🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.5

Radius: 10.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.56 AU - 0.86 AU

Year: 392 Days

Day: 12.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,654,442 km

• M1: 135,536 km (0.03 R)
• M2: 638,334 km (0.027 R)
• M3: 1,206,357 km (0.079 R)
• M4: 1,608,626 km (0.114 R)
• M5: 1,972,448 km (0.116 R)
• M6: 2,486,317 km (0.06 R)
• M7: 3,037,435 km (0.102 R)
• M8: 3,478,450 km (0.115 R)
• M9: 4,347,165 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.7

Radius: 14.6

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.72 AU - 0.94 AU

Year: 496 Days

Day: 10.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,654,442 km

• M1: 182,061 km (0.104 R)
• M2: 643,720 km (0.095 R)
• M3: 1,182,870 km (0.101 R)
• M4: 1,965,566 km (0.104 R)
• M5: 3,529,762 km (0.06 R)
• M6: 3,986,933 km (0.075 R)
• M7: 4,833,058 km (0.069 R)
• M8: 5,518,217 km (0.094 R)
• M9: 6,193,501 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 14.3

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.03 AU - 1.11 AU

Year: 726 Days

Day: 7.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,654,442 km

• M1: 178,470 km (0.078 R)
• M2: 633,397 km (0.067 R)
• M3: 1,205,759 km (0.089 R)
• M4: 1,693,897 km (0.107 R)
• M5: 2,683,038 km (0.044 R)
• M6: 4,951,690 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.6

Radius: 10.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.67 AU - 2.35 AU

Year: 1869 Days

Day: 13.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,654,442 km

• M1: 126,261 km (0.085 R)
• M2: 503,546 km (0.079 R)
• M3: 831,016 km (0.078 R)
• M4: 1,196,633 km (0.085 R)
• M5: 1,719,628 km (0.071 R)
• M6: 2,421,391 km (0.109 R)
• M7: 3,149,634 km (0.095 R)
• M8: 3,503,732 km (0.112 R)
• M9: 4,813,910 km (0.085 R)
• M10: 5,617,550 km (0.07 R)
• M11: 7,196,705 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.5

Radius: 11.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2 AU - 2.7 AU

Year: 2363 Days

Day: 11.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,654,442 km

• M1: 146,756 km (0.109 R)
• M2: 594,203 km (0.1 R)
• M3: 1,111,063 km (0.108 R)
• M4: 1,554,621 km (0.118 R)
• M5: 1,970,204 km (0.097 R)
• M6: 2,516,685 km (0.028 R)
• M7: 2,951,566 km (0.063 R)
• M8: 3,384,053 km (0.115 R)
• M9: 4,504,242 km (0.103 R)
• M10: 5,173,543 km (0.104 R)
• M11: 6,354,469 km (0.057 R)
• M12: 6,738,935 km (0.085 R)
• M13: 8,435,226 km (0.089 R)
• M14: 8,833,006 km (0.108 R)
• M15: 10,028,742 km (0.074 R)
• M16: 11,329,496 km (0.04 R)
• M17: 14,639,199 km (0.106 R)
• M18: 15,855,729 km (0.058 R)
• M19: 16,981,004 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.6

Radius: 9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.42 AU - 3.26 AU

Year: 3140 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,654,442 km

• M1: 111,899 km (0.031 R)
• M2: 640,877 km (0.114 R)
• M3: 1,590,973 km (0.093 R)
• M4: 3,994,413 km (0.055 R)
• M5: 4,444,254 km (0.033 R)
• M6: 4,840,987 km (0.117 R)
• M7: 5,753,983 km (0.051 R)
• M8: 7,709,526 km (0.081 R)
• M9: 8,283,683 km (0.104 R)
• M10: 9,585,484 km (0.037 R)
• M11: 10,213,645 km (0.059 R)
• M12: 11,056,180 km (0.088 R)
• M13: 11,436,608 km (0.098 R)
• M14: 12,507,429 km (0.1 R)
• M15: 13,643,924 km (0.11 R)
• M16: 14,081,797 km (0.098 R)
• M17: 14,756,184 km (0.101 R)
• M18: 16,024,176 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.5

Radius: 8.2

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.51 AU - 4.59 AU

Year: 5347 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,654,442 km

• M1: 102,026 km (0.078 R)
• M2: 706,401 km (0.04 R)
• M3: 1,233,434 km (0.082 R)
• M4: 2,550,344 km (0.077 R)
• M5: 3,356,527 km (0.111 R)
• M6: 3,989,775 km (0.1 R)
• M7: 5,072,265 km (0.071 R)
• M8: 5,666,917 km (0.103 R)
• M9: 6,596,069 km (0.088 R)
• M10: 7,097,222 km (0.114 R)
• M11: 7,731,667 km (0.105 R)
• M12: 8,441,808 km (0.086 R)
• M13: 10,034,876 km (0.108 R)
• M14: 10,340,654 km (0.097 R)
• M15: 11,770,660 km (0.06 R)
• M16: 12,558,143 km (0.067 R)
• M17: 13,016,361 km (0.109 R)
• M18: 14,568,738 km (0.058 R)
• M19: 16,181,104 km (0.105 R)
• M20: 16,968,737 km (0.105 R)
• M21: 17,466,150 km (0.076 R)
• M22: 18,620,447 km (0.096 R)
• M23: 23,365,841 km (0.113 R)
• M24: 24,528,815 km (0.094 R)
• M25: 25,974,678 km (0.113 R)
• M26: 27,647,033 km (0.084 R)
• M27: 27,989,911 km (0.105 R)
• M28: 28,684,195 km (0.084 R)
• M29: 28,947,487 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.4

Radius: 9.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.14 AU - 4.56 AU

Year: 5952 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,654,442 km

• M1: 123,717 km (0.071 R)
• M2: 1,278,613 km (0.055 R)
• M3: 1,803,402 km (0.107 R)
• M4: 2,123,392 km (0.118 R)
• M5: 4,827,523 km (0.039 R)
• M6: 6,156,700 km (0.026 R)
• M7: 7,219,444 km (0.049 R)
• M8: 8,333,200 km (0.115 R)
• M9: 10,620,701 km (0.067 R)
• M10: 12,535,404 km (0.041 R)
• M11: 19,645,192 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.9

Radius: 5.1

Gravity: 35.06 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.9 AU - 7.66 AU

Year: 12886 Days

Day: 16.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,654,442 km

• M1: 64,177 km (0.12 R)
• M2: 242,049 km (0.106 R)
• M3: 445,652 km (0.076 R)
• M4: 1,026,391 km (0.089 R)
• M5: 1,447,359 km (0.112 R)
• M6: 2,536,731 km (0.05 R)
• M7: 2,783,867 km (0.117 R)
• M8: 3,486,079 km (0.115 R)
• M9: 4,299,742 km (0.1 R)
• M10: 4,489,432 km (0.106 R)
• M11: 5,127,317 km (0.106 R)
• M12: 7,720,896 km (0.07 R)
• M13: 8,386,457 km (0.088 R)
• M14: 10,328,387 km (0.075 R)
• M15: 11,017,584 km (0.059 R)
• M16: 11,675,815 km (0.112 R)
• M17: 12,423,505 km (0.056 R)
• M18: 13,202,610 km (0.044 R)
• M19: 15,959,250 km (0.063 R)
• M20: 16,801,038 km (0.088 R)
• M21: 20,024,423 km (0.09 R)
• M22: 20,554,448 km (0.073 R)
• M23: 22,200,174 km (0.097 R)
• M24: 23,151,617 km (0.097 R)
• M25: 24,229,021 km (0.077 R)
• M26: 25,959,419 km (0.097 R)
• M27: 30,236,871 km (0.059 R)
• M28: 33,582,179 km (0.026 R)
• M29: 34,079,293 km (0.079 R)
• M30: 35,600,254 km (0.096 R)
• M31: 36,639,062 km (0.115 R)
• M32: 41,850,304 km (0.068 R)
• M33: 46,758,759 km (0.106 R)
• M34: 48,003,862 km (0.092 R)
• M35: 48,793,141 km (0.118 R)
• M36: 51,377,145 km (0.04 R)
• M37: 54,733,672 km (0.04 R)
• M38: 57,876,873 km (0.078 R)
• M39: 60,954,101 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.1

Radius: 3.2

Gravity: 40.83 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.84 AU - 10.2 AU

Year: 17771 Days

Day: 20.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,654,442 km

• M1: 45,627 km (0.102 R)
• M2: 293,212 km (0.084 R)
• M3: 435,928 km (0.099 R)
• M4: 674,537 km (0.067 R)
• M5: 938,128 km (0.108 R)
• M6: 1,850,376 km (0.051 R)
• M7: 3,576,137 km (0.095 R)
• M8: 5,364,280 km (0.106 R)
• M9: 5,842,395 km (0.06 R)
• M10: 7,763,082 km (0.12 R)
• M11: 13,306,731 km (0.073 R)
• M12: 14,875,414 km (0.115 R)
• M13: 15,448,673 km (0.086 R)
• M14: 16,411,485 km (0.086 R)
• M15: 16,946,148 km (0.064 R)
• M16: 17,969,696 km (0.119 R)
• M17: 20,225,782 km (0.088 R)
• M18: 25,798,153 km (0.055 R)
• M19: 26,729,100 km (0.091 R)
• M20: 30,106,871 km (0.106 R)
• M21: 31,721,480 km (0.078 R)
• M22: 46,612,602 km (0.111 R)
• M23: 52,948,072 km (0.096 R)
• M24: 58,059,233 km (0.118 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: 529 - 10,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit