🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.2

Radius: 12.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.49 AU - 0.65 AU

Year: 287 Days

Day: 10.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,532,293 km

• M1: 159,920 km (0.078 R)
• M2: 578,046 km (0.115 R)
• M3: 992,881 km (0.083 R)
• M4: 1,432,549 km (0.088 R)
• M5: 2,150,170 km (0.077 R)
• M6: 3,077,228 km (0.118 R)
• M7: 3,791,708 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 13.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.11 AU - 1.53 AU

Year: 1011 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,532,293 km

• M1: 170,542 km (0.033 R)
• M2: 614,249 km (0.088 R)
• M3: 1,224,758 km (0.103 R)
• M4: 1,668,465 km (0.112 R)
• M5: 2,483,474 km (0.113 R)
• M6: 3,331,545 km (0.046 R)
• M7: 4,034,355 km (0.104 R)
• M8: 4,851,609 km (0.045 R)
• M9: 5,855,560 km (0.056 R)
• M10: 6,513,342 km (0.105 R)
• M11: 7,083,758 km (0.083 R)
• M12: 8,050,909 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.9

Radius: 12.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.13 AU - 2.53 AU

Year: 2372 Days

Day: 7.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,532,293 km

• M1: 159,172 km (0.058 R)
• M2: 567,724 km (0.086 R)
• M3: 1,278,613 km (0.09 R)
• M4: 1,757,177 km (0.106 R)
• M5: 2,210,309 km (0.072 R)
• M6: 2,652,370 km (0.078 R)
• M7: 3,104,305 km (0.115 R)
• M8: 3,517,046 km (0.068 R)
• M9: 3,966,737 km (0.038 R)
• M10: 4,604,622 km (0.084 R)
• M11: 5,454,787 km (0.101 R)
• M12: 6,060,359 km (0.118 R)
• M13: 7,228,120 km (0.026 R)
• M14: 8,640,324 km (0.106 R)
• M15: 9,253,975 km (0.119 R)
• M16: 14,023,604 km (0.057 R)
• M17: 16,620,024 km (0.084 R)
• M18: 17,196,574 km (0.094 R)
• M19: 18,612,668 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.7

Radius: 11.2

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.14 AU - 2.58 AU

Year: 2418 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,532,293 km

• M1: 139,276 km (0.071 R)
• M2: 533,466 km (0.066 R)
• M3: 895,493 km (0.12 R)
• M4: 1,263,055 km (0.05 R)
• M5: 1,678,339 km (0.097 R)
• M6: 2,855,823 km (0.108 R)
• M7: 4,302,584 km (0.071 R)
• M8: 4,949,446 km (0.078 R)
• M9: 5,973,443 km (0.088 R)
• M10: 7,878,871 km (0.118 R)
• M11: 8,607,113 km (0.083 R)
• M12: 9,271,627 km (0.097 R)
• M13: 10,121,493 km (0.111 R)
• M14: 11,430,624 km (0.039 R)
• M15: 18,714,394 km (0.107 R)
• M16: 20,130,488 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.8

Radius: 11

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.77 AU - 3.81 AU

Year: 3979 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,532,293 km

• M1: 141,520 km (0.077 R)
• M2: 511,026 km (0.103 R)
• M3: 861,534 km (0.098 R)
• M4: 1,294,321 km (0.097 R)
• M5: 2,561,265 km (0.057 R)
• M6: 3,007,665 km (0.058 R)
• M7: 4,867,765 km (0.107 R)
• M8: 5,687,412 km (0.084 R)
• M9: 7,599,871 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.1

Radius: 14.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.4 AU - 4.18 AU

Year: 4920 Days

Day: 10.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,532,293 km

• M1: 177,423 km (0.099 R)
• M2: 808,726 km (0.11 R)
• M3: 1,351,766 km (0.109 R)
• M4: 1,924,876 km (0.055 R)
• M5: 2,968,620 km (0.085 R)
• M6: 3,426,390 km (0.12 R)
• M7: 5,816,365 km (0.057 R)
• M8: 6,442,582 km (0.086 R)
• M9: 7,252,954 km (0.076 R)
• M10: 7,979,550 km (0.076 R)
• M11: 9,036,908 km (0.096 R)
• M12: 9,792,228 km (0.094 R)
• M13: 10,635,062 km (0.04 R)
• M14: 11,477,597 km (0.105 R)
• M15: 12,618,431 km (0.051 R)
• M16: 13,349,067 km (0.099 R)
• M17: 15,711,666 km (0.079 R)
• M18: 18,739,078 km (0.105 R)
• M19: 21,397,133 km (0.12 R)
• M20: 29,486,788 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.7

Radius: 4.5

Gravity: 27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.41 AU - 10.61 AU

Year: 19557 Days

Day: 22.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 57.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,532,293 km

• M1: 55,950 km (0.084 R)
• M2: 368,011 km (0.067 R)
• M3: 746,493 km (0.067 R)
• M4: 1,208,003 km (0.117 R)
• M5: 1,363,585 km (0.077 R)
• M6: 1,857,856 km (0.049 R)
• M7: 2,269,101 km (0.066 R)
• M8: 2,485,269 km (0.031 R)
• M9: 4,535,807 km (0.083 R)
• M10: 5,130,160 km (0.056 R)
• M11: 6,096,113 km (0.065 R)
• M12: 6,951,663 km (0.08 R)
• M13: 7,315,336 km (0.111 R)
• M14: 8,897,782 km (0.088 R)
• M15: 9,217,922 km (0.092 R)
• M16: 9,938,086 km (0.085 R)
• M17: 10,874,868 km (0.086 R)
• M18: 13,402,324 km (0.059 R)
• M19: 15,748,317 km (0.092 R)
• M20: 16,534,155 km (0.111 R)
• M21: 17,263,445 km (0.083 R)
• M22: 19,047,998 km (0.098 R)
• M23: 20,579,880 km (0.102 R)
• M24: 23,886,292 km (0.105 R)
• M25: 24,091,241 km (0.093 R)
• M26: 24,400,609 km (0.083 R)
• M27: 27,868,438 km (0.079 R)
• M28: 37,528,271 km (0.115 R)
• M29: 43,480,472 km (0.097 R)
• M30: 43,785,950 km (0.031 R)
• M31: 44,092,776 km (0.084 R)
• M32: 51,212,437 km (0.037 R)
• M33: 52,411,315 km (0.084 R)
• M34: 54,865,019 km (0.069 R)
• M35: 55,043,190 km (0.076 R)
• M36: 62,102,265 km (0.117 R)
• M37: 64,055,265 km (0.026 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: 278 - 17,778 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit