.83 AU - 1.23 AU

Year: 722 Days

Day: 11.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,658,086 km

• M1: 126,859 km (0.056 R)
• M2: 637,287 km (0.104 R)
• M3: 966,552 km (0.072 R)
• M4: 1,437,636 km (0.059 R)
• M5: 2,042,909 km (0.117 R)
• M6: 2,800,622 km (0.093 R)
• M7: 3,137,516 km (0.117 R)
• M8: 3,968,084 km (0.073 R)
• M9: 4,544,035 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.1

Radius: 13.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.43 AU - 1.63 AU

Year: 1306 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,658,086 km

• M1: 172,935 km (0.102 R)
• M2: 610,359 km (0.085 R)
• M3: 1,157,588 km (0.116 R)
• M4: 1,722,021 km (0.099 R)
• M5: 3,188,529 km (0.039 R)
• M6: 3,732,916 km (0.107 R)
• M7: 6,811,939 km (0.106 R)
• M8: 7,377,269 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615

Radius: 9.6

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.64 AU - 4.28 AU

Year: 5439 Days

Day: 12.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,658,086 km

• M1: 128,205 km (0.108 R)
• M2: 446,250 km (0.06 R)
• M3: 1,252,733 km (0.074 R)
• M4: 4,025,529 km (0.069 R)
• M5: 6,108,081 km (0.111 R)
• M6: 7,757,697 km (0.065 R)
• M7: 10,334,520 km (0.107 R)
• M8: 11,623,455 km (0.11 R)
• M9: 14,741,075 km (0.096 R)
• M10: 17,104,721 km (0.073 R)
• M11: 18,246,602 km (0.081 R)
• M12: 19,778,634 km (0.107 R)
• M13: 22,794,527 km (0.032 R)
• M14: 23,249,005 km (0.072 R)
• M15: 27,787,356 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 11.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.53 AU - 5.77 AU

Year: 6921 Days

Day: 9.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,658,086 km

• M1: 141,819 km (0.093 R)
• M2: 809,474 km (0.072 R)
• M3: 1,185,563 km (0.118 R)
• M4: 1,951,055 km (0.086 R)
• M5: 2,428,273 km (0.097 R)
• M6: 2,813,487 km (0.081 R)
• M7: 3,664,400 km (0.095 R)
• M8: 4,078,487 km (0.06 R)
• M9: 5,195,983 km (0.086 R)
• M10: 5,720,473 km (0.113 R)
• M11: 7,728,525 km (0.099 R)
• M12: 8,180,610 km (0.056 R)
• M13: 8,610,405 km (0.1 R)
• M14: 10,257,627 km (0.06 R)
• M15: 10,897,158 km (0.07 R)
• M16: 12,306,968 km (0.059 R)
• M17: 16,327,411 km (0.094 R)
• M18: 17,073,455 km (0.076 R)
• M19: 21,148,501 km (0.088 R)
• M20: 21,811,070 km (0.025 R)
• M21: 23,961,091 km (0.038 R)
• M22: 24,600,622 km (0.106 R)
• M23: 25,005,882 km (0.102 R)
• M24: 28,057,679 km (0.09 R)
• M25: 29,218,259 km (0.09 R)
• M26: 30,503,604 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.5

Radius: 10.8

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.51 AU - 5.31 AU

Year: 7510 Days

Day: 11.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,658,086 km

• M1: 134,339 km (0.053 R)
• M2: 524,640 km (0.08 R)
• M3: 1,333,366 km (0.08 R)
• M4: 1,752,539 km (0.04 R)
• M5: 2,631,726 km (0.11 R)
• M6: 3,256,895 km (0.096 R)
• M7: 4,155,530 km (0.101 R)
• M8: 4,917,880 km (0.087 R)
• M9: 5,643,430 km (0.102 R)
• M10: 6,508,255 km (0.048 R)
• M11: 7,157,211 km (0.082 R)
• M12: 8,542,338 km (0.102 R)
• M13: 9,545,092 km (0.111 R)
• M14: 10,527,501 km (0.107 R)
• M15: 11,993,261 km (0.076 R)
• M16: 12,528,971 km (0.089 R)
• M17: 16,149,689 km (0.105 R)
• M18: 17,136,735 km (0.083 R)
• M19: 19,742,730 km (0.092 R)
• M20: 20,188,981 km (0.07 R)
• M21: 24,088,848 km (0.114 R)
• M22: 25,202,155 km (0.039 R)
• M23: 26,709,353 km (0.066 R)
• M24: 32,407,237 km (0.071 R)
• M25: 33,763,342 km (0.098 R)
• M26: 35,048,388 km (0.12 R)
• M27: 36,143,893 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.6

Radius: 7.9

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.84 AU - 6.86 AU

Year: 12375 Days

Day: 21.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,658,086 km

• M1: 98,585 km (0.061 R)
• M2: 559,945 km (0.081 R)
• M3: 822,190 km (0.101 R)
• M4: 1,204,562 km (0.106 R)
• M5: 2,254,440 km (0.106 R)
• M6: 2,897,561 km (0.096 R)
• M7: 3,500,740 km (0.068 R)
• M8: 3,818,635 km (0.044 R)
• M9: 4,155,829 km (0.113 R)
• M10: 4,543,437 km (0.058 R)
• M11: 6,613,871 km (0.1 R)
• M12: 7,059,823 km (0.073 R)
• M13: 7,966,835 km (0.05 R)
• M14: 9,802,101 km (0.1 R)
• M15: 12,746,935 km (0.092 R)
• M16: 13,120,631 km (0.086 R)
• M17: 13,437,778 km (0.109 R)
• M18: 13,695,087 km (0.034 R)
• M19: 16,306,916 km (0.105 R)
• M20: 17,196,275 km (0.078 R)
• M21: 20,225,782 km (0.12 R)
• M22: 21,777,860 km (0.102 R)
• M23: 25,312,109 km (0.119 R)
• M24: 28,148,784 km (0.104 R)
• M25: 29,211,228 km (0.114 R)
• M26: 30,854,561 km (0.079 R)
• M27: 36,153,317 km (0.12 R)
• M28: 39,739,328 km (0.098 R)
• M29: 42,303,286 km (0.107 R)
• M30: 45,842,173 km (0.027 R)
• M31: 49,267,964 km (0.111 R)
• M32: 50,188,889 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.3

Radius: 5.2

Gravity: 22.46 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.33 AU - 10.65 AU

Year: 18606 Days

Day: 19.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,658,086 km

• M1: 64,925 km (0.109 R)
• M2: 604,824 km (0.04 R)
• M3: 846,874 km (0.12 R)
• M4: 1,075,609 km (0.083 R)
• M5: 1,887,925 km (0.105 R)
• M6: 3,366,102 km (0.087 R)
• M7: 3,532,903 km (0.106 R)
• M8: 3,823,422 km (0.062 R)
• M9: 6,533,986 km (0.098 R)
• M10: 7,198,201 km (0.086 R)
• M11: 8,102,819 km (0.085 R)
• M12: 12,683,506 km (0.075 R)
• M13: 13,089,066 km (0.085 R)
• M14: 21,754,522 km (0.042 R)
• M15: 26,148,661 km (0.103 R)
• M16: 30,134,696 km (0.112 R)
• M17: 37,049,409 km (0.118 R)
• M18: 38,436,181 km (0.103 R)
• M19: 41,608,254 km (0.091 R)
• M20: 52,335,618 km (0.038 R)
• M21: 62,798,194 km (0.066 R)
• M22: 63,188,645 km (0.029 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 12,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit